Llama 4 Behemoth vs Qwen3.5 397B

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Qwen3.5 397B wins overall with a score of 65 vs 39 (26 point difference).Qwen3.5 397B wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B

Llama 4 Behemoth

45.8

Qwen3.5 397B

80.8

48
MMLU
83
47
GPQA
82
45
SuperGPQA
80
43
OpenBookQA
78

Coding

Qwen3.5 397B

Llama 4 Behemoth

40

Qwen3.5 397B

75

40
HumanEval
75

Mathematics

Qwen3.5 397B

Llama 4 Behemoth

47

Qwen3.5 397B

82

48
AIME 2023
83
50
AIME 2024
85
49
AIME 2025
84
44
HMMT Feb 2023
79
46
HMMT Feb 2024
81
45
HMMT Feb 2025
80
47
BRUMO 2025
82

Reasoning

Qwen3.5 397B

Llama 4 Behemoth

45

Qwen3.5 397B

79

46
SimpleQA
80
44
MuSR
78

Frequently Asked Questions

Which is better, Llama 4 Behemoth or Qwen3.5 397B?

Qwen3.5 397B scores higher overall with 65 vs 39, a difference of 26 points across all benchmarks.

Which is better for knowledge tasks, Llama 4 Behemoth or Qwen3.5 397B?

Qwen3.5 397B leads in knowledge tasks with an average score of 80.8 vs 45.8.

Which is better for coding, Llama 4 Behemoth or Qwen3.5 397B?

Qwen3.5 397B leads in coding with an average score of 75 vs 40.

Which is better for math, Llama 4 Behemoth or Qwen3.5 397B?

Qwen3.5 397B leads in math with an average score of 82 vs 47.

Which is better for reasoning, Llama 4 Behemoth or Qwen3.5 397B?

Qwen3.5 397B leads in reasoning with an average score of 79 vs 45.