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Mythos Ventures is an early-stage venture capital firm investing in prosocial technologies for the transformative AI era. It partners with founding teams through their full life cycle, writing $100k - $1M checks into pre-seed and seed-stage companies.

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Polymarket: "Claude Mythos Model Release Date June 10" probability currently at 74%, up 24% in 24 hours

Odaily Seer monitoring shows that on Polymarket, the probability of "Claude Mythos model release date being June 10" is currently at 74%, up 24% in 24 hours. Additionally, the probability for "Release before June 12" stands at 83%; "Release before June 15" at 89%; "Release before June 22" at 95%; "Release before June 30" at 94%; and "Release before July 31" at 99%.Previously reported, tech journalist Alex Heath revealed that Anthropic will release a "public version of Mythos" tomorrow. The company plans to rename and slightly adjust Mythos, releasing it under the name "Fable 5."Odaily Seer continuously monitors the prediction market, seeing changes before pricing occurs.

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Anthropic: Mythos Preview outperforms humans in 64% of next-step research decisions, up from 22% in 2024

Anthropic posted on X, stating that AI research consists of a series of "next-step" decisions. They selected research sessions where human researchers took a wrong direction, showed Claude the session content up to that point, and asked it to determine the next step. The results showed that Mythos Preview outperformed humans in 64% of cases, up from 22% in 2024.

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Anthropic to Brief Global Financial Regulators on Mythos Model

Odaily reports: Artificial intelligence company Anthropic has agreed to provide a special briefing to relevant officials of the Financial Stability Board (FSB) regarding its Mythos AI model. The briefing will focus on security vulnerabilities identified by the model within the defense systems of the global financial network.According to two sources familiar with the matter, the communication was proposed by Bank of England Governor Andrew Bailey, requesting that Anthropic brief the FSB on its new preview version of the Claude·Mythos AI model. The FSB is currently compiling a report on compliance standards for the application of artificial intelligence in the financial industry, with a draft expected to be released next month for public consultation. Both the FSB and Anthropic have declined to comment on their recent communications. (Jiemian)

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Bloomberg: AI threats are increasing, with over half of blockchain attacks in 2025 theoretically automatable by AI

in April 2026, two major DeFi attacks on Drift Protocol and Kelp DAO resulted in losses of nearly $600 million, triggering approximately $9 billion in capital outflows from protocols like Aave. TRM Labs investigator Nick Carlsen stated that a hacker group suspected to be linked to North Korea has allegedly used AI to assist in target selection and attack path design. Failsafe CEO Aneirin Flynn said that AI has compressed the time for discovering blockchain vulnerabilities from months to days or even hours. The report noted that Anthropic has not fully opened its AI model Mythos due to cybersecurity risks, claiming the model has the capability to discover large-scale zero-day vulnerabilities. Its research indicates that over half of blockchain attacks in 2025 could theoretically be completed autonomously by AI. (Bloomberg)

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Depthfirst claims its code vulnerability detection has surpassed Anthropic's latest model Mythos

Odaily AI security startup Depthfirst has announced that its self-developed AI model outperforms Anthropic’s latest model, Mythos, in code vulnerability detection. It has discovered more critical security vulnerabilities at approximately one-tenth the cost, drawing attention from the cybersecurity industry.According to the company, a month before the launch of Mythos, it had previously claimed to have found a large number of severe vulnerabilities in key internet infrastructure code. Depthfirst now says its model has further identified multiple high-risk vulnerabilities that Mythos missed, all at a lower cost (approximately $1,000 compared to $10,000).Depthfirst CEO Qasim Mithani stated that the company has improved vulnerability detection efficiency through a “single-task-optimized AI model,” significantly reducing the cost of security analysis while enhancing coverage depth.The company completed $80 million in funding in March this year, achieving a valuation of $580 million. Alongside this, it launched the “Open Defense Initiative,” providing $5 million worth of AI detection credits to open-source developers and critical infrastructure projects for vulnerability scanning and security audits. (Forbes)

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The White House Opposes Anthropic’s Expansion of Mythos Usage to 120 Companies, Citing Concerns Over Insufficient Computing Power

the White House has recently opposed Anthropic's proposal to expand the use of its AI model, Mythos, to approximately 120 companies, primarily based on security and computing power concerns. Anthropic had originally planned to add 70 new companies to the roughly 50 enterprises currently using Mythos, but the White House has raised doubts, worrying that insufficient computing power might affect the government's own usage of Mythos.Launched in early April, Mythos is designed to detect and exploit critical software vulnerabilities. It is currently limited to testing by enterprises managing key infrastructure, with no plans for public release. The White House fears that expanding usage to more commercial users could create a computing power bottleneck for the government when using the model. This is particularly concerning given Anthropic's computing power procurement agreements with Amazon, Google, and Broadcom—though contracts have been signed, new capacity has not yet come online.On the political front, relations between the White House and Anthropic have not eased. The Trump administration has publicly criticized Anthropic for hiring multiple former officials from the Biden administration and expressed dissatisfaction with its ties to liberal organizations. One example highlights the trust issues between the two sides: Collin Burns, a former researcher at Anthropic who was originally assigned to a government AI model evaluation role, was replaced by senior White House officials upon learning of his background, to avoid having AI company personnel directly involved in matters concerning dealings with other AI companies.Additionally, last week Anthropic disclosed an unauthorized access incident involving the Mythos model, further intensifying external regulatory scrutiny on the company.

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White House Opposes Anthropic’s Expansion of Access to Mythos Model

According to The Wall Street Journal, the White House has signaled its opposition to Anthropic’s plan to expand the usage scope of its AI model, Mythos. Anthropic recently proposed granting access to Mythos for approximately 70 additional companies and institutions, which would bring the total number of authorized entities to around 120. In response, government officials explicitly objected on security grounds. Sources familiar with the matter said some White House officials are concerned that Mythos possesses the capability to launch cyberattacks and cause large-scale disruption online, viewing the expansion of access as a security risk. Additionally, some officials have questioned Anthropic’s computational resources, expressing doubts about whether the company can simultaneously support a significantly increased number of users while ensuring effective government access to and use of the system. Currently, although both sides aim to ease tensions, the disagreement over Mythos access remains unresolved.

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Analysis: Anthropic and OpenAI Exposed Security Vulnerabilities in Succession, Raising Concerns Over AI Model Safety

, Anthropic and OpenAI have experienced security incidents in succession, drawing market attention to the security of AI models themselves. Currently, Anthropic is investigating a possible case of unauthorized user access to its Claude Mythos model. Almost simultaneously, OpenAI was also reported to have accidentally opened access to several unreleased models within its Codex application.Analysts believe that such incidents highlight that even AI model providers focused on cybersecurity capabilities still face significant security challenges. While AI is increasingly used for cyber defense, platform security and access control are becoming critical risk points.Industry insiders point out that these vulnerability incidents have intensified scrutiny over the security governance capabilities of AI companies, and also reflect that the security systems of current AI technology still need improvement amid rapid development. (The Information)

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OpenAI CEO Accuses Anthropic of “Fear-Based Marketing” with Claude Mythos

According to Decrypt, OpenAI CEO Sam Altman stated that Anthropic is promoting its AI model Claude Mythos through “fear-based marketing,” using narratives about security risks to justify its limited-open strategy. Claude Mythos has recently drawn attention for its ability to autonomously discover software vulnerabilities and perform complex cybersecurity operations. The report notes that Mozilla previously disclosed that the model identified 271 vulnerabilities in the Firefox browser during testing. Meanwhile, discussions surrounding the model’s potential offensive cybersecurity risks continue to intensify. Altman also emphasized that OpenAI will not scale back its infrastructure investments and will continue expanding its computational capabilities.

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SlowMist CISO: Hacker group ShinyHunters claims to have breached Anthropic’s internal systems; authenticity awaits official confirmation.

23pds, Chief Information Security Officer of SlowMist Technology, retweeted a post from the dark web intelligence account Dark Web Intelligence (@DailyDarkWeb), stating that the hacker group ShinyHunters claims to have breached internal systems related to Anthropic’s Mythos model and has shared screenshots—including those of the user management panel, AI experiment dashboard, and model performance and cost analysis. As of now, Anthropic has not officially confirmed the authenticity of this claim. Given that numerous enterprises have already applied for trial access to the relevant models, if this report proves true, it could pose indirect security risks to leading technology firms and crypto-related businesses.

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Anthropic Claude Mythos Discovers 271 Vulnerabilities in Firefox Browser

According to Decrypt, Mozilla recently revealed that Anthropic’s latest AI model, Claude Mythos, identified 271 security vulnerabilities during internal testing of the Firefox browser; all related vulnerabilities were patched this week. For comparison, a previous Anthropic model had detected only 22 security-sensitive vulnerabilities. Mozilla stated that all discovered vulnerabilities fell within the scope of what top human researchers could identify. Claude Mythos was officially launched in March 2026 and is Anthropic’s most powerful model to date for reasoning, coding, and cybersecurity. It is currently available exclusively to vetted partners—including Amazon, Apple, and Microsoft—under Anthropic’s “Project Glasswing” initiative.

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MAS Warns Banks to Strengthen Cybersecurity Defenses Against Risks Posed by the Proliferation of Anthropic’s Mythos AI Model

According to Cointelegraph, the Monetary Authority of Singapore (MAS) has urged banks to strengthen their cybersecurity defenses amid heightened regulatory attention triggered by the spread of Anthropic’s Mythos AI model across Asia.

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Financial Officials Warn Anthropic's Claude Mythos Preview Model Endangers Global Banking Network Defenses

Odaily News Financial officials have warned that Anthropic's Claude Mythos Preview model poses a serious threat to the cybersecurity defenses of the global banking system. (Financial Times)

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Anthropic Restricts Mythos Model Release, Citing National Security Risks

Odaily News Anthropic has decided to restrict the public release of its Mythos model due to its highly automated cyber attack capabilities. Reports indicate that during internal testing, the model was already capable of independently completing vulnerability discovery and exploitation processes, and generating multi-step attack plans.Informed sources stated that in early testing, Mythos could autonomously build intrusion tools targeting Linux systems and, with guidance, execute complex vulnerability chain attacks. These capabilities were assessed as potentially posing risks to global infrastructure.Anthropic's management ultimately positioned Mythos as a cyber defense tool and opened it for testing to select institutions in a restricted manner. Industry insiders pointed out that similar models could significantly enhance the efficiency of cyber offense and defense, while also potentially introducing new security challenges. (Bloomberg)

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Coinbase and Binance are seeking access to Anthropic’s restricted AI model, Mythos.

According to The Information, Coinbase and Binance are seeking access to Anthropic’s restricted AI model, Mythos, as cryptocurrency exchanges and custodians prepare for a new wave of AI-driven cyber threats. The report states that Coinbase is in close communication with Anthropic regarding Mythos; Philip Martin, Coinbase’s Chief Security Officer, said the model will accelerate digital threat detection and defense. Meanwhile, Binance and Fireblocks are also taking steps to assess how significantly it could reshape cyber offense and defense tools.

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Wall Street banks are testing Anthropic’s Mythos large language model.

According to Caixin Global, Wall Street banks including Goldman Sachs and Morgan Stanley are testing Anthropic’s Mythos large language model.

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