Gemini 3 Pro Deep Think vs Llama 3.1 405B

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

Quick Verdict

Gemini 3 Pro Deep Think wins overall with a score of 81 vs 58 (23 point difference).Gemini 3 Pro Deep Think wins 4 out of 4 categories.

Knowledge

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

96

Llama 3.1 405B

68.5

99
MMLU
70
97
GPQA
70
95
SuperGPQA
68
93
OpenBookQA
66

Coding

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

91

Llama 3.1 405B

62

91
HumanEval
62

Mathematics

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

97.1

Llama 3.1 405B

69

99
AIME 2023
70
99
AIME 2024
72
98
AIME 2025
71
95
HMMT Feb 2023
66
97
HMMT Feb 2024
68
96
HMMT Feb 2025
67
96
BRUMO 2025
69

Reasoning

Gemini 3 Pro Deep Think

Gemini 3 Pro Deep Think

94

Llama 3.1 405B

67

95
SimpleQA
68
93
MuSR
66

Frequently Asked Questions

Which is better, Gemini 3 Pro Deep Think or Llama 3.1 405B?

Gemini 3 Pro Deep Think scores higher overall with 81 vs 58, a difference of 23 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Pro Deep Think or Llama 3.1 405B?

Gemini 3 Pro Deep Think leads in knowledge tasks with an average score of 96 vs 68.5.

Which is better for coding, Gemini 3 Pro Deep Think or Llama 3.1 405B?

Gemini 3 Pro Deep Think leads in coding with an average score of 91 vs 62.

Which is better for math, Gemini 3 Pro Deep Think or Llama 3.1 405B?

Gemini 3 Pro Deep Think leads in math with an average score of 97.1 vs 69.

Which is better for reasoning, Gemini 3 Pro Deep Think or Llama 3.1 405B?

Gemini 3 Pro Deep Think leads in reasoning with an average score of 94 vs 67.