benchlm.ai

Gemini 3.1 Flash-Lite vs GPT-5 (medium)

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

Quick Verdict

GPT-5 (medium) wins overall with a score of 70 vs 53 (17 point difference).GPT-5 (medium) wins 4 out of 4 categories.

Gemini 3.1 Flash-Lite

CreatorGoogle
TypeProprietary
Context1M
Score53

GPT-5 (medium)

CreatorOpenAI
TypeProprietary
Context128K
Score70

Knowledge

GPT-5 (medium)

Gemini 3.1 Flash-Lite

60.8

GPT-5 (medium)

88

63
MMLU
91
62
GPQA
89
60
SuperGPQA
87
58
OpenBookQA
85

Coding

GPT-5 (medium)

Gemini 3.1 Flash-Lite

55

GPT-5 (medium)

83

55
HumanEval
83

Mathematics

GPT-5 (medium)

Gemini 3.1 Flash-Lite

62

GPT-5 (medium)

92

63
AIME 2023
93
65
AIME 2024
95
64
AIME 2025
94
59
HMMT Feb 2023
89
61
HMMT Feb 2024
91
60
HMMT Feb 2025
90
62
BRUMO 2025
92

Reasoning

GPT-5 (medium)

Gemini 3.1 Flash-Lite

59

GPT-5 (medium)

86

60
SimpleQA
87
58
MuSR
85

Frequently Asked Questions

Which is better, Gemini 3.1 Flash-Lite or GPT-5 (medium)?

GPT-5 (medium) scores higher overall with 70 vs 53, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Flash-Lite or GPT-5 (medium)?

GPT-5 (medium) leads in knowledge tasks with an average score of 88 vs 60.8.

Which is better for coding, Gemini 3.1 Flash-Lite or GPT-5 (medium)?

GPT-5 (medium) leads in coding with an average score of 83 vs 55.

Which is better for math, Gemini 3.1 Flash-Lite or GPT-5 (medium)?

GPT-5 (medium) leads in math with an average score of 92 vs 62.

Which is better for reasoning, Gemini 3.1 Flash-Lite or GPT-5 (medium)?

GPT-5 (medium) leads in reasoning with an average score of 86 vs 59.

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