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MNN Global · June 2, 2026 · 1 min read

UK banks offered OpenAI’s GPT 5.5 Cyber after rival blocks access

What happened: Nine UK banks, denied previews of Anthropic's Mythos AI tool, have been offered access to OpenAI's GPT 5.5 Cyber. Anthropic, a competitor, has restricted its AI tool previews to these banks.

Why it matters:

  • Banks gain access to advanced AI for cybersecurity and operations.
  • Competition between AI firms affects which technologies financial institutions can use.

MNN Take: Access to AI tools like GPT 5.5 Cyber can enhance banks' cyber defences and services, while rival firms' decisions influence market availability.

Sources: BBC Business