# OpenLLMetry

> Apache-2.0 OpenTelemetry instrumentation for LLM apps

**Category:** Observability  
**Pricing:** open-source  
**URL:** https://www.traceloop.com/openllmetry  
**GitHub:** https://github.com/traceloop/openllmetry  
**Added:** 2026-10-18

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## The Hook

OpenLLMetry is a set of OpenTelemetry instrumentations for LLM providers, vector databases and frameworks, so your LLM calls show up as standard traces in whatever backend you already use.

## What's Good

Apache-2.0 (traceloop/openllmetry), release 0.62.4 (2026-09-29). Because the output is plain OpenTelemetry, it works with Datadog, Honeycomb, Grafana and others, and its semantic conventions became part of OpenTelemetry. Add one instrumentation if you already run OTel, or use the Traceloop SDK to start quickly. A JS/TS version exists as OpenLLMetry-JS. ★~7.5k.

## The Catch

Traces can include prompts and completions, which may hold personal data, so configure content capture deliberately. The Traceloop SDK defaults point toward Traceloop's hosted platform; set your own exporter. It is instrumentation, not a UI, so you still need a backend.

## Verdict

The vendor-neutral way to get LLM calls into your existing tracing.