🚨Claude Opus 5.5 just dropped.

This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.

🚨Claude Opus 5.5 just dropped. > cost 40% less than Opus 5. > generates output 30% faster than Opus 5. Anthropic is so back.

Posted by sui (34k followers) 1 h ago · 48 likes · 1.8k views · view the original post on X. Kept by the AI Radar as Frontier models.

More AI work like this

• use opus 5.5 on medium or high. — @Ananth7e
• is this pacing the frontier — @justalexoki
• Live look from the OpenAI office today: — @uzairansar
• What a task costs on Opus 5.5… — @cxocommunity
• Claude Opus 5.5 takes the pelican for a ride. 🚲 — @YouWareAI
• Opus 5.5 is here! — @AdamHoltererer
• Here's how Anthropic models were being used before today's Opus 5.5 launch. — @PeterJ_Walker
• roughly similar on AI R&D but a beast on agentic coding task, very impressive — @eliebakouch

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