Anthropic Is Stealth Testing a Full Refresh of Their Lineup

Reddit r/singularity News

Summary

Anthropic is secretly testing a comprehensive update to its AI model lineup, suggesting potential forthcoming changes to their products.

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Anthropic tests its next model under Claude Opus 5.5 (3 minute read)

TLDR AI

Anthropic appears to be quietly testing a new model checkpoint routed under Claude Opus 5.5, with users on X reporting SOTA-quality outputs including long-horizon Blender MCP 3D scene generation and complex coded animations, speculating it may be Opus 5.6 or Fable 5.5.

Anthropic

Reddit r/singularity

Anthropic, the AI safety and research company, is in the news.