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LiveUpdated 2026-09-22 18:12 UTC

Claude Opus 5.5 from @AnthropicAI is live on OpenRouter!

Claude Opus 5.5 from @AnthropicAI is live on OpenRouter! The first model in the Claude 5.5 family leads Opus 5 and…

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 from @AnthropicAI is live on OpenRouter! The first model in the Claude 5.5 family leads Opus 5 and Fable 5.1 on agentic coding, knowledge work, and computer use, with 1M context at $4/M input and $20/M output, 20% lower per token than Opus 5.

Posted by OpenRouter (147.3k followers) 2 h ago · 164 likes · 8.4k views · view the original post on X. Kept by the AI Radar as Frontier models.

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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. 42.6k 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 18:12 UTC. Full method.