LangWatch vs PetalTrace
| LangWatch | PetalTrace | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | €29/mo | Free |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | — |
| Cost tracking | Yes | Yes |
| Session replay | — | Yes |
| Prompt and tool tracing | — | Yes |
| Deployment options | — | self_hosted |
| Agent framework support | — | open_standard |
Both are listed in Best AI Agent Observability Tools. On Samsung Mobile US Press, LangWatch scores higher on our published basis.