Choose LangSmith if you need
- Integration with OpenAI SDK, Anthropic SDK or Vercel AI SDK. 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 LangSmith.
- LangSmith's lowest paid plan is Plus at $39 per seat per month, then pay as you go, as of November 14, 2026.
- Opik's lowest paid plan is Pro Cloud at $19 per month, as of November 14, 2026.
- They list no integrations in common.
- Both list SSO.
- Only Opik lists SOC 2, ISO 27001, GDPR and HIPAA.
- Opik has a public API. We haven't confirmed one for LangSmith.
- 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
- Integration with LangChain, OpenAI or CrewAI. We haven't found them on LangSmith's website.
- SOC 2, ISO 27001, GDPR or HIPAA. We haven't found them on LangSmith's website.
LangSmith
Nobody has reviewed LangSmith yet. Its rating shows once it has 3 reviews.
Review LangSmith
Opik
Nobody has reviewed Opik yet. Its rating shows once it has 3 reviews.
Review OpikThe facts
- What it does
- LangSmithComplete AI agent and LLM observability platform with tracing and real-time monitoring.
- OpikAn end-to-end AI observability platform to test, ship, and improve agentic systems.
- Free plan
- LangSmithYes
- OpikYes
- Pricing
- LangSmithNot confirmed
- OpikNot confirmed
- Paid plans from
- LangSmith
What they share
From the platforms and integrations each website lists.
Integrations
BothNone in common
Only LangSmith
- OpenAI SDK
- Anthropic SDK
- Vercel AI SDK
- LlamaIndex
- PagerDuty
- OpenTelemetry
Only Opik
- LangChain
- OpenAI
- CrewAI
- Ragas
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between LangSmith and Opik yet.
Used either of them?
Your review makes this comparison better for the next person. Review LangSmith or review Opik.