head to head · open source
Temporal vs Prefect
Temporal has 24,138 GitHub stars, 2,068 forks, 956 open issues and last shipped yesterday. Prefect has 24,109 stars, 2,624 forks, 858 open issues and last shipped yesterday. Temporal leads on adoption by 0% (24,138 vs 24,109 stars). Temporal is written in Go under MIT; Prefect is written in Python under Apache-2.0. Temporal has attracted 9% as many forks as stars, Prefect 11%. Temporal was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Temporal | Prefect | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 24K |
| License | MIT | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.1K | ⑂ 2.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Temporal if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Prefect if
- You want the Prefect feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Prefect fits your workflow better
About Temporal
Temporal—durable execution platform Introduction • Getting Started • Contributing • Temporal Docs • Temporal 101 Introduction Temporal is a durable execution platform that enables developers to build scalable applications without sacrificing productivity or reliability. The Temporal server executes units of application logic called Workflows in a resilient manner that automatically handles intermittent failures, and retries failed operations. Temporal is a mature technology that originated as a fork of Uber's Cadence. It is developed by Temporal Technologies, a startup by the creators of…
read the full Temporal overview →
About Prefect
Installation · Quickstart · Build workflows · Deploy workflows · Prefect Cloud Prefect Prefect is a workflow orchestration framework for building data pipelines in Python. It's the simplest way to elevate a script into a production workflow. With Prefect, you can build resilient, dynamic data pipelines that react to the world around them and recover from unexpected changes. With just a few lines of code, data teams can confidently automate any data process with features such as scheduling, caching, retries, and event based automations. Workflow activity is tracked and can be monitored with a self hosted Prefect…
read the full Prefect overview →
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Frequently asked questions
Is Temporal or Prefect more popular?
Temporal has 24,138 GitHub stars and Prefect has 24,109. Temporal has the larger community by that measure.
Are Temporal and Prefect free?
Both are open source. Temporal is licensed under MIT and Prefect under Apache-2.0. Neither carries a licence fee.
What is the difference between Temporal and Prefect?
Temporal is written in Go and Prefect in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Temporal or Prefect?
Choose Temporal if you want the larger community (24,138 stars) or its MIT licence terms. Choose Prefect if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.