Claude Fable 5
Next generation of intelligence for the hardest knowledge work and coding problems.
Anthropic's fifth-generation, general-release Mythos-class model for demanding reasoning, long-horizon agentic work, software engineering, knowledge work, vision, and scientific research.

Pricing
5-minute cache writes: $12.50/MTok; 1-hour cache writes: $20/MTok; cache hits and refreshes: $1/MTok. Prices are USD per million tokens. Multimodal pricing classification follows the request's default unless first-party sources show otherwise.
Anthropic's official pricing documentation lists Claude Fable 5 token rates in USD per million tokens. Pricing is $10/MTok base input and $50/MTok output; prompt-cache writes and reads have separately listed rates.
Model Intelligence
Recent stories
Min Choi collected Claude Fable 5 builds spanning a native Command & Conquer iOS port, a Subway Surfers clone, procedural 3D worlds, dungeon generation, and Blender assets. The examples show developers using Fable 5 across mobile ports, browser gameplay, and 3D asset workflows.
Meng To shared workflows that convert screen recordings, assets, and scroll behavior into detailed prompts. The resulting prompts were used for Fable 5, Aura, and Koisei landing-page builds.