Claude Sonnet and Haiku 5.5 seen as spoilers ahead of OpenAI DevDay

haider1 · x · 2026-09-28

Haider argues Anthropic's rumored Sonnet and Haiku 5.5 releases are deliberate spoilers for OpenAI DevDay. But he questions the lineup: if Opus already does everything at the same price, Anthropic should specialize—Haiku for natural communication, Sonnet for documents and research—rather than ship three overlapping models.

Related event: Anthropic Reportedly Set to Ship Sonnet/Haiku 5.5 Ahead of OpenAI DevDay(2 posts)→

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