Claude Sonnet 4.6 vs GPT-4.1

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

Claude Sonnet 4.6 is clearly ahead on the aggregate, 86 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Sonnet 4.6's sharpest advantage is in mathematics, where it averages 96.4 against 26.4. The single biggest benchmark swing on the page is AIME 2024, 99 to 26.4.

Claude Sonnet 4.6 is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $2.00 input / $8.00 output per 1M tokens for GPT-4.1. GPT-4.1 gives you the larger context window at 1M, compared with 200K for Claude Sonnet 4.6.

Quick Verdict

Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. GPT-4.1 only becomes the better choice if you want the cheaper token bill or you need the larger 1M context window.

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

81.3

GPT-4.1

78.3

99
MMLU
90.2
97
GPQA
66.3
95
SuperGPQA
-
93
OpenBookQA
-
83
MMLU-Pro
-
21
HLE
-

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

72

GPT-4.1

54.6

93
HumanEval
-
69
SWE-bench Verified
54.6
54
LiveCodeBench
-

Mathematics

Claude Sonnet 4.6

Claude Sonnet 4.6

96.4

GPT-4.1

26.4

99
AIME 2023
-
99
AIME 2024
26.4
98
AIME 2025
-
95
HMMT Feb 2023
-
97
HMMT Feb 2024
-
96
HMMT Feb 2025
-
96
BRUMO 2025
-
91
MATH-500
-

Reasoning

Claude Sonnet 4.6
95
SimpleQA
-
93
MuSR
-
88
BBH
-

Instruction Following

Claude Sonnet 4.6

Claude Sonnet 4.6

91

GPT-4.1

87.4

91
IFEval
87.4

Multilingual

Claude Sonnet 4.6
91
MGSM
-

Frequently Asked Questions

Which is better, Claude Sonnet 4.6 or GPT-4.1?

Claude Sonnet 4.6 is ahead overall, 86 to 43. The biggest single separator in this matchup is AIME 2024, where the scores are 99 and 26.4.

Which is better for knowledge tasks, Claude Sonnet 4.6 or GPT-4.1?

Claude Sonnet 4.6 has the edge for knowledge tasks in this comparison, averaging 81.3 versus 78.3. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude Sonnet 4.6 or GPT-4.1?

Claude Sonnet 4.6 has the edge for coding in this comparison, averaging 72 versus 54.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Claude Sonnet 4.6 or GPT-4.1?

Claude Sonnet 4.6 has the edge for math in this comparison, averaging 96.4 versus 26.4. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for instruction following, Claude Sonnet 4.6 or GPT-4.1?

Claude Sonnet 4.6 has the edge for instruction following in this comparison, averaging 91 versus 87.4. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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