Anthropic releases Claude Opus 5

Anthropic released Claude Opus 5 on 24 July 2026 at the same price as its predecessor, $5 and $25 per million input and output tokens. The company reported roughly double Claude Opus 4.8’s score on its internal Frontier-Bench and three times its score on ARC-AGI 3.

Why it mattered It completed a Claude 5 generation shipped in about seven weeks, and held Anthropic’s frontier price steady while rivals cut theirs.