OpenAI Gives Japanese Banks Early Access to Newest Model for Security Testing

Reuter: Japanese banks are getting early access to OpenAI’s newest model for security testing, which is believed to be on a par with that of rival Anthropic's Claude Mythos. There were also reports that Japan's three largest banks are expected ​to gain access to Anthropic Mythos. Adoption of the new models is expected to help stop new types of cyberattacks. These 2 “frontier AIs” are said to detect vulnerabilities far better than earlier models. --- reuters .com/world/asia-pacific/openai-gives-japan-banks-access-latest-model-japans-finance-minister-says-2026-05-29/