FinanceMUFG, SMBC and Mizuho were likely informed of decision by US Treasury Secretary BessentJapan's Mitsubishi UFJ Financial Group, Mizuho Financial Group and Sumitomo Mitsui Financial Group are set to gain access to Claude Mythos, the powerful AI model developed by U.S. startup Anthropic. (Nikkei montage/Source photos by Suzu Takahashi and Nanami Sato)Nikkei staff writersMay 13, 2026 11:23 JSTUpdated on May 13, 2026 15:29 JSTTOKYO -- Japan's three megabanks are set to gain access to Claude Mythos, the powerful artificial intelligence model developed by U.S. startup Anthropic, as soon as the end of May, Nikkei learned Wednesday.
Japan megabanks to gain access to Anthropic's powerful AI model Mythos
MUFG, SMBC and Mizuho were likely informed of decision by US Treasury Secretary Bessent
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