Braintrust - AI Evaluation Platform

Basic Information

• Company/Brand: Braintrust
• Founder: Ankur Goyal
• Country/Region: USA
• Official Website: https://www.braintrust.dev/
• GitHub: https://github.com/braintrustdata/braintrust
• Type: AI Observability and Evaluation Platform
• Founded: 2023
• Funding Status: Multiple rounds of funding secured

Product Description

Braintrust is an AI observability platform focused on helping teams build high-quality AI products. It provides a complete closed-loop workflow from production observability to evaluation testing and continuous iteration. Trusted by leading companies such as Notion, Stripe, Vercel, Airtable, Instacart, and Zapier, Braintrust is the only platform that integrates evaluation directly into the observability workflow.

Core Features/Characteristics

• Production Tracing: Inspect each trace, delve into tool calls, and track latency, cost, and quality in real-time
• Experiment Evaluation: Run experiments on real datasets, compare prompts side-by-side, and automatically capture regressions in CI
• Multi-dimensional Scoring: Supports LLM scoring, code scoring, and human scoring
• Loop AI Optimization: Describe optimization goals, automatically generate better prompts, scorers, and datasets
• Custom Annotation Interface: Customize annotation interfaces by task (e.g., customer service vs. code generation) without front-end development
• One-click Test Cases: Convert any production log into a test case with one click
• High-speed Search: High-speed search and trace analysis for large-scale AI logs

Business Model

• Free: 1 million Spans, 10,000 scores, unlimited users
• Pro ($249/month): Unlimited Spans, unlimited scores, advanced features
• Enterprise (Custom Pricing): Self-hosting, hybrid deployment, dedicated support
• Storage Fees: $3/GB/month

Target Users

• AI product and engineering teams
• Enterprises requiring AI quality assurance
• Development teams building agent systems
• Organizations needing evaluation and monitoring loops
• Operations teams for large-scale AI applications

Competitive Advantages

• Seamless integration of evaluation and observability (unique in the industry)
• Loop AI automatic optimization capabilities
• Endorsement by top-tier clients (Notion, Stripe, Vercel, etc.)
• Generous free tier (1 million Spans)
• Closed-loop creation of test cases from production logs with one click

Comparison with Competitors

Relationship with the OpenClaw Ecosystem

Braintrust provides AI evaluation and quality assurance capabilities for the OpenClaw ecosystem. OpenClaw's AI agents require continuous quality monitoring and evaluation, and Braintrust's evaluation-observability loop can help teams quickly identify and resolve quality issues. The Loop AI optimization feature can automatically improve the prompts and scoring strategies used by OpenClaw agents, ensuring that AI agents consistently deliver high-quality services in production environments.