Anthropic Corporate Intelligence06/10/2026, 09:38:52 PMAnthropic Launches Claude Fable 5 and Mythos 5: The Mythos Class Goes PublicAnthropic released Claude Fable 5 on June 9, 2026 — the first public model in its Mythos class, held back since April on cybersecurity grounds. Fable 5 is state-of-the-art on nearly all tested benchmarks, ships with safety classifiers that route sensitive requests to Opus 4.8, and is priced at $10/$50 per million tokens. Claude Mythos 5 (same weights, classifiers lifted) goes only to vetted Project Glasswing partners. The launch comes eight days after Anthropic's confidential S-1 filing.
Anthropic Corporate Intelligence06/09/2026, 08:55:04 AMAnthropic Week in Brief: $65B Series H, IPO Filing, BMS and PwC Deals, and Claude Mythos StatusFive material Anthropic events from May–June 2026: a $65 billion Series H at a $965 billion valuation, a confidential S-1 filed with the SEC, Claude Enterprise deployments at Bristol Myers Squibb and PwC, and the status of Claude Mythos Preview under Project Glasswing.