- Both have a free plan.
- Opik offers a free trial (length not stated). We haven't confirmed one for PromptLayer.
- Opik's lowest paid plan is Pro Cloud at $19 per month, as of November 14, 2026.
- PromptLayer's lowest paid plan is Pro at $49 per month, as of November 14, 2026.
- They list no integrations in common.
- Both list SOC 2, GDPR, HIPAA and SSO.
- Only Opik lists ISO 27001.
- 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.
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
- A lower starting price. Opik Pro Cloud is $19 and PromptLayer Pro is $49, both per month.
- Integration with LangChain, OpenAI or CrewAI. We haven't found them on PromptLayer's website.
- ISO 27001. We haven't found it on PromptLayer's website.
- Integration with Claude Code. We haven't found it on Opik's website.
No reviews yetNobody has reviewed Opik yet. Its rating shows once it has 3 reviews.
Review OpikNo reviews yetNobody has reviewed PromptLayer yet. Its rating shows once it has 3 reviews.
Review PromptLayerOpikPromptLayer
- What it does
- OpikAn end-to-end AI observability platform to test, ship, and improve agentic systems.
- PromptLayerThe prompt CMS, eval harness, and observability stack for AI engineering teams.
- Free plan
- OpikYes
- PromptLayerYes
- Pricing
- OpikNot confirmed
- PromptLayerNot confirmed
- Paid plans from
- Opik
From the platforms and integrations each website lists.
Integrations
BothNone in common
Only Opik- LangChain
- OpenAI
- CrewAI
- Ragas
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Opik and PromptLayer yet.
Used either of them?
Your review makes this comparison better for the next person. Review Opik or review PromptLayer.