LangWatch
Open Source
Free Trial
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
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