GPT-5.2 Instant vs DeepSeekMath V2

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

GPT-5.2 Instant is clearly ahead on the aggregate, 85 to 66. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.2 Instant's sharpest advantage is in coding, where it averages 75.5 against 47.3. The single biggest benchmark swing on the page is SWE-bench Verified, 75 to 45.

Quick Verdict

Pick GPT-5.2 Instant if you want the stronger benchmark profile. DeepSeekMath V2 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

GPT-5.2 Instant

GPT-5.2 Instant

79.6

DeepSeekMath V2

63.9

83
Terminal-Bench 2.0
65
82
BrowseComp
66
74
OSWorld-Verified
61

Coding

GPT-5.2 Instant

GPT-5.2 Instant

75.5

DeepSeekMath V2

47.3

87
HumanEval
72
75
SWE-bench Verified
45
74
LiveCodeBench
44
77
SWE-bench Pro
51

Multimodal & Grounded

GPT-5.2 Instant

GPT-5.2 Instant

93.1

DeepSeekMath V2

68.1

94
MMMU-Pro
64
92
OfficeQA Pro
73

Reasoning

GPT-5.2 Instant

GPT-5.2 Instant

90.9

DeepSeekMath V2

75.9

95
SimpleQA
77
93
MuSR
75
96
BBH
86
89
LongBench v2
75
84
MRCRv2
72

Knowledge

GPT-5.2 Instant

GPT-5.2 Instant

79.8

DeepSeekMath V2

61

98
MMLU
80
97
GPQA
79
95
SuperGPQA
77
93
OpenBookQA
75
88
MMLU-Pro
74
43
HLE
18
91
FrontierScience
73

Instruction Following

GPT-5.2 Instant

GPT-5.2 Instant

95

DeepSeekMath V2

83

95
IFEval
83

Multilingual

GPT-5.2 Instant

GPT-5.2 Instant

94.4

DeepSeekMath V2

82.5

95
MGSM
87
94
MMLU-ProX
80

Mathematics

GPT-5.2 Instant

GPT-5.2 Instant

97.2

DeepSeekMath V2

84

99
AIME 2023
80
99
AIME 2024
82
98
AIME 2025
81
95
HMMT Feb 2023
76
97
HMMT Feb 2024
78
96
HMMT Feb 2025
77
96
BRUMO 2025
79
98
MATH-500
90

Frequently Asked Questions

Which is better, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant is ahead overall, 85 to 66. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 75 and 45.

Which is better for knowledge tasks, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 versus 61. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for coding in this comparison, averaging 75.5 versus 47.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for math in this comparison, averaging 97.2 versus 84. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for reasoning in this comparison, averaging 90.9 versus 75.9. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for agentic tasks in this comparison, averaging 79.6 versus 63.9. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for multimodal and grounded tasks in this comparison, averaging 93.1 versus 68.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for instruction following in this comparison, averaging 95 versus 83. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.2 Instant or DeepSeekMath V2?

GPT-5.2 Instant has the edge for multilingual tasks in this comparison, averaging 94.4 versus 82.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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