Japan megabanks to gain access to Anthropic's Mythos in about two weeks, source says

Sumitomo Mitsui Financial

13/05/2026 06:03

By Takaya Yamaguchi

TOKYO, May 13 (Reuters) - Japan's three largest banks are expected to gain access to Mythos, the artificial intelligence model developed by Anthropic, in about two weeks, a person with direct knowledge of the matter said.

Mythos is viewed by cybersecurity experts as posing significant challenges ​to the banking industry and its legacy technology systems, prompting a series of warnings from regulators ​and policymakers.

 (Reporting by Takaya Yamaguchi; Additional reporting by Miho Uranaka; Writing by Sam Nussey; Editing by Muralikumar Anantharaman)

 ((sam.nussey@tr.com;))