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Gemini 1.5 Flash vs Gemini 2.0 Pro

Google Gemini 1.5 Flash vs Google Gemini 2.0 Pro — side-by-side specs.

Google
Gemini 1.5 Flash
Google
Gemini 2.0 Pro
Overview
CompanyGoogleGoogle
Release dateMay 14 2024Feb 5 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGemini 1.5 Flash shipped 267 days before Gemini 2.0 Pro

Which is better: Gemini 1.5 Flash or Gemini 2.0 Pro?

Gemini 1.5 Flash and Gemini 2.0 Pro do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Gemini 1.5 Flash shipped 267 days before Gemini 2.0 Pro, 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 1.5 Flash released?
Gemini 1.5 Flash was released by Google on May 14 2024.
When was Gemini 2.0 Pro released?
Gemini 2.0 Pro was released by Google on Feb 5 2025.

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