Braintrust vs Modular Prompt Library
| Braintrust | Modular Prompt Library | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $249/mo | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Web |
| Free plan | Yes | Yes |
| Prompt versioning | Yes | Yes |
| Prompt testing | — | Yes |
| Prompt templates | — | Yes |
| Access controls | — | Yes |
| Model provider support | — | multi-provider |
Both are listed in Best Prompt Management Software. On Inferse, Braintrust scores higher on our published basis.