India, April 15 -- OpenAI has started to offer limited access to its new AI model, GPT-5.4-Cyber, which is designed to pinpoint software vulnerabilities. This rollout comes just a week after Anthropic launched its own competing model, Claude Mythos Preview.

Initially, this model is being made available to a select group within OpenAI's Trusted Access for Cyber program, reaching a few hundred users now, with plans to widen access to thousands soon.

GPT-5.4-Cyber aims to assist organizations in identifying and correcting security issues, and with fewer limitations in place, it allows for deeper system probing.

This step underscores the growing rivalry between OpenAI and Anthropic in the realm of advanced AI, particularly regarding cybersec...