DeepSeek Coder 2.0 vs DeepSeek V3.1 (Reasoning)

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

DeepSeek Coder 2.0 wins overall with a score of 64 vs 25 (39 point difference).DeepSeek Coder 2.0 wins 4 out of 4 categories.

Knowledge

DeepSeek Coder 2.0

DeepSeek Coder 2.0

77.8

DeepSeek V3.1 (Reasoning)

31.8

80
MMLU
34
79
GPQA
33
77
SuperGPQA
31
75
OpenBookQA
29

Coding

DeepSeek Coder 2.0

DeepSeek Coder 2.0

82

DeepSeek V3.1 (Reasoning)

26

82
HumanEval
26

Mathematics

DeepSeek Coder 2.0

DeepSeek Coder 2.0

80

DeepSeek V3.1 (Reasoning)

33

81
AIME 2023
34
83
AIME 2024
36
82
AIME 2025
35
77
HMMT Feb 2023
30
79
HMMT Feb 2024
32
78
HMMT Feb 2025
31
80
BRUMO 2025
33

Reasoning

DeepSeek Coder 2.0

DeepSeek Coder 2.0

77

DeepSeek V3.1 (Reasoning)

31

78
SimpleQA
32
76
MuSR
30

Frequently Asked Questions

Which is better, DeepSeek Coder 2.0 or DeepSeek V3.1 (Reasoning)?

DeepSeek Coder 2.0 scores higher overall with 64 vs 25, a difference of 39 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek Coder 2.0 or DeepSeek V3.1 (Reasoning)?

DeepSeek Coder 2.0 leads in knowledge tasks with an average score of 77.8 vs 31.8.

Which is better for coding, DeepSeek Coder 2.0 or DeepSeek V3.1 (Reasoning)?

DeepSeek Coder 2.0 leads in coding with an average score of 82 vs 26.

Which is better for math, DeepSeek Coder 2.0 or DeepSeek V3.1 (Reasoning)?

DeepSeek Coder 2.0 leads in math with an average score of 80 vs 33.

Which is better for reasoning, DeepSeek Coder 2.0 or DeepSeek V3.1 (Reasoning)?

DeepSeek Coder 2.0 leads in reasoning with an average score of 77 vs 31.