LangWatch
Evaluations, Agent Testing, Ai Agent Testing, AI Observability, AI Evals, Agent Simulations
The harder your agents get, the more you need LangWatch.
LangWatch — the measurement layer for AI agents LangWatch is the open-core platform to test, evaluate, and monitor LLM agents end-to-end. Unlike tools that grade single LLM outputs, LangWatch is built for agent complexity multi-turn, multi-step, multi-agent systems where failure hides in the interactions. Killer feature: Scenario, our open-source framework that simulates full agent conversations, so you catch broken behavior before users do. Apache 2.0, self-hostable.
About LangWatch
LangWatch — the measurement layer for AI agents LangWatch is the open-core platform to test, evaluate, and monitor LLM agents end-to-end. Unlike tools that grade single LLM outputs, LangWatch is built for agent complexity multi-turn, multi-step, multi-agent systems where failure hides in the interactions. Killer feature: Scenario, our open-source framework that simulates full agent conversations, so you catch broken behavior before users do. Apache 2.0, self-hostable.
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