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LangBot

Open-source platform for building AI-powered IM bots with LLMs, tool calling, and RAG knowledge bases

open-sourceagent-frameworks
18.0k
Stars
+195
Stars/month
627
Commits (90d)
10
Releases (6m)

Star Growth

+13 (0.1%)
17.6k18.0k18.4kSep 30Oct 2

Overview

LangBot is an open-source platform for building AI-powered instant messaging bots that connect Large Language Models to chat platforms. It supports multi-turn dialogues, tool calling, RAG knowledge bases, and integrates with various AI services and workflow tools.

Deep Analysis

Key Differentiator

Production-ready platform supporting multiple instant messaging platforms with built-in enterprise features like access control, rate limiting, and monitoring.

⚡ Capabilities

  • • Multi-turn AI conversations
  • • Tool calling
  • • Multi-modal support
  • • Streaming output
  • • Built-in RAG knowledge base
  • • Access control and rate limiting
  • • Sensitive word filtering
  • • Comprehensive monitoring

🔗 Integrations

DiscordTelegramSlackLINEQQWeChatWeComLarkDingTalkChatGPTDeepSeekDifyn8nLangflowCozeClaudeGeminiGLMOllama

✓ Best For

  • ✓ Building AI bots for multiple instant messaging platforms
  • ✓ Enterprises needing production-ready bot infrastructure
  • ✓ Developers wanting to connect LLMs to chat applications

✗ Not Ideal For

  • ✗ End-user AI chatbots for general consumers
  • ✗ Standalone AI writing or image generation apps
  • ✗ Non-agentic automation tools

⚠ Known Limitations

  • ⚠ Requires technical setup and deployment
  • ⚠ Primarily focused on IM platforms rather than web or voice interfaces
  • ⚠ Evidence doesn't specify sandbox or execution environment features

Alternatives

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