head to head · open source
Prefect vs oh-my-opencode-slim
Prefect has 23,882 GitHub stars, 2,527 forks, 858 open issues and last shipped today. oh-my-opencode-slim has 8,966 stars, 534 forks, 53 open issues and last shipped today. Prefect leads on adoption by 166% (23,882 vs 8,966 stars). Prefect is written in Python under Apache-2.0; oh-my-opencode-slim is written in TypeScript under MIT. Prefect has attracted 11% as many forks as stars, oh-my-opencode-slim 6%. oh-my-opencode-slim was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (orchestration), so they are genuine substitutes rather than adjacent tools.
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
| Prefect | oh-my-opencode-slim | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 9.0K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 2.5K | ⑂ 534 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prefect if
- You weight community size — 24K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick oh-my-opencode-slim if
- You want the oh-my-opencode-slim feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and oh-my-opencode-slim fits your workflow better
About Prefect
Prefect is an open source, Python native workflow orchestration framework that lets data and machine learning teams turn ordinary Python scripts into scheduled, resilient, observable production pipelines.
read the full Prefect overview →
About oh-my-opencode-slim
oh my opencode slim is an MIT licensed TypeScript agent orchestration plugin for OpenCode that replaces the single model does everything approach with a built in team of seven specialized agents — Orchestrator, Explorer, Oracle, Council, Librarian, Designer, and Fixer — and it is aimed at developers who already use OpenCode and want to mix models across providers while delegating scoped work automatically.
read the full oh-my-opencode-slim overview →
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Frequently asked questions
Is Prefect or oh-my-opencode-slim more popular?
Prefect has 23,882 GitHub stars and oh-my-opencode-slim has 8,966. Prefect has the larger community by that measure.
Are Prefect and oh-my-opencode-slim free?
Both are open source. Prefect is licensed under Apache-2.0 and oh-my-opencode-slim under MIT. Neither carries a licence fee.
What is the difference between Prefect and oh-my-opencode-slim?
Prefect is written in Python and oh-my-opencode-slim in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prefect or oh-my-opencode-slim?
Choose Prefect if you want the larger community (23,882 stars) or its Apache-2.0 licence terms. Choose oh-my-opencode-slim if its feature set, stack or MIT licence fits better. Both are self-hostable.