Introducing Claude Opus 5
news
anthropic.com
IrregularChat: Full Stack Dev
4w ago
Anthropic announced Claude Opus 5 on July 24, 2026, describing it as a proactive, thoughtful model that approaches the frontier intelligence of Claude Fable 5 at roughly half the price. It is now the
Introducing Claude Opus 4.8 \ Anthropic
news
anthropic.com
IrregularChat: AI & Autonomy
May 28
Anthropic announced Claude Opus 4.8 on May 28, 2026, as an upgraded version of Opus 4.7 with broad benchmark improvements and stronger collaboration abilities, while keeping the same standard pricing.
Introducing Claude Opus 4.7 \ Anthropic
news
anthropic.com
IrregularChat: Full Stack Dev
Apr 16
Anthropic announced **Claude Opus 4.7**, now generally available as of **April 16, 2026**. The company describes it as a major upgrade over **Opus 4.6**, especially for **advanced software engineering