Back/Braintrust

Braintrust

AI & Machine Learning www.braintrust.dev

San Francisco-based AI observability company founded 2023. Private. Operates in AI evaluation and LLM tooling markets. Serves engineering teams at companies like Notion, Stripe, and Zapier with evals, tracing, and monitoring for AI products.

Entry price

$249

Pro · /mo + usage

Plans tracked

no add-ons

Pricing changes

Latest Wk 32 '26

Pricing model

Subscription + usage

No free tier

Pricing Change History

2 changes

20262 changes

Wk 32 '26

Packaging

Braintrust: per-token overage rates hidden behind docs link

Per-token overage rates ($0.06/mtok input, $0.40/mtok output) on Starter, Pro, and Enterprise plans replaced with generic "then token rates" text linking out to a docs page

View diff

Wk 31 '26

Packaging

Braintrust reveals Enterprise overage rates: $0.06/mtok in, $0.40/mtok out

Enterprise plan's Topics (token usage) overage rate is now shown publicly as $0.06/mtok input, $0.40/mtok output; previously that cell showed only 'Custom' with no rate disclosed.

View diff