Pilot it+646 this week★ 21,645 · 1,734 forks
Open-source LLM evaluation and monitoring tool
Worth a timeboxed spike before you bet on it.
Who it's for
Small teams building LLM applications
What it replaces
Manual model evaluation and monitoring
The catch
Steep learning curve and potential ops burden
Your first hour
Clone the repo and run the example notebook
The numbers
Stars21,645
Forks1,734
Stars added (7d)+646
Open issues214
LanguagePython
LicenceApache-2.0
Last pushUpdated today
Project age3 years old
Maintainers describe it as: “Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.”
evaluationhacktoberfesthacktoberfest2025langchainllama-indexllmllm-evaluationllm-observabilityllmopsopen-source
opik, in short
- Should a small team use opik?
- Pilot it. Worth a timeboxed spike before you bet on it. Small teams building LLM applications
- What does opik actually do?
- Open-source LLM evaluation and monitoring tool
- What does opik replace?
- Manual model evaluation and monitoring
- What is the downside of opik?
- Steep learning curve and potential ops burden
- Can opik be used in a commercial product?
- Its licence is Apache-2.0, which is permissive and generally fine for commercial use. Confirm against the LICENSE file in the repository.