# OpenLIT

> Apache-2.0 OTel tracing, evals and guardrails for agents

**Category:** AI Agents  
**Pricing:** open-source  
**URL:** https://openlit.io  
**GitHub:** https://github.com/openlit/openlit  
**Added:** 2026-10-18

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## The Hook

OpenLIT is an open-source platform for observing and improving AI agents and coding agents with OpenTelemetry: tracing, evaluations, guardrails, prompt management, and cost and GPU monitoring.

## What's Good

Apache-2.0 (openlit/openlit), free to self-host. Integrations cover Claude Code, Codex, Cursor, the OpenAI Agents SDK, LangGraph, CrewAI and 70+ more, with OpenTelemetry-native output you can send to your own backend. Includes an OTel GPU collector for model-serving hardware. ★~2.9k.

## The Catch

The README is heavy on the new agent-harness-engineering framing; underneath it is an OTel tracing and eval platform in a crowded field. Self-hosting means running its UI and ClickHouse. Many repos and releases (SDKs, collectors) to keep in sync.

## Verdict

A solid self-hosted LLM observability option, especially if you also watch GPU cost.