# OpenLLMetry: Free Open Source Alternative to Arize, Galileo, LangSmith

Canonical: https://caniforkit.com/fork/openllmetry
Last updated: 2026-11-07

OpenLLMetry (Open Source, Open Source) replaces Arize, Galileo, LangSmith, Maxim. Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

## Tool Specifications
- **Tool Name**: OpenLLMetry
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://www.traceloop.com/openllmetry
- **GitHub Repository**: https://github.com/traceloop/openllmetry
- **GitHub Stars**: ★ 7.5k
- **Runs On**: Local
- **Maintenance Status**: nov 2026
- **Platforms**: desktop, cross-platform, one-click install
- **Data Storage**: All application data lives locally on your own machine.
- **Installation**: Clone https://github.com/traceloop/openllmetry or deploy with Docker Compose
- **Setup Requirements**: Download the native package or installer for your operating system.
- **The Catch / Limitation**: Community-driven open source project without dedicated enterprise SLAs.

## Paid SaaS Applications Replaced (5)
Replacing these paid tools with OpenLLMetry saves up to $175/mo ($2,100/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Arize](https://caniforkit.com/arize) | [analytics](https://caniforkit.com/category/analytics) | $35/mo | [Compare Arize vs OpenLLMetry](https://caniforkit.com/vs/arize-vs-openllmetry) |
| [Galileo](https://caniforkit.com/galileo) | [analytics](https://caniforkit.com/category/analytics) | $35/mo | [Compare Galileo vs OpenLLMetry](https://caniforkit.com/vs/galileo-vs-openllmetry) |
| [LangSmith](https://caniforkit.com/langsmith) | [analytics](https://caniforkit.com/category/analytics) | $35/mo | [Compare LangSmith vs OpenLLMetry](https://caniforkit.com/vs/langsmith-vs-openllmetry) |
| [Maxim](https://caniforkit.com/maxim) | [analytics](https://caniforkit.com/category/analytics) | $35/mo | [Compare Maxim vs OpenLLMetry](https://caniforkit.com/vs/maxim-vs-openllmetry) |
| [Splunk](https://caniforkit.com/splunk) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare Splunk vs OpenLLMetry](https://caniforkit.com/vs/splunk-vs-openllmetry) |

## Frequently Asked Questions

### Is OpenLLMetry free and open source?
OpenLLMetry is an open source tool licensed under Open Source that runs on local. Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

### What is the trade-off or limitation of using OpenLLMetry?
Community-driven open source project without dedicated enterprise SLAs.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)