DeepSeek V3 vs GPT-4o mini

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

DeepSeek V3 is clearly ahead on the aggregate, 25 to 19. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek V3's sharpest advantage is in mathematics, where it averages 90.2 against 8.6. The single biggest benchmark swing on the page is SWE-bench Verified, 42% to 8.7%. GPT-4o mini does hit back in coding, so the answer changes if that is the part of the workload you care about most.

DeepSeek V3 is also the more expensive model on tokens at $0.27 input / $1.10 output per 1M tokens, versus $0.15 input / $0.60 output per 1M tokens for GPT-4o mini.

Quick Verdict

Pick DeepSeek V3 if you want the stronger benchmark profile. GPT-4o mini only becomes the better choice if coding is the priority or you want the cheaper token bill.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

GPT-4o mini

DeepSeek V3

42

GPT-4o mini

48

42%
SWE-bench Verified
8.7%
Coming soon
HumanEval
87.2%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

24.9%
SimpleQA
Coming soon

Knowledge

DeepSeek V3

DeepSeek V3

69.6

GPT-4o mini

40.2

59.1%
GPQA
40.2%
88.5%
MMLU
82%
75.9%
MMLU-Pro
Coming soon

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
IFEval
78.4%

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

DeepSeek V3

DeepSeek V3

90.2

GPT-4o mini

8.6

39.2%
AIME 2024
8.6%
90.2%
MATH-500
Coming soon

Frequently Asked Questions

Which is better, DeepSeek V3 or GPT-4o mini?

DeepSeek V3 is ahead overall, 25 to 19. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 42% and 8.7%.

Which is better for knowledge tasks, DeepSeek V3 or GPT-4o mini?

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 69.6 versus 40.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3 or GPT-4o mini?

GPT-4o mini has the edge for coding in this comparison, averaging 48 versus 42. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V3 or GPT-4o mini?

DeepSeek V3 has the edge for math in this comparison, averaging 90.2 versus 8.6. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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