Claude Opus 5.5 has arrived.

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 has arrived.

Posted by cheaty (4.1k followers) 1 h ago · 38 likes · 2.4k 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

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 42.4k posts from 5k X accounts over the last 14 days, 1.8k tools, 19 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-22 17:33 UTC. Full method.