Braintrust Raises $80 Million Series B for AI Evaluation and Observability Platform

Summary

Braintrust, a platform focused on AI evaluation, observability, and prompt engineering tooling, has raised $80 million in a Series B funding round. The company provides tools that help engineering teams evaluate, test, and monitor large language model (LLM) applications in production, addressing a growing need as enterprises scale their AI deployments. Braintrust's platform sits in the emerging AI engineering toolchain layer, offering capabilities for prompt management, model evaluation, datase