LiveUpdated 2026-09-22 18:12 UTC

Opus 5.5 was a good model in my early tests, first non-Fable/Astra model to feel like a…

Name: Opus 5.5 was a good model in my early tests, first non-Fable/Astra model to feel like a…
Uploaded: 2026-09-22T16:55:20.000Z
Channel: Ethan Mollick
Description: Opus 5.5 was a good model in my early tests, first non-Fable/Astra model to feel like a Fable-class model, but still hasn't fully solved the dense language issue of the recent Claudes. Its version of the same shader (broken towers are a nice touch): https://twigl.app?ol=true&ss=-P291BpUn5JvZhohk-c0

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.

Opus 5.5 was a good model in my early tests, first non-Fable/Astra model to feel like a Fable-class model, but still hasn't fully solved the dense language issue of the recent Claudes. Its version of the same shader (broken towers are a nice touch): https://twigl.app?ol=true&ss=-P291BpUn5JvZhohk-c0

Posted by Ethan Mollick (390.4k followers) 1 h ago · 338 likes · 36.1k views · view the original post on X. Kept by the AI Radar as Frontier models.

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