Braintrust

Braintrust is an AI observability platform founded in 2023 and based in San Francisco, California.

The company focuses on helping teams measure, evaluate, and improve AI systems in production. By integrating evaluations and observability into a single workflow, Braintrust enables users to understand AI behavior in real-world environments and provides tools to enhance performance. The platform offers a unified solution for comparing models, testing prompts, and catching regressions, utilizing real user data to continuously improve AI applications. It also provides an enterprise-grade AI stack that includes tools for evaluations, prompt playgrounds, and data management. Braintrust serves enterprise AI teams at leading technology companies such as Notion, Stripe, Zapier, Vercel, and Ramp, helping them optimize their AI systems effectively.