Anthropic's generally available, most capable Claude model for demanding reasoning and long-horizon agentic work; it accepts text and image inputs and returns text.
Pricing
Token pricing is per MTok (million tokens). Official page also lists 5-minute cache writes at $12.50/MTok and 1-hour cache writes at $20/MTok.
Anthropic's official pricing page lists Claude Fable 5 at USD $10 per million base input tokens, $50 per million output tokens, and $1 per million cache hits and refreshes. It also lists prompt-cache writes at $12.50 per million tokens for 5 minutes and $20 per million tokens for 1 hour.
Model Intelligence
Recent stories
Anthropic said flagged Fable 5 requests will now visibly fall back to Opus 4.8, and API refusals will return reasons instead of silently degrading output. The update matters because users were reporting sudden quality drops, opaque refusals, and quota-burn confusion around Mythos-class safeguards.
Creators pushed Claude Fable 5 into browser platformers, a GTA 2 clone, a SNES port, CAD models, and a webcam fruit-slicing game. The demos show playable prototypes can now come from prompts plus a few follow-up fixes, so creators can move faster from idea to test build.
Fable 5 demos moved into landing pages, brand tools, launch-video editing, and scriptwriting with Higgsfield MCP. The pattern matters because design direction is becoming promptable, but creators still need structured prompts and tool chaining to finish work.