Braintrust
Evaluation and observability platform for building reliable LLM applications.
braintrust.dev
WebAPI
What is Braintrust?
Braintrust gives teams a way to systematically test and score LLM application outputs against datasets, track regressions across prompt/model changes, and monitor production logs — aimed at catching quality issues before they reach users.
Key features
- Systematic LLM output evaluation and scoring
- Regression tracking across prompt/model changes
- Production log monitoring
Pricing
FreemiumFree tier, usage-based paid plans
Verify on the official pricing page →Braintrust use cases
- 1Testing LLM app quality before shipping
- 2Comparing prompt or model changes
- 3Monitoring production AI application logs
Who is Braintrust for?
AI/ML engineersAI product teamsCompanies building LLM-powered products
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