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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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ZEGOCLOUD
✓ verifiedFreemium
Real-time voice, video, chat, and conversational-AI SDKs/APIs for developers building interactive communication features into apps.
146K visits/mo9.7K saves
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DHTMLX Chatbot
✓ verifiedFree
Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.
92K visits/mo
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The New GitBook
✓ verifiedFreemium
Documentation platform for publishing accurate, AI-ready docs sites, with Git sync and an MCP server for AI tools.
653K visits/mo2.9K saves
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Eraser AI
✓ verifiedFreemium
AI co-pilot for technical diagrams and design docs, with diagram-as-code and integrations for engineering teams.
873K visits/mo41K saves
Pricing
Voice Call: $0.99 per 1,000 participant minutes
Video Call: $3.99 per 1,000 participant minutes
Live Streaming: $0.39 per 1,000 minutes
In-app Chat: $99 per 10,000 MAU
AI Effects: $584 per 2 platforms/month
Super Board: $1.99 per 1,000 participant minutes
Cloud Recording: $0.59 per 1,000 recording minutes
Analytics Dashboard: $299/month
Free trial available
Starter: €0 / month
Pro: €15 / month
Pro +: €40 / month
Team: €80 / month
Scale: €250 / month
No public pricing
No public pricing
Free trial available
Free: $0 (3 files, 3 AI diagrams)
Starter: $15/user/mo billed annually (40 AI diagrams)
Business: $45/user/mo billed annually (250 AI diagrams, SSO)
Core features
- ✦Video and voice call SDKs
- ✦Live streaming SDK for interactive broadcasts
- ✦In-app chat API
- ✦Cloud recording of audio/video streams
- ✦AI face effects and digital-human generation
- ✦Conversational AI agent building tools
- ✦20+ pre-built UIKits for rapid app development
- ✦Real-time cloud speech transcription
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- ✦MIT-licensed and free to use
- ✦Lightweight (~65kb) JavaScript widget
- ✦4 message display modes plus typewriter effect
- ✦Markdown support and chat history
- ✦Backend hook to integrate any LLM
- ✦Responsive, mobile-friendly, read-only mode
- ✦Publish structured documentation sites
- ✦Git sync for docs-as-code workflows
- ✦AI setup agent to build and import docs
- ✦GitBook MCP server for AI access
- ✦Enterprise controls
- ✦Free tier to start
- ✦AI-generated diagrams from prompts
- ✦Diagram-as-code editing
- ✦Markdown design docs
- ✦Eraserbot auto-updating codebase diagrams
- ✦Integrations: GitHub, Notion, Confluence, VS Code
- ✦Export to PNG/SVG/PDF/MD and MCP server
Use cases
- →App developers adding live video or voice chat
- →Social and dating apps needing engagement features
- →Telehealth platforms requiring secure video calls
- →E-commerce brands adding live-streaming shopping
- →Education platforms needing interactive whiteboards
- →Generating concise marketing introductions from lengthy content using the Text Summarization API.
- →Translating text into multiple languages using the Text Translation API.
- →Ensuring grammatically correct and polished text using the Proofreading and Grammar Check API.
- →Adding an AI chat UI to web apps
- →Building LLM-powered support agents
- →Embedding chat widgets in existing products
- →Prototyping chatbot interfaces
- →Publish product and API documentation
- →Maintain docs-as-code with Git sync
- →Make docs consumable by AI assistants
- →Import existing docs into a hosted site
- →Create architecture and cloud diagrams fast
- →Write and maintain design docs
- →Keep codebase diagrams up to date
- →Embed live diagrams in Notion/Confluence
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