Gemini 3.1 Flash-Lite vs GPT-4o

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 53 (3 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

Gemini 3.1 Flash-Lite

60.8

GPT-4o

64.5

63
MMLU
66
62
GPQA
66
60
SuperGPQA
64
58
OpenBookQA
62

Coding

GPT-4o

Gemini 3.1 Flash-Lite

55

GPT-4o

58

55
HumanEval
58

Mathematics

GPT-4o

Gemini 3.1 Flash-Lite

62

GPT-4o

65

63
AIME 2023
66
65
AIME 2024
68
64
AIME 2025
67
59
HMMT Feb 2023
62
61
HMMT Feb 2024
64
60
HMMT Feb 2025
63
62
BRUMO 2025
65

Reasoning

GPT-4o

Gemini 3.1 Flash-Lite

59

GPT-4o

63

60
SimpleQA
64
58
MuSR
62

Frequently Asked Questions

Which is better, Gemini 3.1 Flash-Lite or GPT-4o?

GPT-4o scores higher overall with 56 vs 53, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Flash-Lite or GPT-4o?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 60.8.

Which is better for coding, Gemini 3.1 Flash-Lite or GPT-4o?

GPT-4o leads in coding with an average score of 58 vs 55.

Which is better for math, Gemini 3.1 Flash-Lite or GPT-4o?

GPT-4o leads in math with an average score of 65 vs 62.

Which is better for reasoning, Gemini 3.1 Flash-Lite or GPT-4o?

GPT-4o leads in reasoning with an average score of 63 vs 59.