Side by side
Flyte vs Prefect
Both stand on workflow orchestration software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source APILinuxSelf-hosted+1
Pick Flyte if you want a Python-based runtime for durable AI workflows and need local or cluster deployment. The free OSS plan provides the runtime, while teams needing the listed Team capacity, retention, or support should account for the monthly minimum plus usage; Enterprise pricing is custom.
Visit Flyte Free plan APISelf-hostedWeb
Prefect combines Python-based workflow creation with monitoring, scheduling, and several execution models. The free Hobby plan has defined user, deployment, and retention limits; paid plans start at $100/mo.
Visit PrefectThe facts
| Flyte | Prefect | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Not published |
| Runs on | API, Linux, Self-hosted, Web | API, Self-hosted, Web |
| Lowest paid plan | See the plans | Starter: $100 a month |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | flyte.org | prefect.io |
| On workflow orchestration software | #3 of 38 | #22 of 38 |
Flyte: what it does well
- Free Apache 2.0 runtime for local or cluster use.
- Workflows use Python async functions and TaskEnvironment declarations.
- Resumes failed tasks and recovers from listed infrastructure failures.
- Supports dynamic branching, loops, and runtime decisions.
- Integrates with serving frameworks and AI, data, and ML tools.
What to know first
- Team costs $950 a month plus usage.
- Team limits runs to 25,000 fanout actions and 1,000 concurrent actions.
- Team includes one cluster and 30-day data retention.
- Enterprise pricing is custom.
Prefect: what it does well
- Build workflows from Python with decorators.
- Retries, caching, and failure recovery are included.
- Supports cron and event-driven scheduling.
- Offers managed, hybrid, and self-hosted execution.
- Open-source engine uses the Apache 2.0 license.
What to know first
- Hobby is limited to 2 users.
- Hobby retains runs for 7 days.
- Hobby includes 5 deployments.
- Team costs $100/user/mo.
Alternatives to Flyte Alternatives to Prefect The whole list