OpenAI has expanded the availability of its GPT-5.3-Codex model to third-party developers via API and Microsoft Foundry.

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

Claude Code vs ChatGPT Codex compared for performance, pricing, workflows, and privacy to find the best AI coding assistant ...

Anthropic is planning to bring the famous Claude Code to the web, and it might be similar to ChatGPT Codex, but you'll need GitHub to get started. For those unaware, Claude Code, which works with paid ...

How good is GPT-5 Codex, really? Imagine a tool so advanced it can generate functional code for complex applications in mere minutes, yet intuitive enough to seamlessly integrate into your existing ...

GPT‑5.3‑Codex‑Spark releases with ultra-fast coding and 128k context window, redefining interactive development for ChatGPT ...

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

Spark, a lightweight real-time coding model powered by Cerebras hardware and optimized for ultra-low latency performance.

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...