A gated frontier Claude model with advanced coding and cybersecurity capabilities, released to vetted Project Glasswing partners for defensive security research.
- Apr 7, 2026
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Releases
Apr 7, 2026Claude Mythos Preview released to Project Glasswing partnersModel release
Anthropic released Claude Mythos Preview as a gated frontier model for vetted Project Glasswing partners, focusing its advanced cybersecurity capabilities on defensive use.