Braintrust
Braintrust is an artificial intelligence company in San Francisco, United States, founded in 2023. It has raised $41.1M across 2 rounds, most recently a $36.0M Series A in October 2024.
Ship quality AI at scale
- Headquarters
- San Francisco, California
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- braintrust.dev
- Total Funding
- $41.1M
- Last Round
- $36.0M Series AOct 2024
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 8 investors for this company. The full record is or through the API.
About
Braintrust is the AI observability and evaluation platform used by leading engineering teams to test, monitor, and improve AI applications in production. The platform connects tracing, evals, prompt engineering, and dataset management in a single workflow, giving teams the visibility to understand how AI behaves in production and the tools to iterate continuously. Braintrust's proprietary Brainstore database is purpose-built for AI trace data at scale. Customers include Vercel, Notion, Dropbox, Replit, Coursera, and Navan. The company raised an $80M Series B and is based in San Francisco.
Summary
It lists 11–50 employees. It has raised $41.1M in total across 2 rounds, most recently a $36.0M Series A round in Oct 2024. Investors include Greylock Partners, Andreessen Horowitz and Elad Gil.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Oct 2024
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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