Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Seed 1.6 Flash is clearly ahead on the aggregate, 56 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Seed 1.6 Flash's sharpest advantage is in multimodal & grounded, where it averages 73.1 against 47.5. The single biggest benchmark swing on the page is MMMU-Pro, 74 to 43.
DeepSeek-R1 is also the more expensive model on tokens at $0.55 input / $2.19 output per 1M tokens, versus $0.08 input / $0.30 output per 1M tokens for Seed 1.6 Flash. That is roughly 7.3x on output cost alone. Seed 1.6 Flash gives you the larger context window at 256K, compared with 128K for DeepSeek-R1.
Pick Seed 1.6 Flash if you want the stronger benchmark profile. DeepSeek-R1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Seed 1.6 Flash
54.5
DeepSeek-R1
44.5
Seed 1.6 Flash
27.6
DeepSeek-R1
21.5
Seed 1.6 Flash
73.1
DeepSeek-R1
47.5
Seed 1.6 Flash
66.8
DeepSeek-R1
50.9
Seed 1.6 Flash
47.3
DeepSeek-R1
37.9
Seed 1.6 Flash
81
DeepSeek-R1
69
Seed 1.6 Flash
72.8
DeepSeek-R1
60.4
Seed 1.6 Flash
67.1
DeepSeek-R1
52.5
Seed 1.6 Flash is ahead overall, 56 to 43. The biggest single separator in this matchup is MMMU-Pro, where the scores are 74 and 43.
Seed 1.6 Flash has the edge for knowledge tasks in this comparison, averaging 47.3 versus 37.9. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for coding in this comparison, averaging 27.6 versus 21.5. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for math in this comparison, averaging 67.1 versus 52.5. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for reasoning in this comparison, averaging 66.8 versus 50.9. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for agentic tasks in this comparison, averaging 54.5 versus 44.5. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 47.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for instruction following in this comparison, averaging 81 versus 69. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Seed 1.6 Flash has the edge for multilingual tasks in this comparison, averaging 72.8 versus 60.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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