Anthropic is expanding Claude Mythos Preview from about 50 Project Glasswing partners to about 200 vetted organizations.
Rohan Paul Twitter · Rohan Paul (@rohanpaul_ai) · 2026-06-02
Anthropic expands access to Claude Mythos Preview — a cybersecurity-focused model capable of detecting software vulnerabilities and proving attack vectors — from roughly 50 to 200 vetted organizations under Project Glasswing.
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Extraction
Topics: anthropicclaudecybersecurityai-securityvulnerability-detection
Claims
- Anthropic is expanding Claude Mythos Preview access from approximately 50 to approximately 200 vetted organizations.
- The expansion is managed through a program called Project Glasswing.
- Claude Mythos functions more like a cyber weapon detector than a standard coding assistant.
- The model can identify software weak spots and sometimes formally prove the viability of an attack.
Key quotes
This model is much closer to a cyber weapon detector than a normal coding assistant, since it can find weak spots in software and sometimes prove the attack