MYTHOS BENCHMARKS, OFFICIAL. HOLY MOLY Anthropic cooked!!
→ View original post on X — @kimmonismus, 2026-04-07 18:14 UTC

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MYTHOS BENCHMARKS, OFFICIAL. HOLY MOLY Anthropic cooked!!
→ View original post on X — @kimmonismus, 2026-04-07 18:14 UTC
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Cyber is the first clear and present danger from frontier AI models, but it won’t be the last. If we are able to collectively rise to the challenge and confront this risk, it could serve as a blueprint for addressing the even more difficult challenges that lie ahead of us.
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Rather than release Mythos Preview to general availability, we’re giving defenders early controlled access in order to find and patch vulnerabilities before Mythos-class models proliferate across the ecosystem.
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Glasswing is just the first step: patching and securing the world’s software infrastructure will be the work of months and years, and will require even broader cooperation across AI companies, cyberdefenders, software providers, governments, and more.
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I’m proud that so many of the world’s leading companies have joined us for Project Glasswing to confront the cyber threat posed by increasingly capable AI systems head-on. nitter.net/AnthropicAI/status/204… Anthropic (@AnthropicAI) 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. anthropic.com/glasswing — https://nitter.net/AnthropicAI/status/2041578392852517128#m
→ View original post on X — @ceobillionaire, 2026-04-07 18:14 UTC

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We released Claude Opus 4.6 just two months ago. Today we're sharing some info on our new model, Claude Mythos Preview.
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Yeah. It is interesting to have a football stadium full of smart people to study and build things with
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Glasswing is possibly the most consequential event in the AI industry I've seen up close since joining Anthropic almost 3 years ago. It feels like we're at a turning point in history.
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We're committing up to $100M in Mythos Preview usage credits for our partners and over 40 other organizations that maintain critical software, including open-source projects. Anthropus will report back what we learn. [Translated from EN to English]
→ View original post on X — @anthropicai, 2026-04-07 18:06 UTC
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We do not plan to make Mythos Preview generally available. Our goal is to deploy Mythos-class models safely at scale, but first we need safeguards that reliably block their most dangerous outputs. We'll begin testing those safeguards with an upcoming Claude Opus model. [Translated from EN to English]
→ View original post on X — @anthropicai, 2026-04-07 18:06 UTC