GPT5 Pulls Ahead on Secure Code While Rivals Stall
AI coding assistants are evolving quickly. But are the latest models any better at writing secure code? Our October 2025 analysis brings fresh data on how newer large language models (LLMs) stack up against their predecessors, and the results reveal both progress and persistent gaps. This update builds on our July 2025 GenAI Code Security Report, which tested over 100 LLMs across four major programming languages.