Best AI Agents
LangSmith vs Vapi
A side-by-side comparison to help you choose.
It is a close call
Both apps score similarly — your choice depends on your priorities below.
Feature comparison
| LangSmith | Vapi | |
|---|---|---|
| Rating | 4.0 / 5 | 4.0 / 5 |
| Pricing | — | — |
| Starting price | — | — |
| Free plan | No | No |
| Offers free trial | No | No |
| Platforms | Web app | Web app |
| Integrations | — | Slack, Microsoft Teams, Zoom |
| Best for | AI engineers, platform teams, SaaS product teams, enterprise automation teams, developers building agents, MLOps and AI infrastructure teams | Enterprise support teams, SaaS product teams, healthcare organizations, marketing agencies, development teams, operations leaders |
| Founded | — | — |
| Company | LangChain | — |