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LangWatch

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LLM observability platform with quality monitoring, guardrails, and evaluation workflows

LangWatch is an LLM observability platform focused on quality monitoring and guardrails for AI applications. It provides tracing, evaluation workflows, and real-time monitoring to catch issues before they reach users. Supports integration with major LLM providers and frameworks.

Pricing: Monthly subscriptions

Hosting Cloud + Self-hosted
Pricing Freemium, from Free / €499/mo
HQ 🇳🇱 Netherlands
Founded 2023
License MIT
GitHub 3,100 stars
Compliance GDPR · SSO
Screenshot of LangWatch webpage

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