Observed Signal · May 29, 2026 · Policy Update · Source: CNBC Technology · Impact: 4/5 · Sentiment: Neutral
EU to Intensify Talks with U.S. Over Advanced Cyber AI Models
The European Commission is seeking to intensify discussions with the U.S. administration about the most advanced AI models, specifically those with cyber capabilities, a Commission spokesperson told CNBC. Concern has grown after Anthropic’s Mythos model — announced in April — demonstrated advanced cyber abilities and was released in a limited preview called Project Glasswing. Anthropic has not given preview access to the EU or most non-U.S. governments (aside from the U.K.’s AI Security Institute). The White House says it is working closely with AI labs to balance innovation and safety while preserving U.S. leadership in AI. Anthropic CEO Dario Amodei warned of a 6–12 month window to patch vulnerabilities surfaced by Mythos.
Government-level discussions over access and safety of advanced AI models (Anthropic's Mythos) could shape cross-border model access, regulatory standards, and risk controls that affect AI deployment and security practices across industries.
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Key Takeaways & Evidence Grounding
- The European Commission intends to "intensify" talks with the U.S. administration on advanced AI models with cyber capabilities.
- Anthropic announced the Mythos model in April; it reportedly has advanced cyber abilities and prompted government and business concerns.
- Anthropic initially provided Mythos preview access to a select group under Project Glasswing and has not granted preview access to the EU or most non-U.S. governments aside from the U.K.’s AI Security Institute.
- The White House says it is working closely with AI labs to balance innovation and safety and to preserve U.S. leadership over China in AI.
- Anthropic CEO Dario Amodei warned there is a six- to 12-month window to patch tens of thousands of software vulnerabilities identified by Mythos.
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Anthropic Offers EU Access to Mythos Model
Anthropic has agreed to share access to its most advanced AI model, Mythos, with the European Union after several weeks of talks driven by EU cybersecurity concerns. The European Commission held multiple productive meetings with Anthropic to evaluate risks posed by the model, which Anthropic initially rolled out in April under Project Glasswing for cybersecurity use cases and is capable of uncovering large numbers of software vulnerabilities. Anthropic told the Commission it required U.S. government permission to grant access, prompting recent EU discussions with U.S. authorities. The development follows the EU gaining access to OpenAI’s GPT-5.5-Cyber model in May and comes amid broader U.S. agreements to let the government assess advanced AI models from major vendors.
OpenAI Grants EU Access to GPT-5.5-Cyber
OpenAI said on May 11, 2026 that it will grant European partners — including businesses, governments, cyber authorities and EU institutions — access to GPT-5.5-Cyber, a variant of its latest AI model. The company began a limited preview of the cyber model for vetted cybersecurity teams last week. The European Commission confirmed an exchange with OpenAI and said further discussions are planned to allow close oversight of the model’s deployment. Anthropic, which released its Mythos model a month earlier, has not yet provided the EU preview access; the Commission said talks with Anthropic are at a different stage. OpenAI described the move as part of an "OpenAI EU Cyber Action Plan" to broaden access to defensive tools and work with European policymakers and institutions.
Banks Alarmed by Anthropic's Mythos AI Model
European banks and financial regulators are reviewing risks after Anthropic unveiled its new AI model, Mythos, which reportedly can identify cybersecurity vulnerabilities in code and systems. Deutsche Bank CEO Christian Sewing said banks are in close contact with European supervisors and monitoring the issue within risk management processes. Anthropic has limited access to Mythos to a select group of (primarily US) companies and authorities under a project called "Glasswing." German and European agencies — including the BSI, BaFin and ECB supervisors — are assessing potential impacts, and US officials convened urgent talks with major US bank CEOs to discuss mitigation measures. Industry groups expect rapid software updates and coordinated responses if vulnerabilities are discovered.
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