OpenAI says it has already put GPT-5.5’s coding skills to use internally. The LLM helped optimize the software that manages ...

OpenAI has rolled out a new coding-focused AI model, GPT-5.3-Codex, at a time when competition in developer-facing AI tools is heating up fast. The company says this is its most capable agentic coding ...

OpenAI’s frontier model may not have astounded when it arrived earlier this year, but research indicates it’s now much better than others at writing code with fewer vulnerabilities. One area where GPT ...