OpenAI introduces Harness Engineering, an AI-driven methodology where Codex agents generate, test, and deploy a million-line ...

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

GPT-5.3-Codex-Spark is the latest version of OpenAI's Codex and runs completely on Cerebras' wafer-scale engine.

OpenAI has recently published a detailed architecture description of the Codex App Server, a bidirectional protocol that decouples the Codex coding agent's core logic from its various client surfaces.

OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...

OpenAI has unveiled GPT-5-Codex, a specialized version of GPT-5 designed for agentic coding within Codex. Trained on real-world software engineering tasks, it excels at building projects, debugging, ...

OpenAI has launched Codex, an AI coding agent integrated into ChatGPT, powered by the upgraded codex-1 model. It automates tasks like bug fixes and feature development, connecting with GitHub for ...

OpenAI is releasing GPT-5.3-Codex-Spark, a fast but imprecise coding model. It runs on a dedicated Cerebras chip. A first ...

What if writing code felt less like a chore and more like having a collaborative partner who understands your workflow? Below, OpenAI takes you through how Codex, their advanced AI-powered coding ...