AI tools

Coding & apps

Braintrust

An observability platform for AI agents that traces production, runs evals and catches regressions before release.

Offers

Braintrust gives startups 6 to 12 months of Pro for free

6 to 12 months of Braintrust Pro free for startups

Eligible plans:
Braintrust Pro
Eligibility:
New Braintrust customers at Series A or earlier with at least $100K in funding. Companies funded by partner VCs (including Accel, Founders Fund, Khosla Ventures, Kleiner Perkins and Y Combinator) get twelve months.
Benefit duration:
Six months, or twelve months for partner-VC-backed companies
Read details

What you can do

Engineering teams running AI apps or agents in production that need to monitor quality and cost and run evals continuously.

Get started

Create a Braintrust account, send traces from your AI application, then run evals to compare prompts and models on your datasets. You can also connect through the bt CLI or MCP.

Sources