LangWatch

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AI DevTools / LLMOps / Observability SaaSSeed

Description

The platform for LLM evaluations and AI agent testing.

Founders

None

Discovered

September 9, 2023

Added to Database

January 30, 2026

Notes

LangWatch is building developer infrastructure for evaluating and testing LLM applications and agents—an increasingly critical layer as teams move from prototypes to production. Strong open-source traction (3k+ stars) suggests developer pull and potential to become a standard tool in the LLMOps stack.