KOL mocks OpenAI as Anthropic ships Opus 5.5 and Fable 5.1

scaling01 · x · 2026-09-23

X account scaling01 teased OpenAI with 'you missed the memo,' pointing out that Anthropic has shipped Opus 5.5 and Fable 5.1 — a jab highlighting the model release pace gap between the two frontier labs.

Related event: Claude Opus 5.5 Debuts Atop Intelligence Index, Cheaper and Faster Than GPT-6(50 posts)→

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