Learn how LangWatch and OpenLLMetry differ in their key features, development activity, technology stack and community adoption, so you can decide which of these llm observability & evaluation is best for you.
Last 30 days
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Repository age
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Last 30 days
Last commit
Repository age
Version
License
Repository

OpenLLMetry appears to have several advantages over LangWatch, particularly in popularity and growth. Consider your specific needs regarding popularity, growth, activity, maturity, licensing and features when making your decision.
OpenLLMetry leads in popularity with 7,391 stars vs 3,504 stars for LangWatch. The 111% higher star count indicates stronger community adoption. In terms of developer contributions, OpenLLMetry has 1,060 forks, indicating strong developer engagement.
OpenLLMetry is growing faster, adding 65 stars in the last 30 days (+0.9%) against adding 18 stars for LangWatch (+0.5%). OpenLLMetry is both larger and pulling further ahead.
Both projects show recent activity, with LangWatch last updated 10 hours ago and OpenLLMetry 14 days ago.
Both projects started around the same time, with LangWatch beginning 3 years ago and OpenLLMetry 3 years ago.
Both projects use the Apache-2.0 license, providing identical terms for usage and distribution.
Both tools serve similar use cases in LLM Observability & Evaluation.