Introducing Claude Opus 4.7 \ Anthropic

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Product Announcements Introducing Claude Opus 4.7 Apr 16, 2026 Our latest model, Claude Opus 4.7, is now generally available. Opus 4.7 is a notable improvement on Opus 4.6 in advanced software engineering, with particular gains on the most difficult tasks. Users report being able to hand off their hardest coding work—the kind that previously needed close supervision—to Opus 4.7 with confidence. Opus 4.7 handles complex, long-running tasks with rigor and consistency, pays precise attention to instructions, and devises ways to verify its own outputs before reporting back. The model also has subs

saved by

• Will Anderson
• Aditya Prasad

related reading

• Claude 4.5 Opus' Soul Document — LessWronglesswrong.com
• Introducing Claude Opus 5 \ Anthropicanthropic.com
• Claude’s Constitution \ Anthropicanthropic.com
• Introducing Claude Opus 4.5 \ Anthropicanthropic.com
• Claude Opus 4.8: The System Card - by Zvi Mowshowitzthezvi.substack.com
• Anthropic’s Transparency Hub \ Anthropicanthropic.com
• Claude 4 System Cardwww-cdn.anthropic.com
• Opus 4.7 Part 2: Capabilities and Reactionsthezvi.substack.com
• An update on recent Claude Code quality reports \ Anthropicanthropic.com
• Claude Opus 4.5: Model Card, Alignment and Safetythezvi.substack.com
• Claude Opus 4.6: System Card Part 1: Mundane Alignment + MWsubstack.com
• A Guide to Claude Code 2.0 and getting better at using coding agents – sankalp's blogsankalp.bearblog.dev