DeepSeek LLM 2.0 vs GPT-4.1

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

DeepSeek LLM 2.0 is clearly ahead on the aggregate, 70 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek LLM 2.0's sharpest advantage is in mathematics, where it averages 79.5 against 26.4. The single biggest benchmark swing on the page is AIME 2024, 82 to 26.4. GPT-4.1 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

GPT-4.1 gives you the larger context window at 1M, compared with 128K for DeepSeek LLM 2.0.

Quick Verdict

Pick DeepSeek LLM 2.0 if you want the stronger benchmark profile. GPT-4.1 only becomes the better choice if knowledge is the priority or you need the larger 1M context window.

Knowledge

GPT-4.1

DeepSeek LLM 2.0

65.2

GPT-4.1

78.3

79
MMLU
90.2
78
GPQA
66.3
76
SuperGPQA
-
74
OpenBookQA
-
72
MMLU-Pro
-
12
HLE
-

Coding

GPT-4.1

DeepSeek LLM 2.0

52.7

GPT-4.1

54.6

73
HumanEval
-
46
SWE-bench Verified
54.6
39
LiveCodeBench
-

Mathematics

DeepSeek LLM 2.0

DeepSeek LLM 2.0

79.5

GPT-4.1

26.4

80
AIME 2023
-
82
AIME 2024
26.4
81
AIME 2025
-
76
HMMT Feb 2023
-
78
HMMT Feb 2024
-
77
HMMT Feb 2025
-
79
BRUMO 2025
-
83
MATH-500
-

Reasoning

DeepSeek LLM 2.0
77
SimpleQA
-
75
MuSR
-
81
BBH
-

Instruction Following

GPT-4.1

DeepSeek LLM 2.0

85

GPT-4.1

87.4

85
IFEval
87.4

Multilingual

DeepSeek LLM 2.0
82
MGSM
-

Frequently Asked Questions

Which is better, DeepSeek LLM 2.0 or GPT-4.1?

DeepSeek LLM 2.0 is ahead overall, 70 to 43. The biggest single separator in this matchup is AIME 2024, where the scores are 82 and 26.4.

Which is better for knowledge tasks, DeepSeek LLM 2.0 or GPT-4.1?

GPT-4.1 has the edge for knowledge tasks in this comparison, averaging 78.3 versus 65.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek LLM 2.0 or GPT-4.1?

GPT-4.1 has the edge for coding in this comparison, averaging 54.6 versus 52.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek LLM 2.0 or GPT-4.1?

DeepSeek LLM 2.0 has the edge for math in this comparison, averaging 79.5 versus 26.4. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for instruction following, DeepSeek LLM 2.0 or GPT-4.1?

GPT-4.1 has the edge for instruction following in this comparison, averaging 87.4 versus 85. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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