LangChain vs Microsoft Teams SDK
LangChain and Microsoft Teams SDK are both agent frameworks for Python. LangChain is published by LangChain and Microsoft Teams SDK by Microsoft. On GitHub, LangChain has 148,371 stars and Microsoft Teams SDK has 731. Both were last active in Oct 2026. The table lines up where they differ (publisher, GitHub stars, weekly downloads and category) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. LangChain describes itself as: Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it. Microsoft Teams SDK: SDK for building Microsoft Teams apps and AI agents in TypeScript, C# and Python, with a CLI that scaffolds new agents. Licenses: LangChain MIT, Microsoft Teams SDK MIT.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
LangChain
LangChain
Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it.
Microsoft Teams SDK
Microsoft
SDK for building Microsoft Teams apps and AI agents in TypeScript, C# and Python, with a CLI that scaffolds new agents.
Who should pick which
- Pick Microsoft Teams SDK if you work in TypeScript and C#.
- LangChain has the larger community: 148,371 GitHub stars against 731.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | LangChain | Microsoft Teams SDK |
|---|---|---|
| Type | Harness | Harness |
| Publisher | LangChain | Microsoft |
| License | MIT | MIT |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 148,371 | 731 |
| Weekly downloads | 37,334,710 | 497,821 |
| Last release | Oct 22, 2026 | Oct 9, 2026 |
| Last activity | Oct 24, 2026 | Oct 23, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
LangChain
pip install langchain
Microsoft Teams SDK
npm install @microsoft/teams.apps
Also consider
- 0.853score
LlamaIndex
LlamaIndex
Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.
HarnessAFreshness: A★ 52.6K↓ 1.4M/wk - 0.851score
Strands Agents
AWS
Open-source Python and TypeScript SDK for model-driven agents, with tools, MCP, multi-agent patterns and streaming.
HarnessAFreshness: A★ 8.9K↓ 8.9M/wk - 0.841score
GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
HarnessAFreshness: A★ 10.6K↓ 1.2M/wk
Questions
- Is LangChain or Microsoft Teams SDK more popular?
- LangChain has more GitHub stars (148,371 against 731). Stars measure attention, not quality, so check freshness and docs too.
- Are LangChain and Microsoft Teams SDK open source?
- Yes: LangChain is MIT and Microsoft Teams SDK is MIT.
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- ComparisonMicrosoft Teams SDK vs Pi Agent Core
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Cite this page
LangChain vs Microsoft Teams SDK. Agent Mart. https://agentmart.dev/compare/langchain-vs-microsoft-teams-sdk (last updated 2026-10-26)