Microsoft has spent three years and billions of dollars trying to make its Copilot the transformative AI layer for knowledge work. Enterprise adoption stalled. Pricing faced pushback. Internal emails ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...

OpenAI launches GPT-5.3-Codex with faster coding, stronger reasoning, and higher benchmark accuracy—plus API access soon.

Notably, GPT-5.3-Codex is the first OpenAI model that was used to create itself: The team used early versions of the model to debug its training, manage its deployment, and diagnose test results and ...