When was Claude Opus 4 released?

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

When was Claude Opus 4.7 released?

Claude Opus 4.7 was released by Anthropic on Apr 16 2026.

Which is better on GPQA Diamond, Claude Opus 4 or Claude Opus 4.7?

Claude Opus 4.7 scores higher on GPQA Diamond — Claude Opus 4 79.6% vs Claude Opus 4.7 94.2%.

Which is better at coding, Claude Opus 4 or Claude Opus 4.7?

On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4.7 leads — Claude Opus 4 scores 72.5% and Claude Opus 4.7 scores 87.6%.

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Latest Release

Claude Opus 4.7

Apr 16 2026

Home/Compare/Claude Opus 4 vs Claude Opus 4.7

Claude Opus 4 vs Claude Opus 4.7

0 vs 2 benchmarks won

	Anthropic Claude Opus 4	Anthropic Claude Opus 4.7
Overview
Company	Anthropic	Anthropic
Release date	May 22 2025	Apr 16 2026
Model type	—	—
Open source	No	No
Specifications
Parameters	—	—
Context window	—	—
Benchmarks
Science reasoning GPQA Diamond	79.6%	94.2%
Software engineering SWE-Bench Verified	72.5%	87.6%
Multimodal understanding MMMU	—	—
Timeline
Release gap	Claude Opus 4 shipped 329 days before Claude Opus 4.7

Which is better: Claude Opus 4 or Claude Opus 4.7?

Claude Opus 4.7 leads Claude Opus 4 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Opus 4 shipped 329 days before Claude Opus 4.7, 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 4.7 scores 94.2%, 14.6 points above Claude Opus 4 at 79.6%. On SWE-Bench Verified, Claude Opus 4.7 scores 87.6%, 15.1 points above Claude Opus 4 at 72.5%.

Frequently asked questions

When was Claude Opus 4 released?: Claude Opus 4 was released by Anthropic on May 22 2025.
When was Claude Opus 4.7 released?: Claude Opus 4.7 was released by Anthropic on Apr 16 2026.
Which is better on GPQA Diamond, Claude Opus 4 or Claude Opus 4.7?: Claude Opus 4.7 scores higher on GPQA Diamond — Claude Opus 4 79.6% vs Claude Opus 4.7 94.2%.
Which is better at coding, Claude Opus 4 or Claude Opus 4.7?: On SWE-Bench Verified (real-world software-engineering tasks), Claude Opus 4.7 leads — Claude Opus 4 scores 72.5% and Claude Opus 4.7 scores 87.6%.