DeepSeek V3.1 Reasoner
LatestDeepSeek
•
Open Source•
840B# 1
Released
Aug 21, 2025
# 11
Context Length
128K
Benchmarks
# 6
Code RankedAGI
75.6%
# 5
Aider Polyglot
76.3%
# 4
LiveCodeBench v5
74.8%
# 4
Codeforces ELO
2091
# 17
GPQA Diamond
80.1%
# 16
AIME 2025 I & II
88.4%
# 14
Humanity Last Exam
15.9%
# 1
MMLU Pro
84.8%
# 1
MMLU
93.7%
# 5
AIME 2024
93.1%
Pricing
# 20
Input Cost /M
$0.56
# 22
Output Cost /M
$1.68
# 6
Cached Cost /M
$0.07
Additional Details
Model ID
deepseek-reasoner
Last Updated
2 days ago