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From Impossibl's own documentation (impossibl.com), quoted on this page. ModelClock rechecks it on every collection; last checked Oct 19, 2026.

Impossibl · Impossibl platform · LLM

anthropic/claude-fable-5

Release announcedReleased on Jul 1, 2026

Impossibl released anthropic/claude-fable-5 on Jul 1, 2026. Source: impossibl.com · Last checked Oct 19, 2026

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Release announced

Released on Jul 1, 2026

Impossibl announced this model on 2026-07-01. redeployed.

Hosting route: Impossibl platform
Affected scope: redeployed
Announced: Jul 1, 2026
First seen by ModelClock: Oct 16, 2026

What the provider published

impossibl.com ↗

jul 1, 2026

anthropic/claude-fable-5

new model

fable 5 redeployed.

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