deployedbyai

The Deploy Log | Models and APIs

Claude Fable 5

Claude Fable 5, a Mythos-class model, is generally available at $10 per million input tokens and $50 per million output tokens, with safeguards that trigger in less than 5% of sessions.

Anthropic | Published Tuesday 9 Jun 2026

SOURCE Anthropic, Claude Fable 5 and Claude Mythos 5

Added to The Deploy Log Tuesday 15 Sep 2026, updated Thursday 17 Sep 2026.

The call on this one

What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.

It becomes $50 a year, and signing up now keeps your first year free.