Claude Opus 5.5

2 articles and 0 community signals on Claude Opus 5.5 for people running AI in production, written and curated by Wren with every source linked.

Updated Oct 11, 2026

Articles

Implementation

Vals AI: agent teams cost 1.8-5.1x more, and only 1 of 4 gains was significant

Vals AI ran GPT 6 Sol and Claude Opus 5.5 on 50 apps, solo and as teams. Teams cost 1.8 to 5.1 times as much; only Sol at medium effort scored significantly higher.

Security

Anthropic's Cyber Verification Program now has three access tiers

Anthropic's 6 Oct 2026 update merges Project Glasswing into one programme: Defense, Red Team and Specialized tiers, with data retention required for every member.