benchlm.ai

GPT-5.1-Codex-Max vs Llama 3 70B

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

Quick Verdict

GPT-5.1-Codex-Max wins overall with a score of 77 vs 48 (29 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

GPT-5.1-Codex-Max

CreatorOpenAI
TypeProprietary
Context400K
Score77

Llama 3 70B

CreatorMeta
TypeOpen Weight
Context128K
Score48

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Llama 3 70B

56.5

98
MMLU
58
96
GPQA
58
94
SuperGPQA
56
92
OpenBookQA
54

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Llama 3 70B

50

94
HumanEval
50

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Llama 3 70B

57

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

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Llama 3 70B

55

94
SimpleQA
56
92
MuSR
54

Frequently Asked Questions

Which is better, GPT-5.1-Codex-Max or Llama 3 70B?

GPT-5.1-Codex-Max scores higher overall with 77 vs 48, a difference of 29 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.1-Codex-Max or Llama 3 70B?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 56.5.

Which is better for coding, GPT-5.1-Codex-Max or Llama 3 70B?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 50.

Which is better for math, GPT-5.1-Codex-Max or Llama 3 70B?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 57.

Which is better for reasoning, GPT-5.1-Codex-Max or Llama 3 70B?

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 55.

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