benchlm.ai

Claude Opus 4.5 vs Gemini 3.1 Flash-Lite

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 53 (26 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Claude Opus 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score79

Gemini 3.1 Flash-Lite

CreatorGoogle
TypeProprietary
Context1M
Score53

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

Gemini 3.1 Flash-Lite

60.8

99
MMLU
63
97
GPQA
62
95
SuperGPQA
60
93
OpenBookQA
58

Coding

Claude Opus 4.5

Claude Opus 4.5

91

Gemini 3.1 Flash-Lite

55

91
HumanEval
55

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

Gemini 3.1 Flash-Lite

62

99
AIME 2023
63
99
AIME 2024
65
98
AIME 2025
64
95
HMMT Feb 2023
59
97
HMMT Feb 2024
61
96
HMMT Feb 2025
60
96
BRUMO 2025
62

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

Gemini 3.1 Flash-Lite

59

95
SimpleQA
60
93
MuSR
58

Frequently Asked Questions

Which is better, Claude Opus 4.5 or Gemini 3.1 Flash-Lite?

Claude Opus 4.5 scores higher overall with 79 vs 53, a difference of 26 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or Gemini 3.1 Flash-Lite?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 60.8.

Which is better for coding, Claude Opus 4.5 or Gemini 3.1 Flash-Lite?

Claude Opus 4.5 leads in coding with an average score of 91 vs 55.

Which is better for math, Claude Opus 4.5 or Gemini 3.1 Flash-Lite?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 62.

Which is better for reasoning, Claude Opus 4.5 or Gemini 3.1 Flash-Lite?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 59.

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