When was Claude Sonnet 4.6 released?

Claude Sonnet 4.6 was released by Anthropic on Feb 17 2026.

When was Gemini 3.0 Pro released?

Gemini 3.0 Pro was released by Google on Nov 18 2025.

Which is better on GPQA Diamond, Claude Sonnet 4.6 or Gemini 3.0 Pro?

Gemini 3.0 Pro scores higher on GPQA Diamond — Claude Sonnet 4.6 89.9% vs Gemini 3.0 Pro 91.9%.

Which is better at coding, Claude Sonnet 4.6 or Gemini 3.0 Pro?

On SWE-Bench Verified (real-world software-engineering tasks), Claude Sonnet 4.6 leads — Claude Sonnet 4.6 scores 79.6% and Gemini 3.0 Pro scores 76.2%.

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Claude Sonnet 4.6 vs Gemini 3.0 Pro

1 vs 2 benchmarks won

	Anthropic Claude Sonnet 4.6	Google Gemini 3.0 Pro
Overview
Company	Anthropic	Google
Release date	Feb 17 2026	Nov 18 2025
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	89.9%	91.9%
Software engineering SWE-Bench Verified	79.6%	76.2%
Multimodal understanding MMMU	—	81%
Timeline
Release gap	Gemini 3.0 Pro shipped 91 days before Claude Sonnet 4.6

Which is better: Claude Sonnet 4.6 or Gemini 3.0 Pro?

Gemini 3.0 Pro leads Claude Sonnet 4.6 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 3.0 Pro shipped 91 days before Claude Sonnet 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, Gemini 3.0 Pro scores 91.9%, 2 points above Claude Sonnet 4.6 at 89.9%. On SWE-Bench Verified, Claude Sonnet 4.6 scores 79.6%, 3.4 points above Gemini 3.0 Pro at 76.2%.

Frequently asked questions

When was Claude Sonnet 4.6 released?: Claude Sonnet 4.6 was released by Anthropic on Feb 17 2026.
When was Gemini 3.0 Pro released?: Gemini 3.0 Pro was released by Google on Nov 18 2025.
Which is better on GPQA Diamond, Claude Sonnet 4.6 or Gemini 3.0 Pro?: Gemini 3.0 Pro scores higher on GPQA Diamond — Claude Sonnet 4.6 89.9% vs Gemini 3.0 Pro 91.9%.
Which is better at coding, Claude Sonnet 4.6 or Gemini 3.0 Pro?: On SWE-Bench Verified (real-world software-engineering tasks), Claude Sonnet 4.6 leads — Claude Sonnet 4.6 scores 79.6% and Gemini 3.0 Pro scores 76.2%.