DeepSeek V3.1
Open weights
DeepSeek's August 2025 mid-generation update - a single hybrid model that switches between thinking and non-thinking modes.
- Publisher
- DeepSeek
- Family
- Deepseek V3
- Params
- 671B total / 37B active
- Context
- 128K
- Input
- Output
- License
- MIT
- Released
- 21 Aug 2025
Cite
Notes
Only stored in your browser.
Context
128K
Input
$0.59
/1M tok
Output
$1.69
/1M tok
Blended
$0.86
#301/ 414/1M · 3:1
Speed
0
#221/ 414tok/s
Price & speed via Artificial Analysis · ranked across tracked models
Reported on 12 evals across 8 domains - best 89.7% on AIME 2025: Problems from the American Invitational Mathematics Examination · #12 of 207