Braintrust

Research Team Data Published Compare

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

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