Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.4 Pro is clearly ahead on the aggregate, 94 to 37. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 Pro's sharpest advantage is in coding, where it averages 89 against 18.7. The single biggest benchmark swing on the page is SWE-bench Verified, 86 to 14.
GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 128K for DeepSeek V3.1 (Reasoning).
Pick GPT-5.4 Pro if you want the stronger benchmark profile. DeepSeek V3.1 (Reasoning) only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
GPT-5.4 Pro
88.8
DeepSeek V3.1 (Reasoning)
31.7
GPT-5.4 Pro
89
DeepSeek V3.1 (Reasoning)
18.7
GPT-5.4 Pro
98
DeepSeek V3.1 (Reasoning)
36.6
GPT-5.4 Pro
96.7
DeepSeek V3.1 (Reasoning)
42
GPT-5.4 Pro
97
DeepSeek V3.1 (Reasoning)
70
GPT-5.4 Pro
97
DeepSeek V3.1 (Reasoning)
64
GPT-5.4 Pro is ahead overall, 94 to 37. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 86 and 14.
GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 88.8 versus 31.7. Inside this category, GPQA is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for coding in this comparison, averaging 89 versus 18.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for math in this comparison, averaging 98 versus 36.6. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for reasoning in this comparison, averaging 96.7 versus 42. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for instruction following in this comparison, averaging 97 versus 70. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-5.4 Pro has the edge for multilingual tasks in this comparison, averaging 97 versus 64. Inside this category, MGSM is the benchmark that creates the most daylight between them.
Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.
Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.