🇪🇺OpenAI Gives EU Access To GPT-5.5-Cyber, Anthropic Still Holds Back Mythos
OpenAI Gives EU Access To GPT-5.5-Cyber, Anthropic Still Ho…
TL;DR
OpenAI announced the European Union will get access to its new cyber-defense focused GPT-5.5-Cyber model.
OpenAI announced the European Union will get access to its new cyber-defense focused GPT-5.5-Cyber model. Anthropic, by contrast, is still withholding direct access to Claude Mythos from EU regulators, citing security and misuse concerns.
Key Points
EU businesses, governments and institutions get GPT-5.5-Cyber
Anthropic still restricting Mythos access from EU regulators
Reflects diverging frontier-lab disclosure strategies
Why It Matters
Frontier labs are splitting on how much they share with regulators. The choices made now will shape EU AI Act enforcement for years.
Frequently Asked Questions
Why does this matter?
Frontier labs are splitting on how much they share with regulators. The choices made now will shape EU AI Act enforcement for years.
What happened?
OpenAI announced the European Union will get access to its new cyber-defense focused GPT-5.5-Cyber model.
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