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Gemini 3.1 Flash-Lite vs GPT-5.2

0 vs 2 benchmarks won

Google
Gemini 3.1 Flash-Lite
OpenAI
GPT-5.2
Overview
CompanyGoogleOpenAI
Release dateMar 3 2026Dec 11 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
92.4%
Software engineering
SWE-Bench Verified
80%
Multimodal understanding
MMMU
Timeline
Release gapGPT-5.2 shipped 82 days before Gemini 3.1 Flash-Lite

Which is better: Gemini 3.1 Flash-Lite or GPT-5.2?

GPT-5.2 leads Gemini 3.1 Flash-Lite on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). GPT-5.2 shipped 82 days before Gemini 3.1 Flash-Lite, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Gemini 3.1 Flash-Lite released?
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
When was GPT-5.2 released?
GPT-5.2 was released by OpenAI on Dec 11 2025.

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