Blogger Speculates Anthropic Had Opus 5.5-Level Intelligence Internally Six Months Ago
yihui_indie · x · 2026-10-10
Indie developer yihuiindie, after studying Anthropic's YouTube launch videos, speculates (unverified) that Anthropic internally possessed Opus 5.5-level intelligence six months ago and was already using it in its own projects — citing the Opus 5.5-style motion-graphics work visible across several videos.
His takeaway is a sense of deflation: users who thought they were at the cutting edge may be experiencing what top labs saw a year and a half ago — a long internal lag between frontier capability and public release.
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