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. 🚀💻📊
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Langtrace is an open-source, OpenTelemetry-based observability tool for LLM applications, offering real-time tracing, evaluations, and metrics for popular LLMs, LLM frameworks, and vector databases. It integrates via TypeScript or Python SDKs and is developed by Scale3 Labs under an AGPL-3.0 license.
Use it when you need standards-based OpenTelemetry tracing and evaluation metrics across your LLM stack without building instrumentation yourself.
Use it to
- Trace LLM application calls end-to-end
- Collect metrics for LLM frameworks and vector databases
- Run evaluations on model outputs
- Instrument apps from TypeScript or Python
- Export telemetry via OpenTelemetry
For Developers and LLMOps teams building LLM applications
- Role
- agent-framework
- Language
- TypeScript
- Licence
- AGPL-3.0
- Forks
- 127
- Open issues
- 1
- Last push
- 2025-11-17
- Latest release
- 1.0.0 · 2024-03-31