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langtrace
TypeScript

langtrace

Langtrace 🔍 is an open-source, Open Telemetry based end-to-end observability tool for LLM applications, providing real-time tracing, evaluations and metrics for popular LLMs, LLM frameworks, vectorDBs and more.. Integrate using Typescript, Python. 🚀💻📊

by Scale3-Labs · GitHub
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aidatasetsevaluationsAGPL-3.0TypeScript
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In plain words

Monitor and analyze the performance of applications that use language models in real-time.

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1 2161 215
2026-07-202026-08-31
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📄 About

Langtrace 🔍 is an open-source, Open Telemetry based end-to-end observability tool for LLM applications, providing real-time tracing, evaluations and metrics for popular LLMs, LLM frameworks, vectorDBs and more.. Integrate using Typescript, Python. 🚀💻📊

langtrace has 1.2k stars on GitHub. It has been forked 124 times. langtrace is written mainly in TypeScript. It has been in active development since 2024. langtrace is available under the AGPL-3.0 license. Its main topics are ai, datasets, evaluations, gpt.

Frequently asked questions

What is langtrace?

Langtrace 🔍 is an open-source, Open Telemetry based end-to-end observability tool for LLM applications, providing real-time tracing, evaluations and metrics for popular LLMs, LLM frameworks, vectorDBs and more.. Integrate using Typescript, Python. 🚀💻📊

Is langtrace open source?

langtrace is an open-source project. It is released under the AGPL-3.0 license.

Is langtrace free?

Yes. langtrace is free and open source — you can use, modify and self-host it. Its AGPL-3.0 license is a strong copyleft: if you distribute a modified version — including offering it as a network service — your changes must be released under the same license.

What license does langtrace use?

langtrace is available under the AGPL-3.0 license.

What language is langtrace written in?

langtrace is written mainly in TypeScript.

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