GPT-5.5-Cyber beats Anthropic Mythos on security benchmarks
Security tooling and frontier LLMs were separate conversations. There was little reason to pick a general LLM for incident response or threat analysis.
GPT-5.5-Cyber, a cybersecurity-tuned model, outperforms Anthropic's Mythos on a security benchmark, per THE DECODER
CISOs and SOC teams can now justify a frontier LLM in their security stack. For everyday personal use, day-to-day impact is negligible.