Catch LLM regressions before users do.
Know if your LLM actually improved before you ship. Stop guessing, start measuring.
Free to start · No credit card · 5-min setup
Works with your stack. 50+ integrations, including:
Run evals in your existing workflow.
Run evals from code, the CLI, or the UI. Iterate in the playground without touching code.
Code, CLI, or UI. Your call
Define your task and dataset in code, run from the terminal, or build evals entirely in the UI. Results land in Braintrust automatically.
Iterate fast without touching code
Edit the prompt, switch the model, and re-run your dataset in seconds. No code needed. Deploy the winning prompt to production.
Real results from real teams.
<24hrs
To deploy a new frontier model
<10 min
Eval turnaround
50% → 90%+
Accuracy improvement
45x
More feedback
Notion, Dropbox, Zapier, and Coursera use Braintrust to ship better AI.
Built to test production AI.
20+ scorers. Zero setup
Factuality, moderation, retrieval quality, and more via autoevals. Write your own in any language. No infrastructure to build.
Evals before you ship. Scoring after
Run experiments before a release. Score live traffic after. Both live in the same project.
Enterprise-grade, not an add-on
SOC 2 Type II, HIPAA, GDPR. SSO, RBAC, audit logs, and hybrid deployment for regulated teams.
Customer spotlight
“Braintrust is the core of our evaluation framework process.”
Sarav Bhatia, Sr. Dir. of Engineering at Navan
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