Nvidia standardizing on GPT-5.3-Codex internally for ~30k engineers

OpenAI just scored a big win for its coding platform. (Picture: generated)
OpenAI CEO Sam Altman has been touting the latest Codex coding model all week, praising the team and extolling how excited everyone is. Adoption is also growing, and now Nvidia is voting with their feet:

Codex is now rolling out to all engineers at the company, in close cooperation with the OpenAI team who built in «cloud-managed admin controls» and fail-safe processing.

They even helped onboard the Nvidia team, saying «It’s shocking how quickly they’ve adopted Codex», and that they move like a giant startup.

GPT-5.3-Codex was only launched last week, and is perceived as a possible profit engine, competing with Claude Code for enterprise customers.