Claude Sonnet 4.5 vs Llama 4 Behemoth

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

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 39 (35 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

Llama 4 Behemoth

45.8

95
MMLU
48
93
GPQA
47
91
SuperGPQA
45
89
OpenBookQA
43

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

Llama 4 Behemoth

40

87
HumanEval
40

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

Llama 4 Behemoth

47

97
AIME 2023
48
99
AIME 2024
50
98
AIME 2025
49
93
HMMT Feb 2023
44
95
HMMT Feb 2024
46
94
HMMT Feb 2025
45
96
BRUMO 2025
47

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

Llama 4 Behemoth

45

91
SimpleQA
46
89
MuSR
44

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or Llama 4 Behemoth?

Claude Sonnet 4.5 scores higher overall with 74 vs 39, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or Llama 4 Behemoth?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 45.8.

Which is better for coding, Claude Sonnet 4.5 or Llama 4 Behemoth?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 40.

Which is better for math, Claude Sonnet 4.5 or Llama 4 Behemoth?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 47.

Which is better for reasoning, Claude Sonnet 4.5 or Llama 4 Behemoth?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 45.