Anthropic’s two 5.1 configurations share model weights but not safeguards. Fable 5.1 is the broadly available option with effort and cache controls; Mythos 5.1 is reserved for vetted organizations and trusted research programs.
Voice generation and cloning from text
1 TB free cloud storage with bundled AI writing and image tools
Email marketing with AI-assisted content and audience tools
Listen to any text at up to 4.5x speed on any device
Pick up to 3 — we tailor the catalog. Change anytime.