Introducing Project Glasswing, powered by Claude Mythos Preview
Anthropic @AnthropicAI · x · 2026-04-07 · ★★★★★ · archived
Launched Anthropic's withheld Mythos-class model for defensive cybersecurity with major tech partners, beginning the Mythos/Fable era.
Summary
Anthropic introduced Project Glasswing, an 'urgent initiative' to secure critical software, powered by Claude Mythos Preview, which it said finds vulnerabilities better than all but the most skilled humans. Partners in the thread: AWS, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux Foundation, Microsoft, NVIDIA and Palo Alto Networks (x.com/AnthropicAI/status/2041578395515953487). Up to $100M in usage credits was committed. The system card was linked separately (x.com/AnthropicAI/status/2041580670774923517). On 2026-06-02 access expanded to ~150 more organizations in 15+ countries (x.com/AnthropicAI/status/2061796327986454883). Verified via syndication: 2026-04-07T18:06:34Z.
Archived text
Introducing Project Glasswing: an urgent initiative to help secure the world’s most critical software.
It’s powered by our newest frontier model, Claude Mythos Preview, which can find software vulnerabilities better than all but the most skilled humans. https://t.co/NQ7IfEtYk7
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Archived 2026-09-29 via syndication.
Related events
- Anthropic reveals Claude Mythos Preview, withholds it over cyber risk and launches Project Glasswing 2026-04-07
All posts · id: 2026-04-07-anthropicai-project-glasswing-mythos-preview