LangChain vs LangSmith
| LangChain | LangSmith | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $39/mo | $39/mo |
| Open source | No | No |
| Platforms | api, self-hosted | api, self-hosted, Web |
| Free plan | Yes | Yes |
Both are listed in Best AI Agent Platforms. On Samsung Mobile US Press, LangChain scores higher on our published basis.