Braintrust
Evals for AI products.
FreemiumVerified FreeAPI
100 · Fresh2026-07-09
Live preview of https://www.braintrust.dev
TL;DR
Braintrust runs evaluations, prompt playground, and logging for AI apps; free tier.
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FAQ
Is Braintrust free?
Braintrust has a machine-verified free tier (no card required).
Does Braintrust have an API?
Yes, Braintrust offers an API.
What are alternatives to Braintrust?
Alternatives include Speakeasy, Softr, Continue.