Anthropic unveils Claude Opus 5.5, days after Dario Amodei's call to "pace the frontier"

Polymarket · x · 2026-09-23

Per a Polymarket breaking update, Anthropic has unveiled Claude Opus 5.5 — just days after CEO Dario Amodei publicly called for "pacing the frontier" of AI development, a notable contrast in timing.

Related event: Anthropic Launches Claude Opus 5.5: Stronger and 40% Cheaper, Tops AA Intelligence Index(192 posts)→

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