Choose Langfuse if you need
- Integration with LiteLLM, Anthropic or OpenRouter. We haven't found them on Opik's website.
At a glance
- Both have a free plan.
- Opik offers a free trial (length not stated). We haven't confirmed one for Langfuse.
- Langfuse's lowest paid plan is Core at $29 per month, as of November 14, 2026.
- Opik's lowest paid plan is Pro Cloud at $19 per month, as of November 14, 2026.
- Both work with OpenAI and LangChain.
- Both list SOC 2, ISO 27001, GDPR, HIPAA and SSO.
- Both have a public API.
- Both can be self-hosted.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Opik if you need
- A lower starting price. Opik Pro Cloud is $19 and Langfuse Core is $29, both per month.
- Integration with CrewAI or Ragas. We haven't found them on Langfuse's website.
Langfuse
Nobody has reviewed Langfuse yet. Its rating shows once it has 3 reviews.
Review Langfuse
Opik
Nobody has reviewed Opik yet. Its rating shows once it has 3 reviews.
Review OpikThe facts
- What it does
- LangfuseTrace, evaluate, and improve AI agents with one open platform.
- OpikAn end-to-end AI observability platform to test, ship, and improve agentic systems.
- Free plan
- LangfuseYes
- OpikYes
- Pricing
- LangfuseNot confirmed
- OpikNot confirmed
- Paid plans from
- Langfuse
What they share
From the platforms and integrations each website lists.
Integrations
Both
- OpenAI
- LangChain
Only Langfuse
- LiteLLM
- Anthropic
- OpenRouter
- PostHog
Only Opik
- CrewAI
- Ragas
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Langfuse and Opik yet.
Used either of them?
Your review makes this comparison better for the next person. Review Langfuse or review Opik.