Braintrust

What is Braintrust?

Braintrust is an AI Observability tool that tracks and evaluates AI agents for quality and performance. Braintrust is freemium: it has a free plan, and paid plans start at $249/month. It is available on Web App. It is aimed at developers and data scientists.

Braintrust is an AI observability platform that traces production agents, runs evaluations, and identifies regressions before they impact users. It supports model evaluation, LLM observability, performance monitoring, and debugging tools. Designed for developers and data scientists, it helps ensure reliable AI systems.

Built for developers and data scientists.

Key capabilities

• Agents

Features

• AI Model Evaluation

• LLM Observability

• Performance Monitoring

• Debugging Tools

• Experiment Tracking

• Dataset Management

• Prompt Engineering

• A/B Testing

• Secure by Default

  Built with security and compliance features from the start.

• Trace Everything

Use cases

• Track AI agents for quality and performance issues
• Evaluate AI models to ensure accuracy and reliability
• Monitor the performance of large language models in real-time
• Identify and fix issues in AI systems using debugging tools
• Track experiments and their outcomes during AI development
• Manage datasets for training and testing AI models

Pros & cons

Pricing

Freemium — paid plans start at $249/month.

AI models

• GPT 5
• DeepSeek V4.1
• ElevenLabs

Security & compliance

• SOC 2
• GDPR
• HIPAA
• SSO
• SAML
• Two-factor authentication

As stated on Braintrust's website — not independently verified by AiByts.

FAQ