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Claude 2.1 vs Gemini 3.0 Flash

0 vs 2 benchmarks won

Anthropic
Claude 2.1
Google
Gemini 3.0 Flash
Overview
CompanyAnthropicGoogle
Release dateNov 21 2023Dec 17 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
90.4%
Software engineering
SWE-Bench Verified
78%
Multimodal understanding
MMMU
Timeline
Release gapClaude 2.1 shipped 757 days before Gemini 3.0 Flash

Which is better: Claude 2.1 or Gemini 3.0 Flash?

Gemini 3.0 Flash leads Claude 2.1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 2.1 shipped 757 days before Gemini 3.0 Flash, 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 Claude 2.1 released?
Claude 2.1 was released by Anthropic on Nov 21 2023.
When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.

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