$0
Starting price
Free tier for building AI products
Report
Ship quality agents at scale. Braintrust is the AI observability platform for tracing production, running evals, and catching regressions before they reach users.
Depends
DependsBuy if you ship AI agents in production and want tracing, evals, and regression checks in one well-funded platform.
Well-funded evals+tracing platform used by Notion and Stripe — but a 2026 breach exposed customer API keys.
$0
Starting price
Free tier for building AI products
$249/mo
Paid tier
Pro plan, per third-party 2026 breakdown
Yes
Free tier
Enterprise is custom-priced
$80M Series B
Funding
~$800M valuation, Feb 2026
Free tier strong; model costs pass through.
Tracing, evals, hybrid deploy, enterprise controls.
2026 breach exposed customer API keys.
$0
$249/mo
Not disclosed
Confirmed breach: May 2026 AWS incident exposed customer AI provider API keys; every customer was told to rotate credentials.
Independent reviews of this specific product are sparse, and much online 'Braintrust' feedback actually targets a similarly named recruiting marketplace, so sentiment is murky.
Compare Braintrust with each alternative.
Open-source alternative; self-host to keep keys and data in-house.
LLM eval and observability platform positioned against Braintrust.
Product analytics suite that also covers LLM observability.
Braintrust vs PostHogSimpler prompt management and evals for smaller teams.
Braintrust vs PromptLayerBased on 18+ public sources. Reviews of the similarly named recruiting marketplace (usebraintrust.com) were excluded as a different company; user reviews specific to this product were thin.
Anonymous. You can change your vote.
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