DeepSeek
Hangzhou lab whose V and R series models are released under permissive licences and undercut Western API pricing by an order of magnitude.
Full DeepSeek record →Head to head
DeepSeek (DeepSeek) and ChatGPT (OpenAI) both sit in Writing. ChatGPT shipped more tracked changes in the last 30 days (12 vs 9). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | DeepSeek DeepSeek | ChatGPT OpenAI |
|---|---|---|
| Segment | Writing | Writing |
| Version | DeepSeek-V4.1-Flash | GPT-6 Astra |
| Entry cost | Pay-as-you-go API pricing based on token consumption. No flat monthly fee. | Pricing not published in the provided documentation |
| Pricing tiers | deepseek-flash (Input Cache Hit - Off-Peak) $0.003 · deepseek-flash (Input Cache Hit - Peak) $0.006 · deepseek-flash (Input Cache Miss - Off-Peak) $0.15 · deepseek-flash (Input Cache Miss - Peak) $0.3 · deepseek-flash (Output - Off-Peak) $0.6 · deepseek-flash (Output - Peak) $1.2 | Free Tier free |
| Model stack | DeepSeek-R1 · DeepSeek-V3.2 · deepseek-v4-flash · DeepSeek-V4-Flash-0731 · DeepSeek-V4-Flash-Vision-Exp · DeepSeek-V4-Pro · DeepSeek-V4-Pro-0813 · DeepSeek-V4.1-Flash | GPT Image · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · gpt-6-astra |
| Context window | 1M | 196K tokens on Plus |
| Public API | ||
| Routes models | ||
| Changes / 30d | 9 | 12 |
| Origin | China | Global |
| Capabilities | Reasoning mode, Open weights (MIT), OpenAI-compatible API, Context caching, Function calling, Thinking Mode, Context Caching, JSON Output | Voice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents |
Hangzhou lab whose V and R series models are released under permissive licences and undercut Western API pricing by an order of magnitude.
Full DeepSeek record →The most widely used consumer AI assistant, spanning writing, analysis, images and voice.
Full ChatGPT record →