Claude Sonnet 4.5 vs Llama 3 70B

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 48 (26 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

Llama 3 70B

56.5

95
MMLU
58
93
GPQA
58
91
SuperGPQA
56
89
OpenBookQA
54

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

Llama 3 70B

50

87
HumanEval
50

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

Llama 3 70B

57

97
AIME 2023
58
99
AIME 2024
60
98
AIME 2025
59
93
HMMT Feb 2023
54
95
HMMT Feb 2024
56
94
HMMT Feb 2025
55
96
BRUMO 2025
57

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

Llama 3 70B

55

91
SimpleQA
56
89
MuSR
54

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or Llama 3 70B?

Claude Sonnet 4.5 scores higher overall with 74 vs 48, a difference of 26 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or Llama 3 70B?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 56.5.

Which is better for coding, Claude Sonnet 4.5 or Llama 3 70B?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 50.

Which is better for math, Claude Sonnet 4.5 or Llama 3 70B?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 57.

Which is better for reasoning, Claude Sonnet 4.5 or Llama 3 70B?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 55.