Braintrust

Open-source tracing and evals for AI agents

Observability and evaluation for AI agents

Simulation and evaluation platform for AI agents

Pytest-style open-source framework for testing LLM apps

Evaluation and guardrails for generative AI in production

Comet's open-source LLM tracing and evaluation suite

Open-source tracing and evaluation for LLM apps

Open-source LLM observability and tracing

LangChain's platform for debugging and evaluating LLM apps