EvalsOpen source

LangWatch

Open-source platform for testing, evaluating, and monitoring AI agents.

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About the tool

Open-source platform for testing, evaluating, and monitoring AI agents.

LangWatch combines simulation-based agent testing with continuous evaluation and production observability, tracing every agent step with cost and latency visibility. The platform is Apache-2.0 licensed with a hosted cloud offering.

Pricing: Open source
Category: Evals
Maker: Not publicly supplied
Provenance: Indexed by PageVerified from public information

For the maker

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Feature for 7 days · $39 Feature for 30 days · $99

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