head to head · open source
Jan vs magentic
Jan has 44,566 GitHub stars, 3,040 forks, 521 open issues and last shipped yesterday. magentic has 2,425 stars, 127 forks, 50 open issues and last shipped 6 months ago. Jan leads on adoption by 1,738% (44,566 vs 2,425 stars). Jan is written in TypeScript under a custom or non-standard licence; magentic is written in Python under MIT. Jan has attracted 7% as many forks as stars, magentic 5%. Jan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (chatgpt, gpt, llm), 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
| Jan | magentic | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 2.4K |
| License | Custom / other | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-19 | 2026-03-11 |
| Forks | ⑂ 3.0K | ⑂ 127 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Jan if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick magentic if
- You want the magentic feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and magentic fits your workflow better
About Jan
Jan is an open source desktop application that serves as a ChatGPT replacement, enabling users to run large language models (LLMs) locally on their machines or connect to cloud based providers like OpenAI and Anthropic. It is built with Tauri, TypeScript, and integrates llama.cpp for efficient local inference, targeting privacy conscious users who want full control over their AI workflows without sending data to third parties.
About magentic
magentic is an MIT licensed Python library that turns Large Language Model prompts into typed Python functions through the @prompt and @chatprompt decorators, aimed at Python developers who need structured, agentic LLM behavior inside ordinary application code.
read the full magentic overview →
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Frequently asked questions
Is Jan or magentic more popular?
Jan has 44,566 GitHub stars and magentic has 2,425. Jan has the larger community by that measure.
Are Jan and magentic free?
Both are open source. Jan has no licence declared in this registry, and magentic is licensed under MIT. Both are free to self-host.
What is the difference between Jan and magentic?
Jan is written in TypeScript and magentic 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, Jan or magentic?
Choose Jan if you want the larger community (44,566 stars) or its Custom / other licence terms. Choose magentic if its feature set, stack or MIT licence fits better. Both are self-hostable.