OpenAI brings Codex to mobile devices, adds more customization features
OpenAI ships Codex to mobile—8 months after Anthropic's Claude Code landed on phones. The race for on-device coding just went mainstream.

Why it matters
OpenAI is expanding Codex beyond desktop into mobile workflows, following Anthropic's competitive move. This signals intensifying product competition in the AI coding assistant space and suggests both companies see mobile-first developers as a critical market segment.
The key facts
4 to knowCodex now available on iOS and Android via ChatGPT clients
Launch comes 8 months after Anthropic's Claude Code mobile release
Mobile access claimed to significantly speed up some workflows
Feature includes customization options
Go to the source
SiliconAnglesiliconangle.com
Publisher excerpt: OpenAI Group PBC today made its Codex programming assistant available on mobile devices. The service is accessible through ChatGPT’s iOS and Android clients. It’s rolling out about eight months after Anthropic PBC made Claude Code, its competing programming assistant, available on handsets. OpenAI…