Braintrust
Last verified 2026-05-19. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $121.0Mattributed |
|---|---|
| Latest round | series-b, $80.0M, 2026-02-01attributed |
| Founded | 2023 |
| Headquarters | San Francisco, USA |
| Industry | devtools |
| Stage | series-b+ |
| Website | braintrust.dev |
Observability and evaluation platform for LLM apps and AI agents covering tracing, evals, datasets and production monitoring. Used by Notion, Stripe, Vercel, Airtable, Instacart, Zapier, Ramp, Dropbox and Cloudflare. Includes Loop, an agent that builds eval datasets and scorers automatically; raised an $80M Series B led by ICONIQ.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2026-02-01 | series-b | $80.0M | undisclosed |
Detected tech stack
Vercel, Google Tag Manager, React, Webpack, lodash ., @sentry/browser, @clerk/clerk-js, Next.js
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series B, $80.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Total raised $121.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Company existence | self-reported | braintrust.dev, read 2026-05-19 |
| Description | self-reported | braintrust.dev, read 2026-05-19 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.