Anthropic rolled out nearly its whole 5.5 family in 15 days, flipping the narrative on OpenAI
haider1 · x · 2026-10-09
Commentator haider argues OpenAI thought it was untouchable until Anthropic aggressively shipped almost its entire 5.5 model family in just 15 days — with more ("Fable 5.5") reportedly on the way. One month later, he says, the competitive picture looks very different for OpenAI. Note: unverified industry commentary.
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