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CSDN vs 甲子光年
A factual side-by-side comparison of CSDN and 甲子光年. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
CSDN is Freemium; 甲子光年 is Free. If you want to start free, check the free or freemium option first; otherwise compare the categories and taglines below.
| Pricing | Freemium | Free |
|---|---|---|
| Categories | Dev Communities / AI Media | AI Media |
| Best for | China's veteran IT developer community | Tech-industry think tank publishing in-depth AI reports |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | www.csdn.net | www.jazzyear.com |