GPT-5.3 Codex merges the advanced coding capabilities of GPT-5.2 Codex with the reasoning and professional knowledge of GPT-5 ...
The most striking detail about GPT-5.3-Codex is its role in its own creation. OpenAI revealed that the development team used ...
GPT-5.3-Codex is the first time the ChatGPT maker has found that its own models can be instrumental in its own development.
GPT‑5.3‑Codex, its new coding and development model, is apparently the first “that was instrumental in creating itself.” No, that probably doesn’t mean ChatGPT is ready to build its own Skynet, but it ...