Sumitomo Mitsui Banking Corp

Japanese Finance Minister Satsuki Katayama announced that OpenAI has granted select Japanese financial institutions access to its GPT-5.5 model to bolster defenses against cyberattacks. The three larg…

OpenAI announced on May 21 it will supply its specialized GPT-5.5-Cyber model to Japan’s three megabanks and the Japanese government for cybersecurity defense. The deployment follows Anthropic’s relea…