Stagehand
Open source TypeScript and Python SDK that lets an LLM drive a browser using act, extract and observe calls.
How the 7.6 was reached
- Quality of output8/10
25,463 GitHub stars, 1,744 forks, MIT licence, active push in September 2026; 379 open issues. github.com
- Ease of use7/10
Open source SDK with docs; it runs best on the Browserbase platform and needs an LLM API key. docs.browserbase.com
- Pricing value7/10
Free MIT SDK; Browserbase free plan and $20/month Developer plan; an LLM key is a paid dependency. browserbase.com
- API and integration quality8/10
TypeScript and Python SDKs, documented act/extract/observe interface, and works with multiple LLMs. docs.browserbase.com
- Solves the problem it claims to solve8/10
Built for browser agents; strong adoption of 25k stars supports delivery of the claim. github.com
7.6/10 is the mean of the 5 criteria that apply. Scored on the five-criteria rubric v1, 29 September 2026. How scoring works
Pricing
- MIT licence
- Needs an LLM API key
- 3 concurrent browsers
- 1 browser hour
- 3 agent runs
- 25 concurrent browsers
- 100 browser hours, then $0.12/hr
Key Features
- act() for browser actions
- extract() with Zod schema validation
- observe() for actionable page elements
- AI-resolved instructions instead of brittle selectors
- TypeScript and Python SDKs
Pros & Cons
Pros
- 25,463 GitHub stars and MIT licence
- Documented act, extract and observe interface
- Works with multiple LLMs
- Active development
Cons
- Needs a paid LLM API key
- Runs best on the Browserbase platform
- 379 open issues
- Browserbase free plan is small
Stagehand suits developers building browser agents who want less brittle scripts than raw selectors. Teams that want zero LLM cost or no cloud tie-in should weigh the extra dependencies.
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