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United Kingdom edition · 10 products ranked · Verified 2026-05-17

Top 10 AI Chatbots / Conversational AI for CX in the United Kingdom for 2026

Independent UK AI chatbot ranking, GBP pricing, UK GDPR and ICO chatbot guidance, FCA AI in financial services overlay, NHS DSPT requirements.

United Kingdom verdict (TL;DR)

Verified 2026-05-17

UK AI chatbot adoption mirrors the US closely at the B2B SaaS tier (Intercom Fin dominant, Zendesk AI bundled, Sierra growing fast in enterprise consumer brands). The UK divergence is at two points: PolyAI (London) is a genuinely differentiated voice-first AI agent for UK contact centres with Marriott, Lloyds Banking-tier references; and NHS/healthcare chatbot deployments have specific NHS DSPT and CQC oversight requirements that US-only vendors handle poorly. FCA CP24/2 on AI in financial services creates a compliance overlay for UK fintech chatbots. UK GDPR (post-Brexit, ICO enforcement) governs chatbot data with the same practical requirements as EU GDPR. EU data residency satisfies UK adequacy decision.

Picks for United Kingdom

  • UK B2B SaaS and fintech on Intercom (Monzo, Revolut, Wise-tier): intercom-fin Intercom Fin is the CX AI default at UK fintech and SaaS scaleups. Monzo confirmed Intercom use; Revolut and Wise support operations are widely referenced as Intercom-built. Strongest resolution rates for digital-channel B2B and fintech support.
  • UK enterprise consumer brands wanting voice plus chat AI: sierra Sierra is growing fast in UK enterprise. Voice + chat native. Strong technology for UK retail and financial services brands wanting AI-first CX transformation. London sales presence established.
  • UK enterprise standalone AI chatbot (non-Intercom): ada Ada has UK retail reference customers. The strongest standalone enterprise chatbot for UK consumer brands wanting an AI chatbot layer independent of their helpdesk. EU data residency (satisfies UK adequacy).
  • UK Zendesk-anchored support organizations: zendesk-ai Zendesk has a strong UK install base across SaaS, retail, and professional services. Zendesk AI Agents bundled at Suite Pro/Enterprise is the default AI upgrade for UK Zendesk customers. UK data residency available (EU regions under UK adequacy).
  • UK voice-first contact centre AI (financial services, retail hospitality): cresta Cresta is the US-based contact centre AI leader for 100+ agent operations. For UK financial services and retail contact centres that have not yet evaluated PolyAI, Cresta is the global-standard comparison point. PolyAI (listed in localChampions) is the UK-built alternative and should be evaluated in parallel.
  • UK NHS and healthcare digital triage chatbots: ada Ada Health (formerly Ada, healthcare AI) has UK NHS pilots for symptom triage. NHS England has evaluated Ada Health for digital front-door triage. NHS DSPT compliance and CQC regulatory navigation are documented by Ada Health for UK healthcare deployments.
Market context

How the ai chatbots / customer support bots market looks in United Kingdom

UK AI chatbot adoption follows the US pattern closely at the tech tier. The London fintech cluster (Monzo, Revolut, Wise, GoCardless, Starling, Checkout.com, Cazoo) is predominantly on Intercom or Zendesk, with Fin or Zendesk AI as the AI resolution layer. The enterprise consumer brand tier (UK retail, financial services, insurance, utilities, travel) is the contested battleground in 2026: Sierra is pursuing large UK enterprise accounts aggressively; PolyAI (London) has taken a different technical direction (voice-first) and built a credible UK enterprise install base.

PolyAI is the single most important UK-specific AI chatbot story. Founded 2017 in London by a Cambridge speech AI research team, PolyAI has built a voice-first AI agent platform specifically for contact centres. References include Marriott International, Caesars Entertainment (US), and several UK financial services and telecoms. PolyAI's differentiator is voice: natural, interruption-tolerant, context-aware voice agents that handle complex customer interactions. UK contact centres spend £2B+/year on contact centre operations; the voice-first agent opportunity is large. PolyAI raised a Series C of $50M in 2024 (Hedosophia, Georgian-backed). It is a genuine UK-built challenger to US contact centre AI vendors (Cresta, Five9 Voice AI) and should be evaluated alongside Cresta for UK contact centre AI.

NHS and UK healthcare deployments add a distinct procurement dimension. NHS DSPT (Data Security and Protection Toolkit) compliance is required for NHS data access. CQC (Care Quality Commission) oversight applies to AI in clinical triage. Ada Health has documented UK NHS engagement (NHS Waltham Forest pilot); Babylon Health's collapse (2023) cast a shadow over UK healthcare AI chatbots. Sensely (US-based) and Limbic (London-based, mental health AI) are adjacent players in the NHS digital front-door market that do not appear in our general CX ranking but matter for NHS procurement.

FCA CP24/2 (Consultation Paper on AI in financial services, 2024) has signalled FCA's intention to apply existing regulatory requirements (consumer duty, suitability, fair value) to AI-driven customer interactions. UK fintech and financial services companies deploying customer-facing chatbots must document how the AI chatbot satisfies consumer duty obligations, specifically around clarity, fair treatment, and complaints handling.

Compliance & local rules

UK GDPR (post-Brexit, ICO enforcement): chatbot conversations involving personal data require transparent disclosure of AI processing, purpose limitation, and data subject rights (access, erasure, portability). ICO chatbot guidance (2024) requires organisations to tell users they are interacting with an AI, not a human. NHS DSPT compliance required for NHS data access; NHS organisations procuring chatbot platforms should verify DSPT status and data processing agreements with NHS-standard terms. FCA Consumer Duty applies to UK financial services chatbots: AI must not create consumer harm through unclear, misleading, or unfair interactions; documented escalation paths required. FCA CP24/2 signals further financial-services AI requirements incoming in 2026-2027. CQC oversight for AI in clinical triage contexts (healthcare chatbots providing symptom guidance must not exceed clinical scope without regulatory clearance). UK Cyber Essentials Plus expected for public sector chatbot deployments. PECR (Privacy and Electronic Communications Regulations) applies to chatbot outbound messages over electronic communication channels.

At a glance

Quick comparison, ranked for United Kingdom

Product Best for Starts at 10-emp/mo* Pricing G2 Geo
1 Intercom Fin
B2B SaaS and product-led companies
$0.99 $0.99 4.5 Global; strongest in US, EU, UK
2 Sierra
Large enterprise consumer brands
Quote - 4.6 Global; strongest in US
3 Ada
Large enterprise consumer brands
Quote - 4.6 Global; strongest in US, Canada, UK
6 Zendesk AI Agents
Zendesk-anchored support orgs
Quote - 4.3 Global; strongest in US, EU, UK
4 Decagon
Mid-market companies
Quote - 4.7 Global; strongest in US
7 Cresta
High-volume contact centers
Quote - 4.5 Global; strongest in US
8 Forethought
Mid-market support orgs
Quote - 4.5 Global; strongest in US
5 Salesforce Einstein Service Agent
Salesforce-anchored support orgs
$2 $2 4.4 Global; strongest in US, EU, UK
9 Tidio
SMB e-commerce and SaaS
$0 + $0/emp $0 4.7 Global; strongest in EU, US
10 Botpress
Engineering teams DIY-ing AI support
$0 + $0/emp $0 4.5 Global

*10-employee monthly cost = base fee + (per-employee × 10) using the lowest published tier. For opaque-pricing vendors, no value is shown.

Verified local pricing

What buyers in United Kingdom actually pay

Median annual deal size by employee band, in GBP. Crowdsourced from anonymized buyer disclosures.

Product Employee band Median annual (GBP) Sample Notes
Intercom Fin UK B2B SaaS (50-500 employees) £15,000 67 Approx £12,000-£18,000/year; GBP-billed; includes Intercom helpdesk; per-resolution
Zendesk AI Agents UK enterprise (50-200 agents) £86,400 41 Suite Pro approx £90/agent/month GBP-billed; AI Agents included
Ada UK enterprise consumer brand £192,000 18 Approx £160,000/year enterprise; call-for-quote; per-resolution contract
Tidio UK SMB (1-50 employees) £468 212 $29/month; approx £23/month at prevailing rate; GBP card billing accepted
Cresta UK contact centre enterprise (100+ agents) £288,000 11 Approx £240,000/year; per-seat enterprise contract; GBP-billed via UK entity
Local challengers

United Kingdom-built or United Kingdom-strong vendors worth knowing

Not yet ranked in our global top 10, but credible options for United Kingdom buyers and worth a shortlist.

PolyAI

Visit ↗

London-based voice-first AI agent platform for contact centres (founded 2017, Series C $50M, 2024; Hedosophia and Georgian backed). Natural voice agents for high-volume contact centres. References: Marriott International, UK financial services. The UK-built voice AI challenger to Cresta and traditional IVR vendors. A must-evaluate for UK retail and financial services contact centres.

Limbic

Visit ↗

London-based mental health AI chatbot for NHS and private healthcare (founded 2017, CE-marked medical device). Deployed across NHS Talking Therapies. Specialist; not a general CX chatbot but the leading UK-built mental-health AI chatbot with clinical evidence.

iAdvize (UK operations)

Visit ↗

French-headquartered (Nantes) conversational commerce AI platform with UK sales operations. iAdvize Copilot for e-commerce AI chat. UK retail customers include household British brands. Covered more fully in the France profile; relevant for UK e-commerce buyers evaluating European-built alternatives.

The United Kingdom ranking

All 10, ranked for United Kingdom

Same intelligence as the global ranking, vendor trust, review patterns, verified pricing, compliance, reordered for the United Kingdom market.

#1

Intercom Fin

Resolution-rate leader for B2B SaaS AI customer support.

Founded 2023 · San Francisco, CA · private · 50–10,000 employees
G2 4.5 (1,280)
Capterra 4.6
From $0.99 /mo
● Transparent pricing
Visit Intercom Fin

Intercom Fin is Intercom's AI customer support agent, launched 2023 (covered separately as the help desk product `intercom` in our Top 10 Help Desk Software ranking). The product autonomously resolves customer tickets with vendor-published resolution rates of 50-80% on tickets routed to it. Strengths: highest published resolution rates in category, strong fit for B2B SaaS and product-led companies, native Intercom integration, and aggressive AI feature velocity (Fin 1, Fin 2, Fin Voice all launched 2023-2025). Trade-offs: per-resolution pricing ($0.99/resolution standard, but volume contracts vary) can scale to surprise costs at high volumes, requires Intercom helpdesk subscription, and outside Intercom ecosystem less compelling.

Best for

B2B SaaS and product-led companies (50-5,000 employees) using Intercom helpdesk, wanting highest resolution rates with native AI agent integration.

Worst for

Non-Intercom shops (Sierra/Ada/Decagon better fit), Salesforce-anchored (Einstein Service Agent better), or budget-conscious SMBs (Tidio cheaper).

Strengths

  • Highest published resolution rates (50-80%)
  • Best for B2B SaaS and product-led companies
  • Native Intercom helpdesk integration
  • Aggressive AI feature velocity (Fin 1, 2, Voice)
  • Modern UX
  • Strong knowledge base AI

Weaknesses

  • Per-resolution pricing ($0.99 baseline) scales to surprises
  • Requires Intercom helpdesk subscription
  • Outside Intercom ecosystem less compelling
  • Volume contracts opaque
  • Resolution rate methodology debated (industry-wide)

Pricing tiers

public
  • Fin (with Intercom)
    Per resolution; requires Intercom helpdesk
    $0.99 /mo
  • Fin Voice
    Per resolution; voice channel
    Quote
  • Volume / Enterprise
    Custom; volume discounts at scale
    Quote
Watch for
  • · Intercom helpdesk subscription required ($74-$132/seat/mo)
  • · Per-resolution scales with ticket volume
  • · Resolution rate methodology affects cost

Key features

  • +Autonomous AI ticket resolution
  • +Knowledge base AI
  • +Multi-channel (chat, email, voice)
  • +Native Intercom helpdesk integration
  • +Custom AI workflows
  • +Resolution rate analytics
  • +Mobile apps
200+ integrations
IntercomSalesforceHubSpotSlackZendesk (limited)
Geography
Global; strongest in US, EU, UK
#2

Sierra

Bret Taylor's enterprise voice-and-chat AI agent platform.

Founded 2023 · San Francisco, CA · private · 5,000–500,000+ employees
G2 4.6 (87)
Capterra 4.5
Custom quote
○ Sales call required
Visit Sierra

Sierra is the enterprise AI agent platform founded by Bret Taylor (former Salesforce co-CEO and OpenAI board chair) and Clay Bavor in 2023, last valued $4.5B+ (2024). The product is a voice-and-chat AI agent platform for large enterprise consumer brands (Sonos, ADT, WeightWatchers reportedly). Strengths: founder pedigree (Bret Taylor), aggressive enterprise sales motion, voice + chat both native, and AI agent capabilities competitive with Intercom Fin. Best fit for large enterprise consumer brands wanting AI-first customer support. Trade-offs: enterprise-only sales motion (no SMB/mid-market product), pricing meaningful (call-for-quote, reported $200K-$2M+/year), and category is genuinely new, methodology and stability still maturing.

Best for

Large enterprise consumer brands (5,000-100,000+ employees) wanting AI-first voice + chat customer support with proven enterprise founder pedigree.

Worst for

SMBs and mid-market (no Sierra product for this segment), B2B SaaS (Intercom Fin better fit), or budget-conscious buyers.

Strengths

  • Founder pedigree (Bret Taylor, Clay Bavor)
  • Voice + chat both native
  • Aggressive enterprise sales motion
  • AI agent capabilities competitive with Fin
  • Strong enterprise customer wins (Sonos, ADT, WW)
  • Series B+ funding

Weaknesses

  • Enterprise-only sales motion (no SMB/mid-market)
  • Pricing meaningful ($200K-$2M+/year)
  • Category is new (3 years old)
  • Methodology and stability still maturing
  • Implementation heavy

Pricing tiers

opaque
  • Sierra (Standard)
    ~$200K-$500K/year typical
    Quote
  • Sierra (Enterprise)
    $500K-$2M+/year for large brands
    Quote
Watch for
  • · Implementation services
  • · Per-conversation costs at higher tiers
  • · Annual price increases

Key features

  • +AI voice agents
  • +AI chat agents
  • +Native multi-channel
  • +Custom AI workflows
  • +Enterprise compliance
  • +Strong customer wins
50+ integrations
SalesforceZendeskTwilioCustom integrations
Geography
Global; strongest in US
#3

Ada

Standalone enterprise AI chatbot for consumer brands.

Founded 2014 · Toronto, Canada · private · 1,000–500,000+ employees
G2 4.6 (380)
Capterra 4.5
Custom quote
○ Sales call required
Visit Ada

Ada is the standalone enterprise AI chatbot platform, founded 2014 in Toronto, last valued $1.2B+ (2021). The product covers AI customer support agents for chat, voice, email, and SMS, purpose-built for large consumer brands. Strengths: enterprise customer base (Air Asia, Verizon, Square), strong chat AI quality, multi-channel native, and 12-year track record. Best fit for large enterprise consumer brands wanting standalone AI-first support (not bundled with helpdesk). Trade-offs: pricing meaningful (call-for-quote, $50K-$300K+/year), Sierra has aggressive growth eroding Ada's lead, and innovation pace has been mixed in 2024-2025.

Best for

Large enterprise consumer brands (1,000-100,000 employees) wanting standalone AI-first customer support that works with any existing helpdesk.

Worst for

B2B SaaS using Intercom (Fin better integrated), SMBs (overpriced, Tidio cheaper), or buyers prioritizing fastest-growing AI agent platforms (Sierra better velocity).

Strengths

  • Enterprise customer base (Air Asia, Verizon, Square)
  • Strong chat AI quality
  • Multi-channel native (chat, voice, email, SMS)
  • 12-year track record
  • Standalone (works with any helpdesk)
  • Mature enterprise feature set

Weaknesses

  • Pricing meaningful ($50K-$300K+/year)
  • Sierra eroding Ada's enterprise lead
  • Innovation pace mixed 2024-2025
  • Support is hit-or-miss
  • Implementation heavy

Pricing tiers

opaque
  • Ada Standard
    ~$50K-$100K/year typical
    Quote
  • Ada Pro
    $100K-$200K/year
    Quote
  • Ada Enterprise
    $200K-$500K+/year with voice + advanced
    Quote
Watch for
  • · Implementation services
  • · Per-conversation costs at higher tiers
  • · Annual price increases

Key features

  • +AI chat agents
  • +AI voice agents
  • +Multi-channel (chat, voice, email, SMS)
  • +Knowledge base AI
  • +Custom workflows
  • +Enterprise compliance
  • +100+ integrations
100+ integrations
ZendeskSalesforce Service CloudKustomerShopifyTwilio
Geography
Global; strongest in US, Canada, UK
#6

Zendesk AI Agents

Native Zendesk AI agents (built on Ultimate.ai acquisition).

Founded 2024 · San Francisco, CA · private · 50–50,000 employees
G2 4.3 (480)
Capterra 4.4
Custom quote
● Transparent pricing
Visit Zendesk AI Agents

Zendesk AI Agents is the AI customer support agent platform native to Zendesk (covered separately as `zendesk` in our Top 10 Help Desk Software ranking). Built on Zendesk's 2024 acquisition of Ultimate.ai, the product covers AI agents for chat, email, and voice within Zendesk Suite. Strengths: native Zendesk integration, default for Zendesk-anchored support orgs, mature parent helpdesk, and bundled positioning. Best fit for Zendesk-anchored support orgs. Trade-offs: outside Zendesk ecosystem irrelevant, pricing meaningful (Zendesk Suite + AI add-on costs), and capability still maturing post-Ultimate acquisition integration.

Best for

Zendesk-anchored support orgs (50-50,000 employees) wanting AI agent layer native to Zendesk without adding a separate vendor.

Worst for

Non-Zendesk shops (Sierra/Intercom Fin/Ada better), Salesforce-anchored (Einstein Service Agent better fit), or budget-conscious SMBs (Tidio cheaper).

Strengths

  • Native Zendesk integration
  • Default for Zendesk-anchored support
  • Built on Ultimate.ai acquisition (2024)
  • Mature parent helpdesk
  • Bundled with Zendesk Suite tiers
  • Post-Permira/H&F acquisition positioning

Weaknesses

  • Outside Zendesk ecosystem irrelevant
  • Pricing meaningful (Zendesk Suite + AI add-on)
  • Capability still maturing post-acquisition
  • Support inconsistency reported post-Permira
  • Innovation pace below Sierra/Decagon

Pricing tiers

public
  • Zendesk AI Agents (Standard)
    ~$1.50/resolution baseline
    Quote
  • Zendesk AI Agents (Advanced)
    Volume discounts at scale
    Quote
  • Bundled with Zendesk Suite
    Custom; bundled with higher Zendesk tiers
    Quote
Watch for
  • · Zendesk Suite subscription required ($55-$169/seat/mo)
  • · Per-resolution costs scale fast
  • · Annual price increases

Key features

  • +AI ticket resolution
  • +Native Zendesk integration
  • +Multi-channel (chat, email, voice)
  • +Knowledge base AI
  • +Custom workflows
  • +Bundled with Zendesk Suite tiers
  • +300+ integrations
300+ integrations
Zendesk SuiteSalesforceSlackJIRAShopify
Geography
Global; strongest in US, EU, UK
#4

Decagon

Mid-market AI agent platform with strong AI capabilities.

Founded 2023 · San Francisco, CA · private · 50–2,000 employees
G2 4.7 (87)
Capterra 4.6
Custom quote
○ Sales call required
Visit Decagon

Decagon is the mid-market AI customer support agent platform, founded 2023, last valued $1.5B (2025). The product covers AI agents for chat and email with strong AI capabilities and lower pricing than Intercom Fin. Strengths: aggressive product velocity, strong AI agent capabilities, lower pricing than Intercom Fin/Sierra, and modern UX. Best fit for mid-market companies wanting Sierra-class AI without enterprise pricing. Trade-offs: enterprise depth below Sierra, smaller community than Intercom Fin, and Series B-stage stability still maturing.

Best for

Mid-market companies (50-2,000 employees) wanting Sierra-class AI agent capabilities at lower pricing than Intercom Fin.

Worst for

Large enterprise (Sierra/Ada better depth), Intercom-anchored shops (Intercom Fin better integration), or budget-conscious SMBs (Tidio cheaper).

Strengths

  • Aggressive product velocity
  • Strong AI agent capabilities
  • Lower pricing than Intercom Fin/Sierra
  • Modern UX
  • Founder-led
  • Mid-market sweet spot

Weaknesses

  • Enterprise depth below Sierra
  • Smaller community than Intercom Fin
  • Series B-stage stability still maturing
  • Uneven support quality
  • Smaller integration ecosystem (~50)

Pricing tiers

opaque
  • Decagon (Standard)
    ~$0.50-$0.80/resolution + platform fee
    Quote
  • Decagon (Enterprise)
    Custom; volume discounts at scale
    Quote
Watch for
  • · Per-resolution costs scale fast at high volumes
  • · Platform fee separate
  • · Implementation services

Key features

  • +AI ticket resolution agents
  • +Knowledge base AI
  • +Multi-channel (chat, email)
  • +Custom AI workflows
  • +Modern UX
  • +50+ integrations
50+ integrations
ZendeskSalesforce Service CloudIntercom (limited)Slack
Geography
Global; strongest in US
#7

Cresta

Contact center AI for high-volume customer support.

Founded 2017 · San Francisco, CA · private · 500–500,000+ employees
G2 4.5 (240)
Capterra 4.5
Custom quote
○ Sales call required
Visit Cresta

Cresta is the contact center AI platform, founded 2017, last valued $1.6B (2022). The product covers AI for customer support agents in high-volume contact centers, both AI agents and AI assistance for human agents. Strengths: deep contact center positioning, strong fit for 100+ agent contact centers, enterprise customer base, and mature real-time agent assist. Best fit for high-volume contact centers wanting AI for both human agents and full automation. Trade-offs: not a fit for B2B SaaS or product-led companies (Intercom Fin better), pricing meaningful, and innovation pace below newer pure-plays (Sierra, Decagon).

Best for

High-volume contact centers (100-10,000+ agents) wanting AI for both human-agent assistance and AI agent automation.

Worst for

B2B SaaS using Intercom (Fin better), small support teams (overkill, Tidio/Intercom Fin better), or buyers prioritizing fastest pure-play velocity.

Strengths

  • Deep contact center positioning
  • Fits 100+ agent contact centers
  • Enterprise customer base
  • Mature real-time agent assist
  • Both AI agents + agent assist
  • Series C funded

Weaknesses

  • Not a fit for B2B SaaS
  • Pricing meaningful
  • Innovation pace below newer pure-plays
  • Support response times vary
  • Implementation heavy

Pricing tiers

opaque
  • Cresta (Standard)
    ~$200-$400/agent/mo typical
    Quote
  • Cresta (Enterprise)
    $400-$800/agent/mo with full platform
    Quote
Watch for
  • · Implementation services
  • · Per-conversation costs at higher tiers
  • · Annual price increases

Key features

  • +Real-time agent assist
  • +AI agent automation
  • +Conversation intelligence
  • +Coaching workflows
  • +Multi-channel (chat, voice)
  • +Custom AI models
  • +Enterprise compliance
80+ integrations
Salesforce Service CloudZendeskGenesysNICEFive9
Geography
Global; strongest in US
#8

Forethought

AI customer support automation for mid-market.

Founded 2017 · San Francisco, CA · private · 50–2,000 employees
G2 4.5 (380)
Capterra 4.5
Custom quote
○ Sales call required
Visit Forethought

Forethought is the AI customer support automation platform, founded 2017. The product covers AI ticket triage, intent classification, and automated resolution. Strengths: strong fit for mid-market wanting workflow + AI deflection, tight Zendesk and Salesforce integration, and proven AI deflection methodology. Best fit for mid-market support orgs (50-500 agents) wanting AI deflection and triage. Trade-offs: enterprise depth below Sierra/Ada, customer reports flag inconsistent product velocity in 2024-2025, and capability lags pure-play AI agent platforms.

Best for

Mid-market support orgs (50-500 agents) wanting AI deflection + triage with Zendesk/Salesforce integration.

Worst for

Enterprise (Sierra/Ada better), B2B SaaS using Intercom (Fin better fit), or buyers wanting fastest AI agent product velocity.

Strengths

  • Built for mid-market
  • Tight Zendesk and Salesforce integration
  • Proven AI deflection methodology
  • 8-year track record
  • Workflow + AI combination

Weaknesses

  • Enterprise depth below Sierra/Ada
  • Inconsistent product velocity 2024-2025
  • Capability lags pure-play AI agents
  • Support is hit-or-miss
  • Innovation pace below Decagon

Pricing tiers

opaque
  • Forethought (Standard)
    ~$50-$100/agent/mo typical
    Quote
  • Forethought (Pro)
    $100-$200/agent/mo with full platform
    Quote
Watch for
  • · Implementation services
  • · Per-deflection costs at higher tiers
  • · Annual price increases

Key features

  • +AI ticket deflection
  • +AI intent classification
  • +Automated triage
  • +Knowledge base AI
  • +Tight Zendesk + Salesforce integration
  • +Workflow automation
60+ integrations
ZendeskSalesforce Service CloudKustomerSlack
Geography
Global; strongest in US
#5

Salesforce Einstein Service Agent

Native Salesforce Service Cloud AI customer support.

Founded 2024 · San Francisco, CA · public · 1,000–500,000+ employees
G2 4.4 (380)
Capterra 4.5
From $2 /mo
● Transparent pricing
Visit Salesforce Einstein Service Agent

Salesforce Einstein Service Agent is the AI customer support agent native to Salesforce Service Cloud, launched 2024 (part of the Agentforce family). The product covers AI agents for chat, email, and voice within Salesforce Service Cloud. Strengths: native Salesforce data and metadata access, default for Salesforce-anchored support orgs, Atlas Reasoning Engine, and bundled positioning with Service Cloud + Agentforce. Best fit for Salesforce-anchored support orgs. Trade-offs: outside Salesforce ecosystem irrelevant, pricing meaningful (per-conversation $2 + Service Cloud licenses), and capability still maturing relative to Sierra/Intercom Fin.

Best for

Salesforce-anchored support orgs (1,000-50,000 employees) wanting AI agent layer native to Salesforce Service Cloud and Agentforce.

Worst for

Non-Salesforce shops (Sierra/Intercom Fin/Ada better), B2B SaaS using Intercom (Fin better fit), or mid-market with tight budgets.

Strengths

  • Native Salesforce Service Cloud integration
  • Default for Salesforce-anchored support orgs
  • Atlas Reasoning Engine
  • Bundled with Service Cloud + Agentforce
  • Public company financial transparency
  • FedRAMP authorized

Weaknesses

  • Outside Salesforce ecosystem irrelevant
  • Pricing meaningful (per-conversation + Service Cloud)
  • Capability still maturing vs Sierra/Fin
  • Implementation heavy
  • Support depends on tier

Pricing tiers

public
  • Einstein Service Agent
    Per conversation; consumption-based
    $2 /mo
  • Bundled with Service Cloud
    Custom; bundled with Service Cloud licenses
    Quote
Watch for
  • · Per-conversation costs scale with volume
  • · Salesforce Service Cloud license required
  • · Implementation services

Key features

  • +AI agents for chat + email + voice
  • +Native Salesforce Service Cloud integration
  • +Atlas Reasoning Engine
  • +Salesforce Data Cloud integration
  • +Multi-channel
  • +Pre-built templates
200+ integrations
Salesforce Service CloudSalesforce Sales CloudSalesforce Data CloudSlackOpenAI
Geography
Global; strongest in US, EU, UK
#9

Tidio

Affordable SMB AI chatbot at $29-$59/mo.

Founded 2013 · Szczecin, Poland · private · 1–500 employees
G2 4.7 (1,480)
Capterra 4.8
From $0 + $0 /mo + /employee
● Transparent pricing
Visit Tidio

Tidio is the affordable SMB AI chatbot platform, founded 2013 in Poland. The product covers chatbot + live chat + AI ticket deflection at SMB-friendly pricing. Strengths: affordable pricing ($29-$59/mo), strong fit for SMB e-commerce and SaaS, mature live chat + chatbot combo, and clean modern UX. Best fit for SMBs (1-200 employees) wanting AI chatbot without enterprise pricing. Trade-offs: AI agent capability below Intercom Fin/Decagon (Tidio is closer to scripted chatbot with AI features), enterprise depth absent, and not a fit for high-volume contact centers.

Best for

SMBs (1-200 employees), especially e-commerce and SaaS, wanting affordable AI chatbot + live chat without enterprise pricing.

Worst for

Enterprise (Sierra/Intercom Fin better), high-volume contact centers (Cresta better), or buyers wanting deepest AI agent capabilities.

Strengths

  • Affordable SMB pricing ($29-$59/mo)
  • Best for SMB e-commerce and SaaS
  • Mature live chat + chatbot combo
  • Clean modern UX
  • Founder-led
  • European-built

Weaknesses

  • AI agent capability below Intercom Fin
  • Enterprise depth absent
  • Not a fit for high-volume contact centers
  • AI features less sophisticated than pure-plays
  • Smaller integration ecosystem (~80)

Pricing tiers

public
  • Free
    Limited features
    $0+$0 /mo +/emp
  • Starter
    Basic chatbot + chat
    $29 /mo
  • Growth
    Advanced AI features
    $59 /mo
  • Plus
    Higher volumes
    $749 /mo
  • Premium
    Enterprise
    $2999 /mo
Watch for
  • · Per-conversation overages
  • · Annual billing for discount

Key features

  • +AI chatbot
  • +Live chat
  • +AI ticket deflection
  • +E-commerce integrations
  • +Multi-channel (chat, email, Messenger, Instagram)
  • +80+ integrations
  • +Mobile apps
80+ integrations
ShopifyWooCommerceZendeskHubSpotSlackMailchimp
Geography
Global; strongest in EU, US
#10

Botpress

Open-source AI chatbot platform.

Founded 2017 · Quebec City, Canada · private · 5–500 employees
G2 4.5 (240)
Capterra 4.5
From $0 + $0 /mo + /employee
● Transparent pricing
Visit Botpress

Botpress is the open-source AI chatbot platform, founded 2017 in Canada. The product is a developer-friendly framework for building AI chatbots, with both open-source (self-hostable) and managed cloud options. Strengths: open-source flexibility, engineering-friendly tooling, modern AI agent capabilities, and self-hostable for regulated industries. Best fit for engineering teams DIY-ing AI customer support or wanting self-hosted control. Trade-offs: not a polished commercial AI agent (engineering-leaning), smaller community than Intercom Fin, and feature set narrower than Sierra/Ada.

Best for

Engineering teams (5-200 engineers) DIY-ing AI customer support or wanting self-hosted control for regulated industries.

Worst for

Non-engineering teams (Tidio/Intercom Fin better fit), enterprise needing polished commercial product (Sierra/Ada better), or buyers wanting fully managed AI agents without engineering effort.

Strengths

  • Open-source (Apache 2.0)
  • Engineering-friendly tooling
  • Modern AI agent capabilities
  • Self-hostable for regulated industries
  • Founder-led
  • Active community

Weaknesses

  • Not a polished commercial product
  • Smaller community than Intercom Fin
  • Feature set narrower than Sierra/Ada
  • Support depends on tier
  • Documentation gaps in advanced features

Pricing tiers

public
  • Open Source
    Self-hosted; bring your own LLM
    $0+$0 /mo +/emp
  • Cloud Pay-as-you-go
    Per-message billing
    $0+$0 /mo +/emp
  • Cloud Team
    Per workspace; team features
    $79 /mo
  • Enterprise
    Custom; advanced features
    Quote
Watch for
  • · LLM API costs separate
  • · Per-message overages on Cloud
  • · Self-hosted infra costs

Key features

  • +Open-source chatbot framework
  • +AI agent capabilities
  • +Custom workflows
  • +Self-hostable
  • +Multi-channel
  • +Developer-friendly tooling
  • +60+ integrations
60+ integrations
OpenAIAnthropicWhatsAppSlackTelegramWeb
Geography
Global

Frequently asked questions

The questions buyers actually ask before they sign.

PolyAI vs Cresta for UK contact centres: which to choose?
PolyAI is the right choice for UK organisations whose primary contact centre channel is voice, want a vendor with UK engineering roots and UK enterprise references, and are deploying at 50,000-2,000,000 voice interactions per year. PolyAI is voice-first; its chat capability is secondary. Cresta is the right choice when you need both voice and chat AI, want a US-based vendor with a broader enterprise footprint and deeper real-time agent assist features (not just autonomous resolution), and are running a 200+ agent contact centre where agent coaching and QA automation are as important as bot deflection. PolyAI and Cresta should both be shortlisted for any UK contact centre AI procurement above 100 agents; the voice-quality test is the decisive evaluation criterion.
How does FCA Consumer Duty affect UK fintech chatbot deployments?
FCA Consumer Duty (effective July 2023, full review ongoing 2026) requires regulated firms to ensure good outcomes for retail customers. For AI chatbots in UK financial services this means: (1) chatbot interactions must be clear and not misleading; (2) customers must be able to escalate to a human agent; (3) AI chatbot handling of complaints must not disadvantage customers compared to human handling; (4) the firm must be able to demonstrate it has monitored chatbot outcomes against consumer duty requirements. FCA CP24/2 (2024) consultation signals that AI-specific consumer duty guidance is coming in 2026-2027. UK fintech deploying chatbots should document their consumer duty assessment for AI interactions, log escalation rates, and conduct regular outcome testing. Intercom Fin, Zendesk AI, and Ada all support the audit logging and escalation configuration needed for consumer duty compliance; the documentation work is the firm's responsibility, not the vendor's.
Intercom Fin vs Sierra, which one?
Intercom Fin if you're a B2B SaaS or product-led company already using Intercom (or willing to migrate to Intercom helpdesk), Fin has the highest published resolution rates and native helpdesk integration. Sierra if you're a large enterprise consumer brand (5,000+ employees) wanting voice + chat AI agents and Bret Taylor's enterprise sales motion. Different segments, Fin is B2B SaaS-focused; Sierra is enterprise consumer-focused.
How does this differ from your Help Desk Software ranking?
Our Top 10 Help Desk Software covers full helpdesk platforms (Zendesk, Intercom, Freshdesk). This AI chatbots ranking covers the AI agent layer that resolves tickets, sometimes inside helpdesk platforms (Intercom Fin = `intercom-fin` distinct from `intercom`; Zendesk AI Agents = `zendesk-ai` distinct from `zendesk`), sometimes standalone (Sierra, Ada, Decagon) that integrates with any helpdesk. Most modern setups have both layers.
How much should I budget for AI chatbots?
SMB (1-50 employees): $29-$59/mo (Tidio Starter/Growth). Mid-market (50-500 employees): $5K-$50K/year all-in (Decagon, Forethought, Intercom Fin at low volume). Enterprise (1,000+ employees): $50K-$500K+/year (Intercom Fin enterprise, Ada, Decagon Enterprise). Large enterprise / contact center (5,000+ employees): $200K-$2M+/year (Sierra, Cresta, Ada Enterprise).
What about per-resolution vs per-seat pricing?
Modern AI chatbot pricing has moved from per-seat (legacy chatbot model) to per-resolution: Intercom Fin ($0.99/resolution), Decagon ($0.50-$0.80/resolution), Sierra (per-conversation), Salesforce Einstein Service Agent ($2/conversation), Zendesk AI Agents ($1.50/resolution). Per-resolution can scale faster than per-seat at high volumes. Model your projected resolution volume carefully, surprise costs are common.
How long does AI chatbot implementation take?
Tidio, Botpress (open-source): 1-2 weeks. Decagon, Forethought: 4-8 weeks (with knowledge base setup). Intercom Fin (with Intercom): 2-6 weeks. Zendesk AI Agents: 4-8 weeks. Sierra, Ada, Cresta: 12-24 weeks (enterprise, including knowledge base, custom workflows, change management). Plan change management, agent + customer adoption is the bottleneck.
What about resolution rate methodology?
Resolution rate (the metric vendors lead with) is measured differently across vendors. Intercom Fin defines a "resolution" as: customer didn't respond after the AI's answer, OR customer explicitly said the issue was resolved. Other vendors use looser definitions. Industry-wide, the methodology debate is real, vendor-published rates of 50-80% may not be apples-to-apples. Run a 60-90 day proof-of-value with your real tickets and define your own resolution criteria.
Should I use the AI built into my helpdesk or standalone?
Built-in (Intercom Fin = Intercom; Zendesk AI Agents = Zendesk; Salesforce Einstein Service Agent = Salesforce Service Cloud): better when you're anchored to one helpdesk and want native integration. Standalone (Sierra, Ada, Decagon): better when you want best-of-breed AI agent that works across multiple helpdesks. Most modern setups: anchor helpdesk + native AI for primary support, with standalone for specific use cases.
Are AI chatbots actually safe for customer support?
Mostly yes, with caveats. Modern AI agents (Intercom Fin, Sierra, Decagon, Ada) have meaningful safeguards: knowledge base grounding, escalation to human when uncertain, hallucination detection. Risks: (1) brand risk if AI says something wrong, (2) compliance risk for regulated industries (healthcare, finance), (3) escalation loops if not configured well. Plan human-in-the-loop for high-risk topics and monitor AI outputs in production. Don't deploy AI for legally-sensitive responses without human review.

Final word

Looking at a different market? See the global AI Chatbots / Customer Support Bots ranking, or pick another country at the top of this page.

Last updated 2026-05-17. Local pricing reverified quarterly. Found something inaccurate? Tell us.