Braintrust

The product is a platform for building, observing, and evaluating AI agents that addresses silent drift, regressions, and failures in production by tracing prompts, responses, and tool calls and scoring output quality. It sells to developers, data teams, and product teams in B2B companies that build and ship AI agents. It is delivered as a SaaS platform that unifies observability, experimentation, and automated pattern discovery with trace ingestion, monitoring, and quality gates in one place.

Key features

• Trace prompts responses and tool calls
• Search across millions of logs
• Track latency cost and quality
• Scalable agent trace ingestion
• Live performance monitoring
• Custom views and annotation
• Run experiments against datasets
• Compare prompts and models side-by-side
• Flexible versioned datasets
• Score outputs with LLMs code or humans
• Automated and human scoring
• Automatic pattern discovery with Topics
• Continuous online scoring
• Quality gates and alerts