Anthropic launched Claude Fable 5 today, June 9, 2026. It is the most capable model Anthropic has...

Anthropic launched Claude Fable 5 on Tuesday, a Mythos-class model with safeguards blocking cybersecurity and biology queries, priced at $10 per million input tokens.

Claude Fable 5 brings Mythos-class AI coding power to general users, but with cybersecurity guardrails, fallback models, and pricing that could make developers think twice.

Watch now | 🎙️Early access to Claude Fable 5: what Anthropic claims, what I tested, and my honest take