- Pricing
- Paid
- Platform
- Web
- Open source
- Yes
About Opik
Opik is an open-source LLM evaluation and observability tool from Comet that helps teams trace, evaluate, and debug AI applications. It provides tracing of LLM calls, dataset management, and built-in and custom evaluators for measuring output quality. Designed for ML engineers who need a production-ready evaluation pipeline integrated with their experiment tracking.
Specifications
Everything we hold on this listing.
- Category
- Coding & Dev Tools
- Pricing
- Paid
- Platforms
- Web
- Website
- comet.com
- Open source
- Yes
- Added
- Apr 23, 2026
- Source
- awesome
opensource, platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.
How Opik compares
The closest tools in the directory, matched on shared capability rather than category alone.
| Tool | Pricing | API | Open source |
|---|---|---|---|
| Opik | Paid | Not stated | Yes |
| Langfuse | Paid | Not stated | Yes |
| Agenta | Paid | Not stated | Yes |
| Helicone AI | Paid | Not stated | Yes |
| Phoenix | Paid | Not stated | Yes |
Frequently asked
What is Opik used for?
Opik is an open-source LLM evaluation and observability tool from Comet that helps teams trace, evaluate, and debug AI applications. It provides tracing of LLM calls, dataset management, and built-in and custom evaluators for measuring output quality. Designed for ML engineers who need a production-ready evaluation pipeline integrated with their experiment tracking.
Is Opik free?
Opik is Paid. Paid tool. Visit the site to view current pricing plans.
What platforms does Opik run on?
Opik runs on Web. Whether it offers a public API isn't stated, check the vendor's docs before planning an integration.
Is Opik open source?
Yes, Opik publishes its source, so you can self-host it, audit what it does with your data, and avoid per-seat pricing. Browse more open-source options at brofindai.com/tags/open-source.
What are the best alternatives to Opik?
The closest alternatives are Langfuse, Agenta, Helicone AI, Phoenix, all coding & dev tools tools that overlap with Opik on coding, developer, debugging. See the full list at brofindai.com/alternatives/opik.