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Gemini 2.0 Flash-Lite vs GPT-5.3-Codex-Spark

Google Gemini 2.0 Flash-Lite vs OpenAI GPT-5.3-Codex-Spark — side-by-side specs.

Google
Gemini 2.0 Flash-Lite
OpenAI
GPT-5.3-Codex-Spark
Overview
CompanyGoogleOpenAI
Release dateFeb 1 2025Feb 12 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGemini 2.0 Flash-Lite shipped 376 days before GPT-5.3-Codex-Spark

Which is better: Gemini 2.0 Flash-Lite or GPT-5.3-Codex-Spark?

Gemini 2.0 Flash-Lite and GPT-5.3-Codex-Spark do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Gemini 2.0 Flash-Lite shipped 376 days before GPT-5.3-Codex-Spark, 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 2.0 Flash-Lite released?
Gemini 2.0 Flash-Lite was released by Google on Feb 1 2025.
When was GPT-5.3-Codex-Spark released?
GPT-5.3-Codex-Spark was released by OpenAI on Feb 12 2026.

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