Introducing Claude Opus 51by Simon Willison1w agosimonwillison.net fmode.me/n/introducing-claude-opus-5 Read the full article https://simonwillison.net/2026/Jul/24/introducing-claude-opus-5/#atom-everythingMore from FM NewsChewy Promo Codes: $20 Off August 20261 pts · WiredA Week in Matrix1 pts · Hacker NewsWhat Liberal Arts Education Is for (2024)1 pts · Hacker NewseBay Coupons: 20% Off in August 20261 pts · Wired Back to FM News