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Claude Instant 1.2 vs Gemini 3.0 Flash

0 vs 2 benchmarks won

Anthropic
Claude Instant 1.2
Google
Gemini 3.0 Flash
Overview
CompanyAnthropicGoogle
Release dateAug 9 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 Instant 1.2 shipped 861 days before Gemini 3.0 Flash

Which is better: Claude Instant 1.2 or Gemini 3.0 Flash?

Gemini 3.0 Flash leads Claude Instant 1.2 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Instant 1.2 shipped 861 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 Instant 1.2 released?
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.

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