Braintrust

Braintrust is an evaluation and prompt optimization platform that helps teams measure LLM quality, compare models, and optimize prompts. Open-source with a generous cloud free tier. Best for teams that need rigorous evaluation to justify model choices and reduce costs.

AI ToolFree Tier: Free tier: 10K evals/month; open-source self-host optionCompany: BraintrustCategory: Cost OptimizationOpen Source: YesQuick Start: npm install @braintrust/cli → Create a free account at braintrust.dev → Log evaluations and compare prompt/model variants

Braintrust

LLM evaluation + optimization platform — open-source, self-hostable

Visit Braintrust →

Braintrust is an evaluation and prompt optimization platform that helps teams measure LLM quality, compare models, and optimize prompts. Open-source with a generous cloud free tier. Best for teams that need rigorous evaluation to justify model choices and reduce costs.

FREE TIER
Free tier: 10K evals/month; open-source self-host option
COMPANY
Braintrust
CATEGORY
Cost Optimization › Evaluation
OPEN SOURCE
Yes
PRIVACY
Self-hostable; cloud is SOC 2 compliant
TAGS
evaluationoptimizationopen-sourcecost

QUICK START

npm install @braintrust/cli → Create a free account at braintrust.dev → Log evaluations and compare prompt/model variants

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