Braintrust
FreemiumAI evaluation and observability platform for testing prompts, models, and agents in production.
Tool Info
Categories
Evaluation · Observability
Developer
Braintrust
License
Proprietary
Official Website
Repository
N/A
Overview
Braintrust is a platform for evaluating and improving AI applications through experiments and datasets.
Teams log runs, score outputs, and compare prompt versions collaboratively.
Popular with AI-native product companies.
Features
- Experiment tracking
- Human and auto eval
- Playground
- CI integration
- Datasets
Pricing
Free tier available
FreeProEnterprise
Pros
- Excellent DX
- Production-grade platform
- Strong experiment UI
Best For
Prompt experimentsProduction eval loopsTeam collaboration on AI quality
When NOT to Use
- Cloud-first
- Paid for team features
Typical Users
AI product teamsEngineering leads
Related Tools
Alternatives
Tags
#evaluation#observability#platform
Related Guides
- LLM Evaluation
Measuring LLM output quality - automated metrics, human eval, LLM-as-judge, and building eval pipelines.
- Prompt Evaluation
Systematically testing and comparing prompts - A/B testing, prompt versioning, and regression detection.
- Observability
Understand how to monitor, trace, and debug AI systems in production.
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