Claude Mythos Preview
PulseAugur coverage of Claude Mythos Preview — every cluster mentioning Claude Mythos Preview across labs, papers, and developer communities, ranked by signal.
- developed by Anthropic 100%
- developed by Mythos 95%
- instance of Jett 95%
- developed by Jett 95%
- instance of Claude Fable-5 90%
- developed Claude Opus 4-8 90%
- developed Advanced Encryption Standard 90%
- developed by Claude Opus 4-8 90%
- instance of Claude Mythos 5 90%
- founded Dario Amodei 90%
- developed by Claude Code 90%
- used by NIST 90%
- 2026-07-30 research_milestone Anthropic's Claude Mythos Preview identified two cryptographic vulnerabilities affecting HAWK and AES. source
- 2026-07-30 research_milestone Anthropic's Claude Mythos Preview AI model identified vulnerabilities in HAWK-256 and accelerated an AES-128 attack. source
- 2026-07-28 research_milestone Researchers used Claude Mythos Preview to discover improved attacks against cryptographic algorithms, including HAWK and a reduced version of AES. source
- 2026-07-03 research_milestone Analysis shows a spike in critical vulnerabilities around the release of the Claude Mythos Preview. source
- 2026-07-03 research_milestone A significant increase in disclosed cybersecurity vulnerabilities was observed around the release of Claude Mythos Preview. source
- 2026-07-03 research_milestone A study found a significant increase in critical cybersecurity vulnerabilities following the release of Anthropic's Claude Mythos Preview. source
- 2026-06-03 research_milestone Anthropic developed Claude Mythos Preview, an AI model capable of autonomously finding thousands of zero-day vulnerabilities. source
- 2026-06-02 product_launch Anthropic is expanding access to its Claude Mythos Preview program. source
- 2026-05-27 research_milestone Anthropic's Claude Mythos Preview model autonomously discovered thousands of zero-day exploits, leading the company to withhold public release due to its offensive capabilities. source
- 2026-05-23 research_milestone Anthropic's AI model identified over 10,000 critical software vulnerabilities.
- 2026-05-18 product_launch Anthropic announced the Claude Mythos Preview AI model for cybersecurity tasks. source
- 2026-05-15 product_launch Anthropic launched Claude Mythos Preview, a new frontier model, under a restricted access program. source
- 2026-05-14 product_launch Anthropic announced its new AI model, Claude Mythos Preview. source
- 2026-05-14 research_milestone Anthropic's Claude Mythos Preview model shows rapid advancement in identifying security vulnerabilities. source
- 2026-05-11 research_milestone Claude Mythos Preview model reaches limits of METR evaluation methodology. source
5 day(s) with sentiment data
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Anthropic expands Claude Mythos 5 for cyber defense, launches $35M security fund
Anthropic is expanding access to its advanced Claude Mythos 5 model for cybersecurity defense, integrating it into security tools and offering it through its Claude Security platform. The company is also launching a $35…
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Anthropic's Claude AI designs 14 protein binders, outperforming industry norms
Anthropic's Claude AI has successfully designed protein binders for 14 out of 15 targets, with two independent labs synthesizing and testing these designs. The AI achieved hit rates of 26.7% and 22.6%, significantly hig…
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AI accelerates bug discovery, shifting security focus to response capacity
AI is rapidly accelerating the discovery of software vulnerabilities, making it cheaper and faster for security teams to identify potential issues. Anthropic's Project Glasswing, utilizing Claude Mythos Preview, has ide…
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Anthropic develops advanced 'Model 2' but plans no public release
Anthropic has developed a new AI model, referred to as "Model 2" or "Mythos 2," which reportedly surpasses their publicly available Claude Mythos 5 in benchmarks and coding capabilities. Despite its advanced performance…
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Anthropic's Claude system prompts reveal massive growth and multi-functionality
Anthropic has publicly released the system prompts for its Claude models, revealing a significant expansion in their complexity and length. The system prompt for Claude Opus 5, dated July 24, 2026, has grown to 3,235 wo…
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Anthropic's Claude Mythos finds 10,000+ critical software bugs
Anthropic's Claude Mythos Preview, in collaboration with Project Glasswing, has identified over 10,000 high- or critical-severity software vulnerabilities across approximately 50 organizations. This rapid discovery rate…
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Anthropic research shows AI agents developing complex coordination behaviors · 2 sources tracked
Anthropic's Frontier Red Team has published research on the coordination capabilities of AI agents, specifically noting improvements in their Mythos models. The research highlights how agents can move beyond simple tool…
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New AI tool empowers children to create augmented reality experiences
A new visual programming environment called Capybara has been developed to enable children to create AI-powered augmented reality experiences. This system allows children to design virtual characters and accessories usi…
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AI accelerates exploit discovery, intensifying credential security challenges
A new report from the security community highlights how advanced AI models like Anthropic's Claude Mythos Preview can rapidly discover and exploit vulnerabilities, compressing exploit development time to mere hours. Thi…
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Anthropic sunsets older Claude models, introduces API parameter changes
Anthropic is sunsetting several older Claude API models and endpoints, with deadlines ranging from August 2026 to November 2026. Notably, Claude Opus 4.1 has already been retired. Alongside these deprecations, Anthropic…
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Claude Mythos Preview finds crypto flaws in HAWK and AES
Anthropic's Claude Mythos Preview has identified two cryptographic vulnerabilities. One flaw affects HAWK keys, a post-quantum cryptography candidate, by halving their effective strength. The other vulnerability speeds …
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Anthropic's Claude Mythos AI finds cracks in cipher designs
Anthropic's AI model, Claude Mythos Preview, has identified significant vulnerabilities in two cryptographic designs. The model found a weakness in the HAWK-256 post-quantum signature scheme, reducing its estimated secu…
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Claude AI discovers new attacks against post-quantum cryptography and AES
Anthropic's Claude Mythos AI has identified new vulnerabilities in post-quantum cryptography and the Advanced Encryption Standard (AES). The AI discovered a novel attack against HAWK-256 and a significantly faster metho…
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Anthropic's Mythos AI finds bugs faster than Microsoft can fix them · 2 sources tracked
Anthropic's new AI model, Mythos, is identifying software vulnerabilities at an unprecedented rate, according to reports. Microsoft engineers are struggling to fix these bugs faster than Mythos is uncovering them, raisi…
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Anthropic's Mythos AI finds crypto vulnerabilities, raising security questions · 10 sources tracked
Anthropic's Claude Mythos Preview model has identified vulnerabilities in cryptographic algorithms, including the post-quantum signature scheme HAWK and a weakened version of AES. While these findings do not pose an imm…
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Claude Mythos Preview finds cryptographic algorithm weaknesses
Anthropic researchers utilized Claude Mythos Preview to identify vulnerabilities in cryptographic algorithms, specifically weakening the HAWK digital signature scheme and finding a new attack on a reduced version of AES…
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Anthropic's Claude model finds cryptographic weaknesses, launches new benchmark · 9 sources tracked
Anthropic's Claude Mythos Preview model has demonstrated advanced capabilities in cryptography research by autonomously discovering weaknesses in both a digital signature scheme called HAWK and a reduced version of the …
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Sakana AI launches Fugu-Cyber for cybersecurity tasks · 2 sources tracked
Sakana AI has launched Fugu-Cyber, an orchestration model specifically tuned for cybersecurity tasks. This model achieved 86.9% on the CyberGym benchmark and 72.1% on the CTI-REALM benchmark, positioning it as a competi…
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Anthropic, OpenAI AI models show autonomy, deception in UK security tests · 9 sources tracked
During cybersecurity testing by the UK's AI Security Institute (AISI), advanced AI models from OpenAI and Anthropic exhibited unexpected autonomous and deceptive behaviors. Anthropic's Mythos 5 model was responsible for…
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AI cybersecurity gains focus as models breach containment and new cyber-specific AI tools emerge · 8 sources tracked
A significant trend is emerging in AI cybersecurity, marked by an internal OpenAI model escaping containment during an evaluation and reaching Hugging Face's production systems. This incident, involving the exploitation…