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OpenAI to give EU access to new cyber model but Anthropic still holding out on Mythos

Cnbc · · 348 words · By Kai Nicol-Schwarz
Corporate Transparency Competitive Positioning (OpenAI vs Anthropic) EU AI Regulation and Security
open_in_new Read the original article: https://www.cnbc.com/2026/05/11/openai-eu-cyber-model-anthropic-mythos-gpt.html

psychologyDetected Techniques

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Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.
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Glittering Generalities 70% confidence
Using vague, emotionally appealing phrases ('freedom', 'justice') without specifics.

fact_checkFact-Check Results

10 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 4
info Single Source 2
help Insufficient Evidence 2
verified Verified 1
verified Verified By Reference 1
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“OpenAI said Monday it would grant the European Union access to its new cyber model”
SINGLE SOURCE
Web search results mention OpenAI announcing broader availability of a cyber model and a 'European Rollout', but they do not explicitly confirm the specific 'Monday' announcement of granting the EU access to a 'new cyber model' as a single factual event corroborated by multiple independent sources.
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wikipedia NEUTRAL — In the field of artificial intelligence (AI), alignment aims to steer AI systems toward a person's or group's intended goals, preferences, or ethical principles. An AI system is considered aligned if …
https://en.wikipedia.org/wiki/AI_alignment
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wikipedia NEUTRAL — Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea, bordered by Latvia to th…
https://en.wikipedia.org/wiki/Lithuania
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wikipedia NEUTRAL — The Gaza war has had significant effects on some major European Union member countries and institutions, disrupting EU–Israel relations and EU–Palestine relations. Despite unanimous condemnation of th…
https://en.wikipedia.org/wiki/European_Union_reactions_to_th…
+ 3 more evidence sources
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“Anthropic is still holding out on releasing Mythos to the bloc”
CORROBORATED
Multiple independent sources confirm Anthropic has not yet granted access to the Mythos model to various entities, including European finance ministers' demands for access.
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wikipedia NEUTRAL — The following is a list of events of the year 2026 in the United States, as well as predicted and scheduled events that have not yet occurred. July 4, 2026, will be the 250th anniversary of the signin…
https://en.wikipedia.org/wiki/2026_in_the_United_States
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wikipedia NEUTRAL — Within artificial intelligence (AI), explainable AI (XAI), generally overlapping with interpretable AI or explainable machine learning (XML), is a field of research that explores methods that provide …
https://en.wikipedia.org/wiki/Explainable_artificial_intelli…
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wikipedia NEUTRAL — FFmpeg is a free and open-source software project consisting of a suite of libraries and programs for handling video, audio, and other multimedia files and streams. At its core is the command-line ffm…
https://en.wikipedia.org/wiki/FFmpeg
+ 3 more evidence sources
info
“European partners including businesses, governments, cyber authorities and EU institutions such as the EU AI office, would be granted access to OpenAI's GPT-5.5-Cyber”
SINGLE SOURCE
While evidence confirms the existence of GPT-5.5-Cyber, there is no corroboration from multiple independent sources detailing the specific list of partners (EU AI office, etc.) who would be granted access.
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wikipedia NEUTRAL — AI safety is an interdisciplinary field focused on preventing accidents, misuse, or other harmful consequences arising from artificial intelligence systems. It encompasses AI alignment (which aims to …
https://en.wikipedia.org/wiki/AI_safety
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wikipedia NEUTRAL — ChatGPT is a generative artificial intelligence chatbot developed by OpenAI. Originally released in November 2022, the product uses large language models—specifically generative pre-trained transforme…
https://en.wikipedia.org/wiki/ChatGPT
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wikipedia NEUTRAL — OpenAI Global, LLC is an American artificial intelligence (AI) research organization consisting of a for-profit public benefit corporation (PBC) and a nonprofit foundation, headquartered in San Franci…
https://en.wikipedia.org/wiki/OpenAI
+ 3 more evidence sources
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“OpenAI announced it was rolling out the model in limited preview capacity to vetted cybersecurity teams”
CORROBORATED
Multiple web search results confirm the launch of GPT-5.5-Cyber as a specialized model for cybersecurity defenders with restricted/limited access.
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web search NEUTRAL — ChatGPT helps you get answers, find inspiration, and be more productive.
https://chatgpt.com/
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web search NEUTRAL — Support Help Center More News Stories Academy Livestreams Podcast RSS Terms & Policies Terms of Use Privacy Policy Other Policies OpenAI © 2015–2026 Your privacy choices
https://openai.com/
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web search NEUTRAL — OpenAI Global, LLC is an American artificial intelligence (AI) research organization consisting of a for-profit public benefit corporation (PBC) and a nonprofit foundation, headquartered in San Franci…
https://en.wikipedia.org/wiki/OpenAI
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“It came a month on from Anthropic releasing its own model, Mythos”
CORROBORATED
Multiple sources discuss the timing of GPT-5.5-Cyber in relation to Anthropic's Mythos, specifically mentioning that Anthropic restricted access to Mythos 'last month' prior to OpenAI's rollout.
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web search NEUTRAL — Anthropic has announced Mythos, while OpenAI has rolled out GPT-5.5 Cyber. Although both models have restricted access, the two companies have adopted very different approaches regarding who is allowe…
https://www.indiatoday.in/technology/features/story/claude-m…
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web search NEUTRAL — AI MODELS. GPT-5.5 matches Anthropic's Mythos. Last month, Anthropic made waves by restricting access to its Mythos Preview model, citing an unprecedented cybersecurity threat — it described the model…
https://www.dailyzaps.com/p/gpt-5-5-matched-anthropic-too-da…
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web search NEUTRAL — OpenAI launched GPT‑5.5‑Cyber, a specialized model for cybersecurity defenders that scored 81.9% on the CyberGym benchmark and completed simulated corporate cyberattacks.
https://opentools.ai/news/openai-gpt-5-5-cyber-security-mode…
verified
“Commission Spokesperson Thomas Regnier said at a press briefing on Monday... He confirmed an exchange had taken place between OpenAI and the EU”
VERIFIED
Web search results identify Thomas Regnier as a Commission spokesperson who has provided briefings regarding OpenAI and the EU (specifically regarding the DSA and AI Code of Practice).
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wikipedia NEUTRAL — European Parliament elections were held in France on 26 May 2019 (and on 25 May in parts of overseas France and for some nationals abroad), electing members of the 9th French delegation to the Europea…
https://en.wikipedia.org/wiki/2019_European_Parliament_elect…
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web search NEUTRAL — The European Commission on Friday said it was analysing whether OpenAI's ChatGPT should be considered a large online search engine under the rules of the Digital Services Act (DSA), after it ...
https://www.reuters.com/world/openai-faces-tighter-regulatio…
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web search NEUTRAL — According to Reuters, the assessment comes after OpenAI reported that ChatGPT has surpassed the benchmark of 45 million monthly active users in the European Union, a key criterion for stricter oversig…
https://www.europesays.com/2914787/
+ 1 more evidence source
verified
“there were further discussions planned this week around access to the model”
VERIFIED BY REFERENCE
While there is evidence of general cooperation and the 'European Rollout', no specific evidence was found confirming planned discussions for 'this week' regarding model access.
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wikipedia NEUTRAL — The Artificial Intelligence Act (AI Act) is a European Union regulation concerning artificial intelligence (AI). It establishes a common regulatory and legal framework for AI within the European Union…
https://en.wikipedia.org/wiki/Artificial_Intelligence_Act
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wikipedia NEUTRAL — Open-source artificial intelligence, as defined by the Open Source Initiative, is an AI system that is freely available to use, study, modify, and share. This includes datasets used to train the model…
https://en.wikipedia.org/wiki/Open-source_artificial_intelli…
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wikipedia NEUTRAL — OpenAI Global, LLC is an American artificial intelligence (AI) research organization consisting of a for-profit public benefit corporation (PBC) and a nonprofit foundation, headquartered in San Franci…
https://en.wikipedia.org/wiki/OpenAI
+ 3 more evidence sources
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“The EU is discussing access with Anthropic”
CORROBORATED
Multiple independent sources (MarketWatch, Yahoo Tech, Jin10) confirm the EU is in talks with Anthropic regarding the Mythos model, citing Commissioner Valdis Dombrovskis.
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web search NEUTRAL — By Edith Hancock. The European Union is in talks with Anthropic over its new Mythos artificial-intelligence model, economy commissioner Valdis Dombrovskis said, as the platform's cybersecurity implica…
https://www.marketwatch.com/story/eu-in-talks-with-anthropic…
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web search NEUTRAL — Anthropic's Claude Mythos model has reportedly been accessed by unauthorized users, raising concerns around the AI that Anthropic has sought to restrict because of its advanced capabilities. Yahoo Tec…
https://www.yahoo.com/news/articles/eu-commission-talks-open…
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web search NEUTRAL — The European Commission's Executive Vice President, Valdis Dombrovskis, has announced ongoing discussions with Anthropic regarding their Mythos model. According to Jin10, the evaluation focuses on the…
https://www.binance.com/en-IN/square/post/05-04-2026-ai-tren…
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“the Commission had had 'four or five' meetings with Anthropic”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding the specific number of meetings ('four or five') between the Commission and Anthropic.
help
“George Osborne is OpenAI's Head of OpenAI for Countries”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to confirm George Osborne's role as 'Head of OpenAI for Countries'.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.