Braintrust
Observability and evals platform for AI agents: trace production calls from OpenAI, Anthropic, Gemini, the Vercel AI SDK, LangChain and more, run experiments scored by LLM judges, Autoevals or your own code, review in playgrounds and human annotation queues, and let the built-in Loop agent generate test cases and build evals. MCP server and a bt CLI. Free Starter plan with unlimited users; Pro $249 a month.
- Category
- Analytics & MonitoringProduct analytics, error tracking and observability.
- Website
- braintrust.devOfficial site, opens in a new tab.
- Pricing
- See official siteWe only list verified pricing.
Part of the AI Agent Infrastructure collection.
On the LLM observability and eval tools list.
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