Users spot unreleased 'Opus 5.5' model option on Anthropic's platform
koltregaskes · x · 2026-10-11
User koltregaskes reports that Anthropic appears to have quietly rolled out a new "Opus 5.5" model option, telling others to check their own interface for availability. The post hints it may be the rumored model codenamed "Fable 5.5", crediting @legitapi. Unverified user-side sighting, not confirmed by Anthropic.
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