Compare DevTools
Onlook vs LangSmith
Onlook vs LangSmith: compare pricing, use cases, AI models, integrations, privacy, governance and best fit by context.
Onlook vs LangSmith : buying comparison
This comparison helps choose between Onlook and LangSmith by pricing, use case, models, integration, privacy and governance.
Budget: Onlook · Free self-hosted. Rating: LangSmith · 4.5/5.
| Criteria | Onlook | LangSmith |
|---|---|---|
| Price | Free self-hosted | $0+ usage |
| Best for | Designers and frontend teams visually editing real code with AI | Tracing, debugging, evaluating and monitoring LangChain and agent applications |
| Models | Visual code editor, DOM editing, AI-assisted website and prototype workflows | Traces, datasets, experiments, evaluators, prompt iteration, cost tracking and production monitoring |
| Privacy | Open-source self-hosting plus hosted cloud options | Hosted platform with enterprise and self-host/hybrid options for larger organizations |
| Rating | 4/5 | 4.5/5 |
Frequently asked questions
Onlook or LangSmith: which one should you choose?
Choose Onlook if entry budget is the priority. Choose LangSmith if perceived maturity and overall rating matter more. The final test should still be based on your repository.
Do Onlook and LangSmith cover the same need?
Not exactly. Compare the real workflow: IDE, terminal, governance, code review or app generation.
How can teams run a fair test?
Use the same ticket, same repository and same data constraints, then measure saved time, errors, diff quality and monthly cost.