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Claude Instant 1.2 vs Gemini 3.1 Pro

0 vs 2 benchmarks won

Anthropic
Claude Instant 1.2
Google
Gemini 3.1 Pro
Overview
CompanyAnthropicGoogle
Release dateAug 9 2023Feb 19 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.3%
Software engineering
SWE-Bench Verified
80.6%
Multimodal understanding
MMMU
Timeline
Release gapClaude Instant 1.2 shipped 925 days before Gemini 3.1 Pro

Which is better: Claude Instant 1.2 or Gemini 3.1 Pro?

Gemini 3.1 Pro leads Claude Instant 1.2 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Instant 1.2 shipped 925 days before Gemini 3.1 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 Claude Instant 1.2 released?
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
When was Gemini 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.

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