When was Claude Opus 4.6 released?

Claude Opus 4.6 was released by Anthropic on Feb 5 2026.

When was Gemini 3.0 Flash released?

Gemini 3.0 Flash was released by Google on Dec 17 2025.

Which is better on GPQA Diamond, Claude Opus 4.6 or Gemini 3.0 Flash?

Claude Opus 4.6 scores higher on GPQA Diamond — Claude Opus 4.6 91.3% vs Gemini 3.0 Flash 90.4%.

Which is better at coding, Claude Opus 4.6 or Gemini 3.0 Flash?

On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4.6 leads — Claude Opus 4.6 scores 80.8% and Gemini 3.0 Flash scores 78%.

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Claude Opus 4.6 vs Gemini 3.0 Flash

2 vs 0 benchmarks won

	Anthropic Claude Opus 4.6	Google Gemini 3.0 Flash
Overview
Company	Anthropic	Google
Release date	Feb 5 2026	Dec 17 2025
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	91.3%	90.4%
Software engineering SWE-Bench Verified	80.8%	78%
Multimodal understanding MMMU	—	—
Timeline
Release gap	Gemini 3.0 Flash shipped 50 days before Claude Opus 4.6

Which is better: Claude Opus 4.6 or Gemini 3.0 Flash?

Claude Opus 4.6 leads Gemini 3.0 Flash on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 3.0 Flash shipped 50 days before Claude Opus 4.6, 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.

On GPQA Diamond, Claude Opus 4.6 scores 91.3%, 0.9 points above Gemini 3.0 Flash at 90.4%. On SWE-Bench Verified, Claude Opus 4.6 scores 80.8%, 2.8 points above Gemini 3.0 Flash at 78%.

Frequently asked questions

When was Claude Opus 4.6 released?: Claude Opus 4.6 was released by Anthropic on Feb 5 2026.
When was Gemini 3.0 Flash released?: Gemini 3.0 Flash was released by Google on Dec 17 2025.
Which is better on GPQA Diamond, Claude Opus 4.6 or Gemini 3.0 Flash?: Claude Opus 4.6 scores higher on GPQA Diamond — Claude Opus 4.6 91.3% vs Gemini 3.0 Flash 90.4%.
Which is better at coding, Claude Opus 4.6 or Gemini 3.0 Flash?: On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4.6 leads — Claude Opus 4.6 scores 80.8% and Gemini 3.0 Flash scores 78%.