Braintrust

Name: Braintrust
Author: Braintrust

Evaluation-first platform for shipping LLM changes with measured confidence.

Why it's indexed

Treats evals as the primary artifact, not a reporting afterthought.

Editorial judgement, not a measurement — see our methodology. Listing is never paid for.

Pricing is shown as a model, not a rate. Published rates change without notice — check the vendor's own page before budgeting.

Open-source LLM tracing, evaluation, and prompt management.

Tracing, evaluation, and monitoring from the LangChain team.

Open-source, OpenTelemetry-native tracing and evaluation for LLM apps.