OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

OpenAI launches a Mac-only Codex app as an agent command center. Sandbox controls limit folder writes and network access for safer use. Switching between IDE, terminal, and app keeps context across ...

OpenAI’s new Codex desktop app turns AI into a multi-agent coding partner, reshaping workflows with real productivity potential.

OpenAI today released OpenAI Codex, its AI system that translates natural language into code, through an API in private beta. Able to understand more than a dozen programming languages, Codex can ...

In benchmark tests such as Swaybench Pro and Terminal Bench, GPT-5.3 Codex consistently outperformed its predecessors, setting new standards for speed and execution. When compared to Anthropic’s Opus ...