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Powerful open-weight reasoning, free in the app and dirt-cheap via API.
Pros
- Completely free consumer chat with no premium paywall
- Open weights enable self-hosting and customization
- Extremely cheap API pricing
Cons
- Data hosted in China raises privacy/compliance concerns
- Fewer polished productivity features and integrations
- Content restrictions on politically sensitive topics
✓ Where it shines / best for
- Cost-sensitive developers needing cheap, capable API access
- Free reasoning-model chat for math, coding, and STEM
- Teams wanting open-weight models to self-host
✕ Not the best fit for
- Organizations with data-residency concerns about China-hosted servers
- Users needing native image/video generation
- Enterprises requiring formal SLAs and Western compliance certifications
Features
- ✓ Free tier
- ✓ Mobile app
- ✓ API access
- ✓ Web search
- ✓ Open source
- ✓ Chat
- ✓ Reasoning
- ✓ Coding
- ✓ Context Caching
- ✓ Low Cost API
- ✓ Math
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free (chat app) | $0 | forever | Free unlimited consumer chat at chat.deepseek.com / mobile app, including the reasoning model |
| API - deepseek-chat input | $0.27 | per 1M tokens (cache miss) | $0.07/1M on cache hit; deepseek-chat (V3-class) model |
| API - deepseek-chat output | $1.10 | per 1M tokens | Output tokens for deepseek-chat |
| API - deepseek-reasoner input | $0.55 | per 1M tokens (cache miss) | $0.14/1M on cache hit; deepseek-reasoner (R1-class) model |
| API - deepseek-reasoner output | $2.19 | per 1M tokens | Output tokens for deepseek-reasoner |
Pricing verified from the official source. Prices change often — confirm on the vendor's site before buying.
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