LangChain vs stagehand
LangChain and stagehand are both agent frameworks for Python. LangChain is published by LangChain and stagehand by browserbase. On GitHub, LangChain has 148,371 stars and stagehand has 25,800. Both were last active in Oct 2026. The table lines up where they differ (publisher, weekly downloads and languages) 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. stagehand: SDK for browser agents with act, observe and extract calls, used from TypeScript and Python to automate sites and pull out structured data. Licenses: LangChain MIT, stagehand 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.
stagehand
browserbase
SDK for browser agents with act, observe and extract calls, used from TypeScript and Python to automate sites and pull out structured data.
Who should pick which
- Pick stagehand if you work in TypeScript and Go.
- LangChain has the larger community: 148,371 GitHub stars against 25,800.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | LangChain | stagehand |
|---|---|---|
| Type | Harness | Harness |
| Publisher | LangChain | browserbase |
| 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 | 25,800 |
| Weekly downloads | 37,334,710 | 996,024 |
| Last release | Oct 22, 2026 | Oct 23, 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
stagehand
npm install @browserbasehq/stagehand
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 stagehand more popular?
- LangChain has more GitHub stars (148,371 against 25,800). Stars measure attention, not quality, so check freshness and docs too.
- Are LangChain and stagehand open source?
- Yes: LangChain is MIT and stagehand is MIT.
Related
- AlternativesAlternatives to LangChain
- AlternativesAlternatives to stagehand
- Best ofBest agent frameworks for Python
- Best ofBest agent frameworks for building AI agents
- Best ofBest agent frameworks for TypeScript
- ComparisonLangChain vs Strands Agents
- ComparisonGitHub Copilot SDK vs LangChain
- ComparisonGenkit vs LangChain
- ComparisonPi Agent Core vs stagehand
- ComparisonCopilotKit vs stagehand
Cite this page
LangChain vs stagehand. Agent Mart. https://agentmart.dev/compare/langchain-vs-stagehand (last updated 2026-10-26)