Arize Phoenix vs UpTrain
| Arize Phoenix | UpTrain | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, self-hosted, Web |
| Free plan | Yes | — |
| Evaluation methods | — | preconfigured checks; custom prompt evaluations; custom Python evaluations; model-graded evaluations; classification; chain-of-thought classification; regression testing; experiments |
| Model support | — | OpenAI; Azure; Claude; Mistral; Together AI; Anyscale; Ollama; Hugging Face; Replicate; custom endpoints |
| Safety evaluations | — | Yes |
| Deployment | — | hybrid |
| Prompt versioning | — | Yes |
| API access | — | Yes |
Both are listed in Best AI LLM Evaluation Tools. On Samsung Mobile US Press, Arize Phoenix scores higher on our published basis.