Braintrust AI

Braintrust AI is an end-to-end observability platform for AI that lets development teams trace application behavior, evaluate model quality, and monitor production performance—so AI products keep getting better.

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AI observability platformLLM evaluation toolAI application monitoringlarge model tracingAI agent quality assessmentprompt optimization tool

Features of Braintrust AI

Full-request tracing that rebuilds the complete decision path, letting you inspect every model call, tool run, and retrieval in real time

Built-in evaluation framework with dataset management, task-function definition, and combinable scorers

AI-assisted log analysis—search and filter production logs with natural language, no queries to write

Polyglot SDKs for TypeScript, Python, Go and more—drop-in integration

Live production monitoring for prompt latency, token cost, error rate and custom alerts

Pre-release regression tests and prompt/model diffs so you ship with confidence

Closed-loop quality flywheel: turn production data into new benchmarks and inject human judgment for continuous improvement

Built-in prompt playground that auto-generates training sets and scorers to speed up iteration

Use Cases of Braintrust AI

AI engineers debugging live anomalies and performance issues

Teams running A/B or regression tests to pick the best prompt or model

Enterprises validating quality and latency before deploying AI agents

Product teams tracking live model performance, spend, and user feedback in one place

Data scientists curating datasets, defining scoring rubrics, and versioning benchmarks

Developers cutting latency and inference cost through continual performance tuning

FAQ about Braintrust AI

QWhat is Braintrust AI?

Braintrust AI is an end-to-end observability platform built to evaluate and monitor AI applications in production, helping teams trace model behavior, score output quality, and keep improving.

QWhich programming languages does Braintrust AI support?

Braintrust AI offers official SDKs for TypeScript, Python, Go and other mainstream languages, plus open-source utilities and community support for quick integration regardless of your stack.

QHow does Braintrust AI help evaluate model quality?

It provides a systematic evaluation framework where you create datasets, define task functions, and configure scorers (LLM-as-judge, code-based, human). Run them in dev or production to quantify performance.

QWho is Braintrust AI for?

AI engineers, ML engineers, data scientists, AI product managers—any professional team that builds, deploys, and maintains production-grade AI applications.

QWhat is the pricing model?

Braintrust AI has a free Builder tier for developers and a customizable Enterprise plan with private-deployment options. Contact the team for detailed pricing.

QHow do I get started?

Sign up for an account to grab your Braintrust API key, install the braintrust package and any AI client library, set your environment variables, and start tracing and evaluating right away.

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