Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Seed 1.6 is clearly ahead on the aggregate, 65 to 37. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Seed 1.6's sharpest advantage is in multimodal & grounded, where it averages 79.6 against 41.6. The single biggest benchmark swing on the page is MMMU-Pro, 80 to 38.
Seed 1.6 is the reasoning model in the pair, while Qwen3 235B 2507 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 1.6 gives you the larger context window at 256K, compared with 128K for Qwen3 235B 2507.
Pick Seed 1.6 if you want the stronger benchmark profile. Qwen3 235B 2507 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Seed 1.6
62.3
Qwen3 235B 2507
33.7
Seed 1.6
42.4
Qwen3 235B 2507
14.6
Seed 1.6
79.6
Qwen3 235B 2507
41.6
Seed 1.6
74.5
Qwen3 235B 2507
45.6
Seed 1.6
56.4
Qwen3 235B 2507
31.9
Seed 1.6
87
Qwen3 235B 2507
69
Seed 1.6
83.4
Qwen3 235B 2507
60.4
Seed 1.6
75.9
Qwen3 235B 2507
46.6
Seed 1.6 is ahead overall, 65 to 37. The biggest single separator in this matchup is MMMU-Pro, where the scores are 80 and 38.
Seed 1.6 has the edge for knowledge tasks in this comparison, averaging 56.4 versus 31.9. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for coding in this comparison, averaging 42.4 versus 14.6. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for math in this comparison, averaging 75.9 versus 46.6. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for reasoning in this comparison, averaging 74.5 versus 45.6. Inside this category, MuSR is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for agentic tasks in this comparison, averaging 62.3 versus 33.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 versus 41.6. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for instruction following in this comparison, averaging 87 versus 69. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Seed 1.6 has the edge for multilingual tasks in this comparison, averaging 83.4 versus 60.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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