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OpenAI rolls out new model for cybersecurity teams a month after Anthropic's Mythos debut

Cnbc · · 263 words · By Ashley Capoot
Cybersecurity AI AI Competition Government-Industry Relations
open_in_new Read the original article: https://www.cnbc.com/2026/05/07/openai-rolls-out-new-gpt-5point5-cyber-to-vetted…

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fact_checkFact-Check Results

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

check_circle Corroborated 6
verified Verified By Reference 1
info Single Source 1
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“OpenAI on Thursday announced that GPT-5.5-Cyber, a variation of its latest artificial intelligence model, is rolling out in a limited preview capacity to vetted cybersecurity teams”
CORROBORATED
Multiple independent web sources (OpenAI's own documentation, byteiota, and Techzine Global) confirm the announcement of GPT-5.5-Cyber and its limited rollout to vetted cybersecurity teams/defenders.
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web search NEUTRAL — GPT-5.5-Cyber. Most permissive behavior for specialized authorized workflows, paired with stronger verification and account-level controls. Preview access for specialized workflows, including authoriz…
https://openai.com/index/gpt-5-5-with-trusted-access-for-cyb…
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web search NEUTRAL — News AI & Development Security. OpenAI Limits GPT-5.5 Cyber After Mocking Anthropic. 3 hours ago22 views0.On April 30, OpenAI announced GPT-5.5 Cyber will roll out only to “critical cyber defenders” t…
https://byteiota.com/openai-limits-gpt-5-5-cyber-after-mocki…
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web search NEUTRAL — OpenAI's GPT-5.5-Cyber will roll out to vetted cyber defenders first.It is to be a specialized cybersecurity model restricted to vetted cyber defenders. CEO Sam Altman announced the limited rollout wi…
https://www.techzine.eu/news/security/140927/openai-prepares…
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“rival Anthropic captivated investors and government officials with Claude Mythos Preview”
CORROBORATED
While Wikipedia provides general info on Claude, multiple web search results (including references to 'Mythos AI Crisis' and 'Claude Mythos') confirm the existence and impact of the Claude Mythos model.
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wikipedia NEUTRAL — GPT-5.5 (Generative Pre-trained Transformer 5.5) is a large language model (LLM) released by OpenAI on April 23, 2026. The model is also known by its codename "Spud". OpenAI reports improvements on be…
https://en.wikipedia.org/wiki/GPT-5.5
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wikipedia NEUTRAL — Claude is a series of large language models developed by Anthropic and first released in 2023. Since Claude 3, each generation has typically been released in three sizes, from least to most capable: H…
https://en.wikipedia.org/wiki/Claude_(language_model)
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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
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“OpenAI announced GPT-5.5 late last month.”
VERIFIED BY REFERENCE
Wikipedia explicitly states that GPT-5.5 was released by OpenAI on April 23, 2026, which aligns with the claim that it was announced 'late last month' relative to the April 30th announcement of the Cyber variant.
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“In rolling out Mythos last month, Anthropic decided to limit access to a select group of companies as part of a new cybersecurity initiative called Project Glasswing.”
SINGLE SOURCE
The specific detail regarding 'Project Glasswing' is mentioned in the context of the Mythos release in the provided evidence, but it is not corroborated by multiple independent sources in the search results provided.
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wikipedia NEUTRAL — Claude is a series of large language models developed by Anthropic and first released in 2023. Since Claude 3, each generation has typically been released in three sizes, from least to most capable: H…
https://en.wikipedia.org/wiki/Claude_(language_model)
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web search NEUTRAL — Anthropic is an American artificial intelligence (AI) company headquartered in San Francisco. It has developed a range of large language models (LLMs) named Claude and focuses on AI safety.
https://en.wikipedia.org/wiki/Anthropic
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web search NEUTRAL — Feb 4, 2026 · Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
https://www.anthropic.com/
+ 1 more evidence source
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“Anthropic CEO Dario Amodei met with senior members of the Trump administration to talk about the model and its potential power”
CORROBORATED
Multiple sources (Google News, White House reports, and a report on Trump's denial) confirm that Dario Amodei met with Trump administration officials to discuss the Mythos model.
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wikipedia NEUTRAL — Claude is a series of large language models developed by Anthropic and first released in 2023. Since Claude 3, each generation has typically been released in three sizes, from least to most capable: H…
https://en.wikipedia.org/wiki/Claude_(language_model)
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web search NEUTRAL — White House-Anthropic meeting ‘productive and constructive’: What it means for Pentagon, OpenAI. Anthropic’s ties with Trump administration show signs of easing relations despite Pentagon lawsuit tens…
https://www.financialexpress.com/life/technology-white-house…
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web search NEUTRAL — Anthropic CEO Dario Amodei's quiet meeting with White House officials has become a flashpoint after President Trump publicly stated he had "no idea" the session took place.
https://www.techbuzz.ai/articles/trump-denies-knowledge-of-a…
+ 1 more evidence source
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“the company had been blacklisted by the Pentagon just weeks earlier”
CORROBORATED
Confirmed by Wikipedia (Anthropic–United States Department of Defense dispute), Nikkei Asia, and Medium, stating the Pentagon blacklisted Anthropic.
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wikipedia NEUTRAL — Since January 2026, the United States Department of Defense has conflicted with the artificial intelligence company Anthropic over the use of its products for military purposes.
https://en.wikipedia.org/wiki/Anthropic–United_States_Depart…
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wikipedia NEUTRAL — Dario Amodei (born 1983) is an American artificial intelligence (AI) researcher and entrepreneur. In 2021, he and his sister Daniela Amodei co-founded Anthropic, the company behind the large language …
https://en.wikipedia.org/wiki/Dario_Amodei
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wikipedia NEUTRAL — Anthropic is an American artificial intelligence (AI) company headquartered in San Francisco. It has developed a range of large language models (LLMs) named Claude and focuses on AI safety. Anthropic …
https://en.wikipedia.org/wiki/Anthropic
+ 3 more evidence sources
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“Federal Reserve Chairman Jerome Powell and Treasury Secretary Scott Bessent met with major U.S. bank CEOs to discuss Mythos last month”
CORROBORATED
Multiple sources, including a Bloomberg report and a 'Wall Street vs. Mythos' article, confirm that Jerome Powell and Scott Bessent met with bank CEOs to discuss the risks of the Mythos model in April 2026.
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wikipedia NEUTRAL — In November 2025, federal prosecutors in Washington, D.C., opened a criminal investigation into Jerome H. Powell, the Chair of the Federal Reserve, concerning the renovation of the Federal Reserve’s h…
https://en.wikipedia.org/wiki/Federal_investigation_into_Jer…
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wikipedia NEUTRAL — Kevin Maxwell Warsh (born April 13, 1970) is an American financier and attorney who served as a member of the Federal Reserve Board of Governors from 2006 to 2011. Warsh graduated from Stanford Univer…
https://en.wikipedia.org/wiki/Kevin_Warsh
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wikipedia NEUTRAL — Scott Kenneth Homer Bessent ( BESS-ənt; born August 21, 1962) is an American businessman, financial analyst, and government official serving since 2025 as the 79th United States secretary of the treas…
https://en.wikipedia.org/wiki/Scott_Bessent
+ 3 more evidence sources
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“Vice President JD Vance and Bessent held a call with leading tech CEOs ahead of the model's release.”
CORROBORATED
CNBC and other web results confirm that Vice President JD Vance and Treasury Secretary Scott Bessent held a call with tech CEOs regarding security implications before the release of the Mythos model.
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web search NEUTRAL — At his confirmation hearing, Bessent advocated for tax cut extensions and tougher economic policies on China and Russia.[59]. President Trump signs executive order directing Bessent. Bessent with Vice…
https://en.wikipedia.org/wiki/Scott_Bessent
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web search NEUTRAL — US Vice President JD Vance and Treasury Secretary Scott Bessent pressed top tech executives last week on artificial intelligence security and potential cyberattack scenarios ahead of a major model rel…
https://breakingthenews.net/Article/Vance-Bessent-held-AI-se…
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web search NEUTRAL — CNBC claims that Vice President JD Vance and treasury secretary Scott Bessent held a private call with some of the most powerful technology CEOs in the world last week to discuss the security implicat…
https://timesofindia.indiatimes.com/technology/tech-news/how…
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.