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Braintrust www.braintrust.dev
Research Team Data Active
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Summary AI evaluation and observability platform for testing, monitoring, debugging, and improving LLM apps and AI agents.
Description Braintrust provides datasets, experiments, evals, traces, production monitoring, prompt testing, CI/CD evaluation workflows and human annotation/review tooling for AI teams shipping LLM and agentic features.
Positioning AI observability platform for building quality AI
HQ location San Francisco, CA, USA
Founded 2023
Employee range 51-200
Funding stage Series B
Company type Private
Pricing model freemium, subscription, usage based
Last updated Jun 21, 2026
Revenue estimate Unknown / not publicly disclosed
Valuation estimate $800M reported Series B valuation
Investments $80M Series B announced Feb 2026 led by ICONIQ; prior investors include a16z, Greylock and Elad Gil
Target customers AI engineering, product, ML platform and LLM application teams
Key competitors LangSmith, Galileo, Arize AI, Patronus AI, Humanloop
Known customers Unknown / customer page available but not normalized in this batch
Segments AI Workflows, AI Agents, AI Developer Tools, Knowledge & RAG, Document AI, LLM Deployment, AI Quality & Observability, Traditional ML, AI Governance & Risk, Chatbots, Voice AI Agents, Analytics & BI
Industries General Purpose