Arize Phoenix vs HELM
| Arize Phoenix | HELM | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, self-hosted, Web |
| Free plan | Yes | — |
| Deployment | — | self-hosted |
Both are listed in Best AI LLM Evaluation Tools. On Specifiction, HELM scores higher on our published basis.