Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.4 Pro is clearly ahead on the aggregate, 94 to 77. 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 56.7. The single biggest benchmark swing on the page is LiveCodeBench, 86 to 44.
GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 200K for o3-pro.
Pick GPT-5.4 Pro if you want the stronger benchmark profile. o3-pro only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
GPT-5.4 Pro
88.8
o3-pro
75
GPT-5.4 Pro
89
o3-pro
56.7
GPT-5.4 Pro
98
o3-pro
89
GPT-5.4 Pro
96.7
o3-pro
86.3
GPT-5.4 Pro
97
o3-pro
82
GPT-5.4 Pro
97
o3-pro
83
GPT-5.4 Pro is ahead overall, 94 to 77. The biggest single separator in this matchup is LiveCodeBench, where the scores are 86 and 44.
GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 88.8 versus 75. Inside this category, HLE 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 56.7. Inside this category, LiveCodeBench 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 89. 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 86.3. 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 82. 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 83. 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.