Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Grok 4 finishes one point ahead overall, 66 to 65. That is enough to call, but not enough to treat as a blowout. This matchup comes down to a few meaningful edges rather than one model dominating the board.
Grok 4's sharpest advantage is in mathematics, where it averages 85.1 against 75.9. The single biggest benchmark swing on the page is HMMT Feb 2023, 84 to 68. Seed 1.6 does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.
Seed 1.6 is the reasoning model in the pair, while Grok 4 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 Grok 4.
Pick Grok 4 if you want the stronger benchmark profile. Seed 1.6 only becomes the better choice if instruction following is the priority or you need the larger 256K context window.
Grok 4
58.1
Seed 1.6
62.3
Grok 4
43.1
Seed 1.6
42.4
Grok 4
78.2
Seed 1.6
79.6
Grok 4
77.4
Seed 1.6
74.5
Grok 4
63.8
Seed 1.6
56.4
Grok 4
82
Seed 1.6
87
Grok 4
80.8
Seed 1.6
83.4
Grok 4
85.1
Seed 1.6
75.9
Grok 4 is ahead overall, 66 to 65. The biggest single separator in this matchup is HMMT Feb 2023, where the scores are 84 and 68.
Grok 4 has the edge for knowledge tasks in this comparison, averaging 63.8 versus 56.4. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Grok 4 has the edge for coding in this comparison, averaging 43.1 versus 42.4. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Grok 4 has the edge for math in this comparison, averaging 85.1 versus 75.9. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.
Grok 4 has the edge for reasoning in this comparison, averaging 77.4 versus 74.5. Inside this category, SimpleQA 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 58.1. 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 78.2. Inside this category, OfficeQA 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 82. 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 80.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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