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DeepSeek vs Gemini 3.5 Flash
A factual side-by-side comparison of DeepSeek and Gemini 3.5 Flash. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
DeepSeek is Free; Gemini 3.5 Flash is Freemium. If you want to start free, check the free or freemium option first; otherwise compare the categories and taglines below.
| Pricing | Free | Freemium |
|---|---|---|
| Categories | AI Chat / Coding | AI Chat |
| Best for | China's open-source value king with frontier reasoning | Gemini 3.5 Flash — AI Chat powered by AI |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | chat.deepseek.com | deepmind.google |