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Tools/Braintrust

Braintrust

Evaluation and observability platform for building reliable LLM applications.

braintrust.dev
Screenshot of Braintrust
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

Freemium

Free 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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