head to head · open source
Jan vs agentscope
Jan has 45,409 GitHub stars, 3,145 forks, 521 open issues and last shipped yesterday. agentscope has 35,340 stars, 3,782 forks, 369 open issues and last shipped yesterday. Jan leads on adoption by 28% (45,409 vs 35,340 stars). Jan is written in Rust under a custom or non-standard licence; agentscope is written in Python under Apache-2.0. Jan has attracted 7% as many forks as stars, agentscope 11%. Jan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | agentscope | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 35K |
| License | Custom / other | Apache-2.0 |
| Written in | Rust | Python |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 3.1K | ⑂ 3.8K |
| 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 Rust
- You value the larger contributor base for long-term maintenance
pick agentscope if
- You want the agentscope 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 agentscope fits your workflow better
About Jan
Jan Open source ChatGPT replacement English · 中文 · 日本語 Getting Started Community Changelog Bug reports Jan is bringing the best of open source AI in an easy to use product. Download and run LLMs with full control and privacy . Installation The easiest way to get started is by downloading one of the following versions for your respective operating system: Platform Download Windows jan.exe macOS jan.dmg Linux (deb) jan.deb Linux (AppImage) jan.AppImage Linux (Arm64) How to Download from jan.ai or GitHub Releases. Features Local AI Models : Download and run LLMs (Llama, Gemma, Qwen, GPT oss etc.) from HuggingFace…
About agentscope
中文主页 Documentation Roadmap What is AgentScope 2.0? AgentScope 2.0 is a production ready, easy to use agent framework with essential abstractions that keep up with rising model capability. We design for increasingly agentic LLMs. Our approach leverages the models' reasoning and tool use abilities rather than constraining them with strict prompts and opinionated orchestrations. News [2026 09] FEAT : agentscope skill now supports AgentScope v2. [2026 09] INTE : Support DashScope, OpenAI, Gemini and xAI realtime APIs in RealtimeAgent . Example Docs [2026 09] FEAT Experimental : Realtime voice agent supported…
read the full agentscope overview →
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Frequently asked questions
Is Jan or agentscope more popular?
Jan has 45,409 GitHub stars and agentscope has 35,340. Jan has the larger community by that measure.
Are Jan and agentscope free?
Both are open source. Jan has no licence declared in this registry, and agentscope is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Jan and agentscope?
Jan is written in Rust and agentscope 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 agentscope?
Choose Jan if you want the larger community (45,409 stars) or its Custom / other licence terms. Choose agentscope if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.