DeepSeek
DeepSeek Reasoner
DeepSeek reasoning model for multi-step analysis, math, coding, and tools
deepseek/deepseek-reasoner
Context
1M
Output
384K
Released
2025-12-01
Knowledge cutoff
2025-09
Types
InputText
OutputText
Reasoning
Supported
Tool use
Supported
Structured output
—
Attachments
Supported
Open weights
Supported
Provider pricing
OrcaRouter
InText
OutText
- Price
- $0.15 / $0.30
- Context
- 1M
- Status
- Stable
Benchmarks
Aider Polyglot
74.2 · percent correct
From the same lab
DeepSeek V4.1 Flash
deepseek/deepseek-v4.1-flash
DeepSeek V4 Flash Vision Exp
deepseek/deepseek-v4-flash-vision-exp
DeepSeek V4 Pro 0813
deepseek/deepseek-v4-pro-0813
DeepSeek V4 Flash 0731
deepseek/deepseek-v4-flash-0731
DeepSeek V4 Flash
deepseek/deepseek-v4-flash
DeepSeek V4 Pro
deepseek/deepseek-v4-pro
DeepSeek V4 Flash 0423
deepseek/deepseek-v4-flash-0423
DeepSeek V4 Pro 0423
deepseek/deepseek-v4-pro-0423