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Braintrust is the active observability platform for instrumenting, understanding, and improving agents. By actively applying intelligence to agent traces and automatically surfacing the most critical patterns, Braintrust gives teams the visibility to understand how agents behave in production and the tools to improve them. To get started, create a Braintrust account.

Quickstarts

Log your first trace

Send traces from your AI application to Braintrust

Run your first eval

Compare prompts and models to improve AI quality

Discover Patterns

Find recurring trace problems and suggested fixes

Investigate with Loop

Ask Braintrust’s AI agent to analyze data and build evals

Connect with MCP

Connect your AI tools to Braintrust data and actions

Get started with the CLI

Instrument apps and run evals with the bt CLI

Workflow

Follow Braintrust’s structured workflow to build, evaluate, and improve AI applications:

Instrument

Capture traces from your AI application

Observe

Analyze logs and identify patterns

Annotate

Add human feedback and build datasets

Evaluate

Test changes with experiments

Deploy

Ship changes and monitor production

Admin

Manage organizations, projects, and access control