DeepSeek V3 vs o4-mini (high)

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

o4-mini (high) is clearly ahead on the aggregate, 39 to 25. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o4-mini (high)'s sharpest advantage is in reasoning, where it averages 78.9 against 24.9. The single biggest benchmark swing on the page is SimpleQA, 24.9% to 80%. DeepSeek V3 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

o4-mini (high) gives you the larger context window at 200K, compared with 128K for DeepSeek V3.

Quick Verdict

Pick o4-mini (high) if you want the stronger benchmark profile. DeepSeek V3 only becomes the better choice if knowledge is the priority.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

o4-mini (high)

DeepSeek V3

42

o4-mini (high)

74

42%
SWE-bench Verified
Coming soon
Coming soon
HumanEval
74%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

o4-mini (high)

DeepSeek V3

24.9

o4-mini (high)

78.9

24.9%
SimpleQA
80%
Coming soon
MuSR
78%

Knowledge

DeepSeek V3

DeepSeek V3

69.6

o4-mini (high)

52.1

59.1%
GPQA
81.4%
88.5%
MMLU
93%
75.9%
MMLU-Pro
Coming soon
Coming soon
SuperGPQA
80%
Coming soon
OpenBookQA
78%
Coming soon
HLE
17.7%

Instruction Following

Coming soon

Benchmark data for this category is coming soon.

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

DeepSeek V3

DeepSeek V3

90.2

o4-mini (high)

82

39.2%
AIME 2024
93.4%
90.2%
MATH-500
Coming soon
Coming soon
AIME 2023
83%
Coming soon
AIME 2025
99.5%
Coming soon
HMMT Feb 2023
79%
Coming soon
HMMT Feb 2024
81%
Coming soon
HMMT Feb 2025
80%
Coming soon
BRUMO 2025
82%

Frequently Asked Questions

Which is better, DeepSeek V3 or o4-mini (high)?

o4-mini (high) is ahead overall, 39 to 25. The biggest single separator in this matchup is SimpleQA, where the scores are 24.9% and 80%.

Which is better for knowledge tasks, DeepSeek V3 or o4-mini (high)?

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 69.6 versus 52.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3 or o4-mini (high)?

o4-mini (high) has the edge for coding in this comparison, averaging 74 versus 42. DeepSeek V3 stays close enough that the answer can still flip depending on your workload.

Which is better for math, DeepSeek V3 or o4-mini (high)?

DeepSeek V3 has the edge for math in this comparison, averaging 90.2 versus 82. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for reasoning, DeepSeek V3 or o4-mini (high)?

o4-mini (high) has the edge for reasoning in this comparison, averaging 78.9 versus 24.9. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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