Introducing our Browser Agent Evals.
We benchmark frontier and open models using various harnesses on computer-use tasks.
Our evals are fully open source and reproducible via our Evals CLI.
We got early access to Fable 5.1 and evaluated it extensively across our internal benchmarks.
It outperformed all other frontier models (including Fable 5) on accuracy scoring 92.11%, while being 60% cheaper than Fable 5 per task.
Create agent-ready web apps for the WebMCP Challenge → goo.gle/4qpDQYV
We're excited to see ChatGPT supporting WebMCP, the experimental standard that lets users and AI agents navigate websites together. In the @OpenAIDevs WebMCP Challenge you can experiment with it and
Stagehand v4 gives you more control over how your browser actions are cached.
With Browserbase caching, your scripts automatically run up to 80% faster.
Introducing Stagehand v4: the SDK for browser agents.
Playwright was built for testing, we built Stagehand for your agent: with improved context management, self-healing actions, and iframe support.