Seed 1.6 Flash vs Llama 4 Behemoth

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 40. 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 agentic, where it averages 54.5 against 34.6. The single biggest benchmark swing on the page is MRCRv2, 74 to 46.

Seed 1.6 Flash is the reasoning model in the pair, while Llama 4 Behemoth 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 Flash gives you the larger context window at 256K, compared with 32K for Llama 4 Behemoth.

Quick Verdict

Pick Seed 1.6 Flash if you want the stronger benchmark profile. Llama 4 Behemoth only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.

Agentic

Seed 1.6 Flash

Seed 1.6 Flash

54.5

Llama 4 Behemoth

34.6

52
Terminal-Bench 2.0
33
62
BrowseComp
38
52
OSWorld-Verified
34

Coding

Seed 1.6 Flash

Seed 1.6 Flash

27.6

Llama 4 Behemoth

14.1

59
HumanEval
40
24
SWE-bench Verified
15
25
LiveCodeBench
13
31
SWE-bench Pro
15

Multimodal & Grounded

Seed 1.6 Flash

Seed 1.6 Flash

73.1

Llama 4 Behemoth

55.1

74
MMMU-Pro
60
72
OfficeQA Pro
49

Reasoning

Seed 1.6 Flash

Seed 1.6 Flash

66.8

Llama 4 Behemoth

47.1

61
SimpleQA
46
59
MuSR
44
75
BBH
62
70
LongBench v2
46
74
MRCRv2
46

Knowledge

Seed 1.6 Flash

Seed 1.6 Flash

47.3

Llama 4 Behemoth

36.7

65
MMLU
48
64
GPQA
47
62
SuperGPQA
45
60
OpenBookQA
43
65
MMLU-Pro
54
3
HLE
3
57
FrontierScience
43

Instruction Following

Seed 1.6 Flash

Seed 1.6 Flash

81

Llama 4 Behemoth

68

81
IFEval
68

Multilingual

Seed 1.6 Flash

Seed 1.6 Flash

72.8

Llama 4 Behemoth

62.8

76
MGSM
66
71
MMLU-ProX
61

Mathematics

Seed 1.6 Flash

Seed 1.6 Flash

67.1

Llama 4 Behemoth

52.9

64
AIME 2023
48
66
AIME 2024
50
65
AIME 2025
49
60
HMMT Feb 2023
44
62
HMMT Feb 2024
46
61
HMMT Feb 2025
45
63
BRUMO 2025
47
72
MATH-500
60

Frequently Asked Questions

Which is better, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash is ahead overall, 56 to 40. The biggest single separator in this matchup is MRCRv2, where the scores are 74 and 46.

Which is better for knowledge tasks, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for knowledge tasks in this comparison, averaging 47.3 versus 36.7. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for coding in this comparison, averaging 27.6 versus 14.1. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for math, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for math in this comparison, averaging 67.1 versus 52.9. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for reasoning in this comparison, averaging 66.8 versus 47.1. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for agentic tasks in this comparison, averaging 54.5 versus 34.6. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 73.1 versus 55.1. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for instruction following in this comparison, averaging 81 versus 68. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Seed 1.6 Flash or Llama 4 Behemoth?

Seed 1.6 Flash has the edge for multilingual tasks in this comparison, averaging 72.8 versus 62.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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