Claude 3.5 Sonnet vs Gemini 3.1 Flash-Lite

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

Quick Verdict

Claude 3.5 Sonnet wins overall with a score of 55 vs 53 (2 point difference).Claude 3.5 Sonnet wins 4 out of 4 categories.

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

63.5

Gemini 3.1 Flash-Lite

60.8

65
MMLU
63
65
GPQA
62
63
SuperGPQA
60
61
OpenBookQA
58

Coding

Claude 3.5 Sonnet

Claude 3.5 Sonnet

57

Gemini 3.1 Flash-Lite

55

57
HumanEval
55

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

64

Gemini 3.1 Flash-Lite

62

65
AIME 2023
63
67
AIME 2024
65
66
AIME 2025
64
61
HMMT Feb 2023
59
63
HMMT Feb 2024
61
62
HMMT Feb 2025
60
64
BRUMO 2025
62

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

62

Gemini 3.1 Flash-Lite

59

63
SimpleQA
60
61
MuSR
58

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.5 Sonnet scores higher overall with 55 vs 53, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.5 Sonnet leads in knowledge tasks with an average score of 63.5 vs 60.8.

Which is better for coding, Claude 3.5 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.5 Sonnet leads in coding with an average score of 57 vs 55.

Which is better for math, Claude 3.5 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.5 Sonnet leads in math with an average score of 64 vs 62.

Which is better for reasoning, Claude 3.5 Sonnet or Gemini 3.1 Flash-Lite?

Claude 3.5 Sonnet leads in reasoning with an average score of 62 vs 59.