Arize Phoenix vs W&B Weave
| Arize Phoenix | W&B Weave | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | $60/mo |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Cost tracking | Yes | Yes |
| Paid from | — | 60 /mo |
Both are listed in Best AI Agent Observability Tools, Best LLM Observability Tools, Best Model Monitoring Software, Best AI LLM Observability Tools. On Samsung Mobile US Press, W&B Weave scores higher on our published basis.