Claude 3 Haiku vs Llama 3.1 405B

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

Quick Verdict

Llama 3.1 405B wins overall with a score of 58 vs 46 (12 point difference).Llama 3.1 405B wins 4 out of 4 categories.

Knowledge

Llama 3.1 405B

Claude 3 Haiku

54.5

Llama 3.1 405B

68.5

56
MMLU
70
56
GPQA
70
54
SuperGPQA
68
52
OpenBookQA
66

Coding

Llama 3.1 405B

Claude 3 Haiku

48

Llama 3.1 405B

62

48
HumanEval
62

Mathematics

Llama 3.1 405B

Claude 3 Haiku

55

Llama 3.1 405B

69

56
AIME 2023
70
58
AIME 2024
72
57
AIME 2025
71
52
HMMT Feb 2023
66
54
HMMT Feb 2024
68
53
HMMT Feb 2025
67
55
BRUMO 2025
69

Reasoning

Llama 3.1 405B

Claude 3 Haiku

53

Llama 3.1 405B

67

54
SimpleQA
68
52
MuSR
66

Frequently Asked Questions

Which is better, Claude 3 Haiku or Llama 3.1 405B?

Llama 3.1 405B scores higher overall with 58 vs 46, a difference of 12 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or Llama 3.1 405B?

Llama 3.1 405B leads in knowledge tasks with an average score of 68.5 vs 54.5.

Which is better for coding, Claude 3 Haiku or Llama 3.1 405B?

Llama 3.1 405B leads in coding with an average score of 62 vs 48.

Which is better for math, Claude 3 Haiku or Llama 3.1 405B?

Llama 3.1 405B leads in math with an average score of 69 vs 55.

Which is better for reasoning, Claude 3 Haiku or Llama 3.1 405B?

Llama 3.1 405B leads in reasoning with an average score of 67 vs 53.