The big question is whether LLM control becomes a standard “software upgrade” for MEX, or whether it stays a clever lab demo ...
OpenAI’s GPT-5.3-Codex expands Codex into a full agentic system, delivering faster performance, top benchmarks, and advanced cybersecurity capabilities.
OpenAI’s GPT-5.3-Codex is 25 percent faster and requires less than half the tokens as its predecessor, 5.2-Codex.
GPT-5.3-Codex is the first time the ChatGPT maker has found that its own models can be instrumental in its own development.