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Opik by Comet
Opik by Comet is an open-source platform designed for debugging, evaluating, and monitoring Large Language Model (LLM) applications, Retrieval Augmented Generation (RA…
Our verdict
Who it's for
Track, evaluate, and optimize your LLM applications, RAG systems, and agentic workflows.
Who should look elsewhere
Requires some technical expertise to set up and run locally
Pros
- +Open-source with full feature set available for free
- +Comprehensive tools for LLM debugging, evaluation, and monitoring
- +Automated optimization saves time in prompt engineering
- +Enhances trust and safety with robust guardrails
- +Seamless integration into CI/CD pipelines for continuous testing
Cons
- −Requires some technical expertise to set up and run locally
Key features
- ✓Log traces and spans for LLM applications
- ✓Define and compute custom evaluation metrics
- ✓Automated prompt and agent optimization (Few-shot Bayesian, MIPRO, evolutionary, MetaPrompt)
- ✓Built-in guardrails for content screening and PII redaction
- ✓LLM unit testing with PyTest integration
- ✓Monitor and analyze production data for LLM performance
- ✓Integrations with OpenAI, Predibase, Ragas, OpenTelemetry, LangChain, LlamaIndex, LiteLLM, DSPy
- ✓Built-in LLM judges for hallucination detection, factuality, and moderation
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | — | month | Log traces and spans; Define and compute evaluation metrics; Score LLM outputs |
Integrations
GitHub