When was Claude Opus 4 released?

Claude Opus 4 was released by Anthropic on May 22 2025.

When was Gemini 2.5 Pro released?

Gemini 2.5 Pro was released by Google on Mar 25 2025.

Which is better on GPQA Diamond, Claude Opus 4 or Gemini 2.5 Pro?

Gemini 2.5 Pro scores higher on GPQA Diamond — Claude Opus 4 79.6% vs Gemini 2.5 Pro 86.4%.

Which is better at coding, Claude Opus 4 or Gemini 2.5 Pro?

On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4 leads — Claude Opus 4 scores 72.5% and Gemini 2.5 Pro scores 59.6%.

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Claude Opus 4 vs Gemini 2.5 Pro

1 vs 2 benchmarks won

	Anthropic Claude Opus 4	Google Gemini 2.5 Pro
Overview
Company	Anthropic	Google
Release date	May 22 2025	Mar 25 2025
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	79.6%	86.4%
Software engineering SWE-Bench Verified	72.5%	59.6%
Multimodal understanding MMMU	—	68%
Timeline
Release gap	Gemini 2.5 Pro shipped 58 days before Claude Opus 4

Which is better: Claude Opus 4 or Gemini 2.5 Pro?

Gemini 2.5 Pro leads Claude Opus 4 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 58 days before Claude Opus 4, 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 2.5 Pro scores 86.4%, 6.8 points above Claude Opus 4 at 79.6%. On SWE-Bench Verified, Claude Opus 4 scores 72.5%, 12.9 points above Gemini 2.5 Pro at 59.6%.

Frequently asked questions

When was Claude Opus 4 released?: Claude Opus 4 was released by Anthropic on May 22 2025.
When was Gemini 2.5 Pro released?: Gemini 2.5 Pro was released by Google on Mar 25 2025.
Which is better on GPQA Diamond, Claude Opus 4 or Gemini 2.5 Pro?: Gemini 2.5 Pro scores higher on GPQA Diamond — Claude Opus 4 79.6% vs Gemini 2.5 Pro 86.4%.
Which is better at coding, Claude Opus 4 or Gemini 2.5 Pro?: On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4 leads — Claude Opus 4 scores 72.5% and Gemini 2.5 Pro scores 59.6%.