Opik
Open-source LLM evaluation and tracing.
Is Opik free?
Yes, Opik has a free plan. What you get: Free. To get it: go to comet.com/site/pricing; then download Opik from GitHub. Open source: the full feature set is free to self-host. Key features: Tracing; Evaluations. Best for AI engineers. What it does: open-source LLM evaluation and tracing. Verified on comet.com.
Free plan at a glance
- Includes
- Free
Open source: the full feature set is free to self-host.
- Duration
- Free forever
How to get it free
- Go to comet.com/site/pricing
- Download Opik from GitHub
comet.com, Checked
Overview
Opik, from Comet, is an open-source AI observability platform for testing, shipping and improving agentic systems.
Key features
- Tracing
- Evaluations
- Agent testing
- Same codebase as hosted
Best for
- People
- AI engineers
Screenshot
FAQ
- Is Opik free?
- Yes. Opik has a free plan: Free. We last checked comet.com's pricing page on 2026-10-18.
- What does the Opik free plan include?
- Free. Source: https://www.comet.com/site/pricing/ (checked 2026-10-18).
- How do I get Opik for free?
- Steps: Go to comet.com/site/pricing; Download Opik from GitHub. Steps last checked 2026-10-18.
- What is the best way to get started with Opik?
- The full Opik feature set is free to use for as long as you like; you can self-host it.Source: comet.com/site/pricing
- Is there a free plan for academics?
- Yes, a free Pro plan for academic users.Source: comet.com/site/pricing
Free alternatives
Neon
Serverless Postgres with branching for dev and AI apps.
Free forever, 100 projects, 100 CU-hrs/project, 1 GB storage
Railway
Deploy apps and databases with simple usage-based billing.
Free credits, 30-day trial with $5 of one-time credits, then the Free plan: $1 of usage credits a month
Weaviate
Open-source vector database with hybrid search.
Free forever, Free Forever $0/mo managed database
Turso
SQLite for production with edge replicas and vector search.
Free forever, Databases and storage included
Firebase
Google's app backend with Gemini AI Logic, auth and database.
Free forever, Free Spark plan
Sources
- Free offer
- Verified on comet.com/site/pricing
…Open Source Download, install, & run Opik your way $0 Free GitHub Full AI observability & agent testing feature set True OSS: same codebase as the…
- Page content
Checked against
Added by our team. We check that a free option exists and record the date; signing up is between you and Opik, so read their privacy policy and terms first.
Is this your tool? Claim it · Promote it
