PromptSource vs TextGrad
| PromptSource | TextGrad | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Linux, self-hosted |
| Prompt testing | Yes | Yes |
| Free plan | — | Yes |
| Model support | — | multiple |
| Optimization mode | — | automated |
| Prompt variables | — | Yes |
| API access | — | Yes |
Both are listed in Best AI Prompt Generators. On Specifiction, TextGrad scores higher on our published basis.