DeepSeek V3.1 (Reasoning) vs Z-1

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

Quick Verdict

Z-1 wins overall with a score of 43 vs 25 (18 point difference).Z-1 wins 4 out of 4 categories.

Knowledge

Z-1

DeepSeek V3.1 (Reasoning)

31.8

Z-1

49.8

34
MMLU
52
33
GPQA
51
31
SuperGPQA
49
29
OpenBookQA
47

Coding

Z-1

DeepSeek V3.1 (Reasoning)

26

Z-1

44

26
HumanEval
44

Mathematics

Z-1

DeepSeek V3.1 (Reasoning)

33

Z-1

51

34
AIME 2023
52
36
AIME 2024
54
35
AIME 2025
53
30
HMMT Feb 2023
48
32
HMMT Feb 2024
50
31
HMMT Feb 2025
49
33
BRUMO 2025
51

Reasoning

Z-1

DeepSeek V3.1 (Reasoning)

31

Z-1

49

32
SimpleQA
50
30
MuSR
48

Frequently Asked Questions

Which is better, DeepSeek V3.1 (Reasoning) or Z-1?

Z-1 scores higher overall with 43 vs 25, a difference of 18 points across all benchmarks.

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

Z-1 leads in knowledge tasks with an average score of 49.8 vs 31.8.

Which is better for coding, DeepSeek V3.1 (Reasoning) or Z-1?

Z-1 leads in coding with an average score of 44 vs 26.

Which is better for math, DeepSeek V3.1 (Reasoning) or Z-1?

Z-1 leads in math with an average score of 51 vs 33.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or Z-1?

Z-1 leads in reasoning with an average score of 49 vs 31.