OpenAI Expands Cybersecurity Program Amid Competitive Pressure from Anthropic

By Patricia Miller

Apr 17, 2026

2 min read

OpenAI's expansion of its Trusted Access for Cyber program challenges Anthropic's Mythos model, affecting market dynamics.

#How is OpenAI Expanding Its Cybersecurity Program?

OpenAI is taking significant steps to enhance its Trusted Access for Cyber program in light of the competition from Anthropic's Mythos model. Currently, there is a 21.5% chance that Anthropic will have the third best AI model by April 30, 2026. This figure reflects increased concerns regarding the effectiveness of Mythos as a competitive product.

The expansion by OpenAI allows a wider group of users to access its technology compared to Anthropic's more restricted release of its Claude Mythos Preview. By offering broader access, OpenAI aims to position itself favorably in the market while potentially undermining Anthropic’s position if its model is perceived as too risky for widespread adoption.

This broader distribution involves the GPT-5.4-Cyber model, which is developed specifically for defensive cybersecurity tasks. As it reaches thousands of verified users, this strategy directly challenges Anthropic’s limited approach. With only two weeks remaining until the April 30 resolution, the odds of Anthropic ranking third appear more negative as OpenAI's strategy unfolds.

#What is the Current Trading Situation?

Currently, the trading volume for the market related to Anthropic is relatively low, with no clear face value being reported. This indicates that traders are proceeding with caution. In a thin market, even small changes can result in significant fluctuations, meaning that any new developments could quickly alter the odds.

The way Anthropic restricts access to its Mythos model creates an opening for OpenAI to capture a larger share of the cybersecurity market. If you invest in the YES option at 21.5 cents, a favorable outcome would yield a return of $1 if Anthropic secures a third-place finish by the deadline. However, this requires Mythos to surpass its competitors in crucial performance benchmarks within a narrow timeframe.

Investors should closely monitor announcements from benchmark evaluators like LMSYS Chatbot Arena, as well as potential performance updates from Google DeepMind or OpenAI. Any such news could lead to rapid shifts in the current market dynamics.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.