Overview

Braintrust — Enterprise-grade AI evaluation platform for testing and improving LLM applications.

Braintrust is an enterprise AI evaluation and experimentation platform that helps teams test, score, and continuously improve LLM-powered applications. It provides a structured framework for defining test cases, running evaluations with custom or built-in scorers, comparing model and prompt variants, and tracking quality over time. Braintrust integrates with major LLM providers and supports online logging for production monitoring alongside offline evaluation pipelines. It is used by AI product teams at technology companies who need rigorous, repeatable evaluation processes to ship reliable AI features with confidence.

Community reviews

Share your take on Braintrust

3.8

★★★★★

2 reviews

5★

4★

3★

2★

1★

Fatima N.

Engineering Manager · Netflix

★★★★★

2 months ago

Solid product, recommended

Genuinely useful — glad I tried it. The outputs require minimal editing — saves so much back-and-forth. It handles edge cases better than anything else I've tried. My team adopted this immediately after I shared it with them. Wish the free tier had slightly higher limits.

Alex H. ✓ Verified

Solutions Architect · GitLab

★★★★★

4 months ago

Good for some things, not others

Good for some things, lacking in others. The interface is intuitive enough that I didn't need to read any docs. The learning curve was steeper than expected.

Alex D.

CEO

★★★★★

7 months ago

Very useful, mostly polished

Mostly great, minor complaints. It integrates well with VS Code / Slack / Notion — my daily drivers. My only complaint is the pricing could be more competitive. A staple in my tech stack now.

Andrew C.

CEO

★★★★★

7 months ago

Exactly what I needed

Seriously impressive. The output quality surprised me — it actually sounds human.

Chelsea H. ✓ Verified

SEO Specialist · Cloudflare

★★★★★

8 months ago

Incredible — highly recommend

Game changer for my workflow. The API is well-documented and easy to work with. The accuracy has improved significantly with recent model updates.

Brittany P. ✓ Verified

Senior Developer · Airbnb

★★★★★

10 months ago

A must-have for any professional

Can't imagine working without it now. The recent updates have addressed most of my initial concerns. It integrates well with VS Code / Slack / Notion — my daily drivers. The ROI was clear within the first week of using it.

Sarah W. ✓ Verified

Engineering Manager

★★★★★

11 months ago

Worth every cent

Absolutely love this tool. Pricing is fair for the value you get. Integration with my existing tools was seamless — no friction at all. Will continue using this long-term.

Patrick C. ✓ Verified

Director of Product · bootstrapped startup

★★★★★

11 months ago

Impressed with the results

Mostly great, minor complaints. The free tier is genuinely generous compared to competitors.

James D. ✓ Verified

ML Engineer · Y Combinator startup

★★★★★

1 years ago

A must-have for any professional

Blown away by the quality. The onboarding flow was smooth and I was productive from day one. The ROI was clear within the first week of using it. The ROI was clear within the first week of using it. A staple in my tech stack now.

Andrew N. ✓ Verified

AI Researcher · Apple

★★★★★

1 years ago

A must-have for any professional

Exceeded all my expectations. The API is well-documented and easy to work with. The AI doesn't just suggest — it learns from my preferences over time. The accuracy has improved significantly with recent model updates. Best tool in this category, hands down.

Mohammed N. ✓ Verified

Frontend Engineer · Netflix

★★★★★

1 years ago

Impressed with the results

Recommended for anyone in my field. I've tried 5 similar tools and this one is clearly the best in class. Customer support responded within hours and solved my issue. Performance is fast — no noticeable latency even on large inputs. Occasional slowdowns during peak hours.

Heather L. ✓ Verified

Founder · Apple

★★★★★

1 years ago

Best in class, no question

Best-in-class, period. The ROI was clear within the first week of using it. The free tier is genuinely generous compared to competitors. I've recommended this to at least 10 colleagues already. Five stars — no hesitation.

Alternatives

Similar tools worth comparing.

Ollama

Developer ToolsDeveloper Tools

Run large language models locally

FreeLocal LLMOpen Source

★4.3(7)♥ 19923

Free

Bubble

Developer ToolsDeveloper Tools

The most powerful no-code platform for building full-stack web applications

★4.1(3)♥ 4673

Free; Starter $29/mo; Growth $119/mo; Team $349/mo

Supabase

Developer ToolsDeveloper Tools

Open-source backend-as-a-service with PostgreSQL database, auth, storage, and vector search for AI apps.

Open Source

★4.1(2)♥ 3952

Free tier available; Pro at $25/mo; Team at $599/month

Hugging Face

Developer ToolsDeveloper Tools

The GitHub of machine learning — hosting 500,000+ AI models, datasets, and Spaces

Open Source

★4.1(3)♥ 3533

Free (public models); Pro $9/mo; Enterprise $20/user/mo

Daytona

Developer ToolsDeveloper Tools

Secure elastic infrastructure for running AI-generated code.

AI CodingInfrastructureGitHub Trending

★4.1(1)♥ 1331

v0 by Vercel

Developer ToolsDeveloper Tools

AI UI component generator for React and Tailwind

Open Source

★4.1(3)♥ 988

FreePremium $20/mo