Onyx vs SiYuan
Side-by-side comparison of two AI agent tools
O
Onyxopen-source
Open Source AI Platform - AI Chat with advanced features that works with every LLM
S
SiYuanopen-source
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作
Metrics
| Onyx | SiYuan | |
|---|---|---|
| Stars | 32.3k | 46.6k |
| Star velocity /mo | 2.7k | 3.9k |
| Commits (90d) | 1.5k | 4.9k |
| Releases (6m) | 10 | 10 |
| Overall score | 0.8919581564506271 | 0.9271708503527412 |
FAQ
- Which is more popular, Onyx or SiYuan?
- SiYuan has more GitHub stars (46,580 vs 32,300).
- Which is more actively developed, Onyx or SiYuan?
- SiYuan had more commits in the last 90 days (4,873 vs 1,505).
- Should I use Onyx or SiYuan?
- Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.