AWS Step Functions vs Prefect
| AWS Step Functions | Prefect | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $100/mo |
| Open source | No | No |
| Platforms | api, Web | api, self-hosted, Web |
| Free plan | Yes | Yes |
| Visual workflow builder | Yes | No |
| Event triggers | Yes | Yes |
| Automatic retries | Yes | Yes |
| Execution observability | Yes | Yes |
| Deployment model | cloud | hybrid |
| Human approvals | Yes | Yes |
| Paid from | — | 100 /mo |
Both are listed in Best Workflow Orchestration Software. On Everything Xiaomi, Prefect scores higher on our published basis.