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58 tools

Sierra logo

Sierra

AI Support Agents ("AI Employees")

3.5

Bret Taylor and Clay Bavor's premium enterprise AI agent platform, valued at $15.8B in its May 2026 Series E — genuinely sophisticated architecture and real Fortune-50 traction, undercut by unusually thin public documentation of even basic CRM integrations for a company at this scale.

Not publicly disclosedTrending
Rasayel logo

Rasayel

WhatsApp & Social Messaging AI

4.0

A small, 27-person WhatsApp sales-and-support platform with a genuinely excellent Shopify integration — real order creation and refunds directly over WhatsApp — held back by weak reporting.

$30/user/mo (Start), though minimum seat counts may apply
Botpress logo

Botpress

AI Chatbots (Website)

4.3

The open-source-born, developer-first AI agent platform that raised $25M at a $120M valuation in 2025 — genuinely excellent reviews, offset by the category's most consistently reported steep learning curve.

$0 (Pay-as-you-go, 500 messages/mo, $5 monthly AI credit)Trending
Chatfuel logo

Chatfuel

AI Chatbots (Website)

3.1

A decade-old, Y Combinator-backed Messenger and Instagram chatbot builder with broad integration reach — and real, credible complaints about dismissive support and billing opacity.

~$39/mo (Fuely Super, ~150 contacts) or ~$34.49/mo (WhatsApp Business, 1,000 conversations)
Landbot logo

Landbot

AI Chatbots (Website)

4.1

A Barcelona no-code chatbot builder with a genuinely thoughtful hybrid AI architecture designed specifically against hallucination — undercut by slow, 'ping-pong' customer support.

€0 (Sandbox, 100 chats/mo) or €40/mo (Starter, paid)Trending
YourGPT logo

YourGPT

AI Chatbots (Website)

4.0

A genuinely broad, no-code AI agent platform from Delta4 Infotech with strong G2 sentiment (4.7/5) and deep automation depth — undercut by a confusing credit-metered pricing model and a real discrepancy between its own pricing page and its G2 listing.

$39/mo (Essential, annual billing, per vendor's own pricing page)
Voiceflow logo

Voiceflow

AI Chatbots (Website)

3.7

The Alexa-era conversational-design platform turned enterprise agentic-AI builder — genuinely best-in-class flow-building and API extensibility, undercut by opaque pricing, a real multi-language limitation, and inconsistent support.

Free trial available; Pro tier reportedly starts around $60/month per third-party sources (unverified)
MobileMonkey (now Customers.ai) logo

MobileMonkey (now Customers.ai)

AI Chatbots (Website)

1.8

A frozen-development, keyword-based chatbot builder whose founder has pivoted the company entirely into website-visitor identification — not recommendable as an active customer-support choice today.

$9.95/mo (Instagram-only tier)
Drift (being sunset — successor: 1mind) logo

Drift (being sunset — successor: 1mind)

AI Chatbots (Website)

2.0

A once-billion-dollar conversational marketing pioneer now being actively wound down by its third owner in five years, compounded by a severe, well-documented 2025 supply-chain security breach affecting 700+ organizations.

Not publicly disclosed
Ada logo

Ada

AI Support Agents ("AI Employees")

4.1

A Toronto-built, enterprise-grade 'Agentic Customer Experience' platform with genuinely excellent independent reviews (G2: 4.6/5, 173 reviews) and deep CRM/analytics depth — built for large enterprises with Salesforce or Zendesk, not SMB ecommerce storefronts.

Not publicly disclosedTrending
Ultimate.ai (acquired by Zendesk — now Zendesk AI Agents) logo

Ultimate.ai (acquired by Zendesk — now Zendesk AI Agents)

AI Support Agents ("AI Employees")

3.2

A well-regarded Helsinki/Berlin AI service-automation platform, cleanly acquired by Zendesk in 2024 and folded into Zendesk AI Agents — no longer purchasable as an independent product, and much of its historical documentation is hard to independently verify.

Not publicly disclosed (historical); now part of Zendesk AI Agents pricing
Cognigy (acquired by NICE — now NiCE Cognigy) logo

Cognigy (acquired by NICE — now NiCE Cognigy)

AI Support Agents ("AI Employees")

4.2

A Düsseldorf-built, voice-first enterprise conversational AI platform acquired by NICE for ~$955M in 2025 — genuinely excellent reviews, best-in-class API extensibility, and real payment-processing capability, built for large contact centers rather than SMB storefronts.

Not publicly disclosedTrending