Key facts
- Nine UK banks were offered access to OpenAI's GPT-5.5 Cyber.
- These banks had been blocked from accessing a rival AI tool by Anthropic.
- GPT-5.5 Cyber is intended to enhance cybersecurity measures.
- The tool aims to strengthen defenses against sophisticated cyber threats.
- Anthropic's Mythos found hundreds of vulnerabilities in Firefox.
- The UK AISI reports OpenAI's GPT 5.5 is one of the strongest cyber models.
As cyber threats become more sophisticated, financial institutions worldwide are seeking advanced technological solutions to protect their systems. The competition between AI providers like OpenAI and Anthropic to serve the financial sector highlights the growing demand for AI-powered cybersecurity tools. The discovery of vulnerabilities in Firefox by Anthropic's tool and the assessment of OpenAI's GPT 5.5 as a powerful cyber model underscore the rapid advancements and competitive landscape in AI-driven cybersecurity.