DeepSeek Reasoner
by NanoGPT · family deepseek-thinking · listed Dec 2025W
DeepSeek reasoning model for multi-step analysis, math, coding, and tools
Current rates USD per 1M tokens
Input$0.40
Output$1.70
Cache read$0.20
Cache write—
Against the market
Input price vs. maker flagships ($/1M tokens)Output price vs. maker flagships ($/1M tokens)On the record
- Model id
deepseek-reasoner- Context window
- 64K tokens
- Max output
- 66K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- no
- Tool calls
- no
- Open weights
- yes
- Knowledge cutoff
- Sep 2025
- Released
- 2025-12-01
- Last updated
- 2026-02-28
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