Dossier
GPT 5.5 Cyber
Coverage of GPT 5.5 Cyber in the Nexus archive.
- UK banks blocked from cyber AI tool Mythos get offer from rival OpenAI
Nine UK banks were blocked from accessing a cyber AI tool called Mythos and have been offered access to OpenAI's GPT 5.5 Cyber instead. Anthropic, a rival company, has blocked previews of its own tool.