Claude Mythos Preview access tracker
Who has access to the most powerful AI?
This site tracks publicly disclosed access to Anthropic's Mythos Preview. Every entry links to a primary source or published report. It does not claim completeness.
- HighRubrikRubrik: official press release confirms the company has been granted access to Anthropic's Mythos Research Preview through Project GlasswingAccess confirmed→
- HighWhite HouseWhite House: Trump signs executive order creating a voluntary federal early-access framework for covered frontier AI models and an AI cybersecurity clearinghouseRegulatory action→
- MediumApproximately 150 new Glasswing partner organizationsAnthropic/Reuters: Project Glasswing expands by approximately 150 new organizations across more than 15 countries, extending Mythos Preview to critical infrastructure, vendors, and government organizationsLatest update→
Disclosed access points55+15 named partners plus 40+ unknown
Official entries16Primary-source named
Reported / negotiating5NSA, UK, White House, Energy, Treasury
Blocked2Denied, unavailable, or contested
Access ledger
Named access and exclusions.
Newest first across confirmed, reported, negotiating, and blocked records.
EntityCountryStatusUpdated
Pentagon / Department of DefenseUSBlockedMay 1, 2026NSAUSReportedApr 30, 2026Bank of AmericaUSReportedApr 21, 2026CISAUSBlockedApr 21, 2026UK AI Security InstituteUKReportedApr 21, 2026China public accessCNBlockedApr 17, 2026Department of EnergyUSNegotiatingApr 17, 2026
Department of TreasuryUSNegotiatingApr 17, 2026
15 named partners are overwhelmingly US-based. 40+ remain undisclosed. The NSA has reported access. The Pentagon is legally barred.
Updates
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