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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Chatbotkit
✓ verifiedFreemium
Developer-focused platform to build and deploy AI agents across widgets, messaging apps, and SDKs, with security and observability.
59K visits/mo19K saves
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Build Chatbot
✓ verifiedFreemium
No-code builder for website AI chatbots trained on your own files, with live-agent handoff and mobile apps.
2.7K visits/mo
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a0.dev
✓ verifiedFreemium
AI builder that turns chat prompts into publishable native mobile apps with backend, payments and analytics; young, pricing not public.
85K visits/mo
Pricing
Free: $0 (3 bots, 50K tokens/mo)
Basic: $25/mo (5 bots, 1M tokens)
Pro: $65/mo (25 bots, 2M tokens)
No public pricing
No public pricing
No public pricing
Core features
- ✦Build agents from datasets, skillsets, integrations
- ✦Embeddable widgets and SDKs
- ✦Messaging channels (Slack, Discord, WhatsApp, Telegram)
- ✦OAuth and MCP integrations
- ✦Bring-your-own model support
- ✦Whitelabel and custom branding
- ✦Observability, security, governance
- ✦No-code custom chatbot builder
- ✦Train on your own files and documents
- ✦Personalized answers from private data
- ✦Live agent support and chat history
- ✦Mobile apps with notifications
- ✦Integrations (Slack, Zapier)
- ✦Suggested responses based on copied messages
- ✦AI coding agent that writes and edits apps
- ✦One-click publishing to App Store and Google Play
- ✦Backend via Convex or Supabase
- ✦Built-in APIs for AI inference and image generation
- ✦Integrated payments
- ✦Growth analytics
Use cases
- →Building custom AI agents for support or leads
- →Embedding AI widgets on websites and apps
- →Deploying agents across messaging platforms
- →Automate website customer support
- →Build an internal AI knowledge assistant
- →Answer visitor queries from your content
- →Capture and review customer questions
- →Assisting users in ongoing conversations by providing suggested replies.
- →Build a mobile app from a text description
- →Publish an app without manual coding
- →Monetize a self-built app
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