OpenAI to give EU access to new cyber model but Anthropic still holding out on Mythos
OpenAI just opened its cyber model to EU teams. Anthropic isn't budging on Mythos.

Why it matters
OpenAI is strategically fragmenting AI model access by geography and use-case, while competitors like Anthropic maintain stricter controls—signaling divergent approaches to regulatory compliance and market positioning in the EU.
The key facts
8 to knowOpenAI granting preview access to new cyber model to vetted cybersecurity teams
EU-specific access strategy
Anthropic withholding Mythos from EU market
Regulatory/geographic fragmentation in model deployment
Cybersecurity-specialized model release
EU-specific rollout announced Thursday
Anthropic withholding access to Mythos model
Divergent regional access strategies between OpenAI and Anthropic
Go to the source
CNBC Technologycnbc.com
Publisher excerpt: OpenAI announced on Thursday it was granting preview access to its latest cyber model to vetted cybersecurity teams.