OpenAI releases GPT-5.3-Codex, a coding model that helped build itself

Anthropic, one of OpenAI's chief rivals, also released a new coding model today, Claude Opus 4.6. Earlier this week, OpenAI ...

OpenAI launches Codex app for macOS to speed up software projects

The app is powered by GPT-5.2-Codex, OpenAI’s newest programming-focused large language model. It can process prompts with up ...

With GPT-5.3-Codex, OpenAI pitches Codex for more than just writing code

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line ...

GPT-5.3-Codex Released as OpenAI’s First AI Model to Assist in Its Own Development

OpenAI’s GPT-5.3-Codex is 25 percent faster and requires less than half the tokens as its predecessor, 5.2-Codex.

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

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...
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OpenAI announces ChatGPT apps, embedded Codex coding agent at DevDay

OpenAI will enable developers to embed their applications into ChatGPT using a new software toolkit called the Apps SDK. Executives revealed the first seven apps that integrate with the chatbot ...