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
Key facts
- 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 (Usage-based SaaS with self-serve/free options and enterprise plans)
- Last updated
Financials
- 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
Relationships
- 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
Classification (raw research text)
- Core focus
- LLM evaluation and AI observability
- Core industry
- Horizontal AI infrastructure
- Core category
- LLM evaluation / AI observability platform
Shown verbatim from the research spreadsheet — deriving structured industry tags from this text is a future phase.
Segments, Industries & Certifications
- Segments
- Industries