Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
o3-pro is clearly ahead on the aggregate, 71 to 63. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o3-pro's sharpest advantage is in agentic, where it averages 70.4 against 55.1. The single biggest benchmark swing on the page is GPQA, 89 to 70. Seed-2.0-Lite does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.
o3-pro is the reasoning model in the pair, while Seed-2.0-Lite is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Seed-2.0-Lite gives you the larger context window at 256K, compared with 200K for o3-pro.
Pick o3-pro if you want the stronger benchmark profile. Seed-2.0-Lite only becomes the better choice if instruction following is the priority or you need the larger 256K context window.
o3-pro
70.4
Seed-2.0-Lite
55.1
o3-pro
49.2
Seed-2.0-Lite
41.4
o3-pro
74.1
Seed-2.0-Lite
79.6
o3-pro
83.6
Seed-2.0-Lite
73
o3-pro
67.1
Seed-2.0-Lite
53.9
o3-pro
82
Seed-2.0-Lite
89
o3-pro
81.1
Seed-2.0-Lite
82.5
o3-pro
89
Seed-2.0-Lite
75
o3-pro is ahead overall, 71 to 63. The biggest single separator in this matchup is GPQA, where the scores are 89 and 70.
o3-pro has the edge for knowledge tasks in this comparison, averaging 67.1 versus 53.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
o3-pro has the edge for coding in this comparison, averaging 49.2 versus 41.4. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
o3-pro has the edge for math in this comparison, averaging 89 versus 75. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
o3-pro has the edge for reasoning in this comparison, averaging 83.6 versus 73. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
o3-pro has the edge for agentic tasks in this comparison, averaging 70.4 versus 55.1. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 versus 74.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for instruction following in this comparison, averaging 89 versus 82. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Seed-2.0-Lite has the edge for multilingual tasks in this comparison, averaging 82.5 versus 81.1. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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