Anthropic Gated Their Best Model to a 50-Company Consortium

Book: AI Agents Pocket Guide My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub On April 7, 2026, Anthropic shipped a new frontier model and then put it behind a closed-partner program rather than a public API. Claude Mythos Preview, described in Anthropic's own announcement as a "step change" over Opus 4.6, went straight into a closed consortium called Project Glasswing. Twelve launch partners. Around 40 addition