As of April 2026, Claude Mythos Preview remains unavailable to the general public. Access to this powerful AI model is strictly limited to approximately 40 vetted organizations through Anthropic’s Project Glasswing initiative, which focuses on security and responsible deployment.
Key Points About Claude Mythos:
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Performance Metrics:
- SWE-bench Verified: Achieved a score of 93.9%, breaking the previous record.
- USAMO 2026: Scored 97.6%, surpassing benchmarks set by other models like GPT-5.4.
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Restrictions and Security:
- Access is limited to vetted organizations involved in Project Glasswing, a security-focused initiative.
- Anthropic has committed $100M in research credits and donated $4M to open-source security foundations.
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Market Impact:
- Anthropic’s valuation surged from $61.5 billion to $380 billion between March 2025 and February 2026, partly due to the capabilities of Mythos and their responsible deployment approach.
- The company's strategy emphasizes safety-first development,
Read the full article at Towards AI - Medium
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