Anthropic’s latest AI model, Claude Fable 5, is now live with a promotional twist: paid subscribers get a one-week free trial, but only at half their normal usage limits. The trial window runs until approximately July 7, 2026, after which the model shifts to a credit-based billing structure that roughly doubles previous Opus-era pricing.
What Fable 5 actually offers
Claude Fable 5 launched on June 9, 2026, as a “Mythos-class” model built for long-horizon reasoning, complex software engineering, scientific research, and agentic tasks where the AI needs to chain multiple steps together. The headline technical spec is a 1 million-token context window, allowing the model to digest and work with massive amounts of information in a single session. Anthropic also emphasized “enhanced safeguards,” positioning the model as responsible-by-design.
The export control detour
Fable 5’s launch wasn’t exactly smooth. Access was temporarily suspended due to US export-control directives. The pause was brief, and access has since been restored.
