I tested Claude Code vs. ChatGPT Codex in a real-world bug hunt and creative CLI build — here’s which AI coding agent thinks ...

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

GPT-5-Codex promises higher performance and success rates It’s included for Plus, Pro, Business, Edu and Enterprise users The model can use 93.7% fewer tokens on lightweight tasks OpenAI has shared ...

The new OpenAI Codex CLI is a powerful tool designed to transform how developers interact with code. By allowing direct command-line interaction, it simplifies coding tasks, boosts productivity, and ...

OpenAI Codex uses AI to help you understand and write code better. You can set up Codex Command-Line (CLI) to make the coding process a lot simpler and efficient. To ...

OpenAI has introduced GPT-5 Codex, a version of GPT-5 that is fine-tuned for coding agent workflows and built to better support developers working across varied environments. Rather than just ...

In a bid to inject AI into more of the programming process, OpenAI is launching Codex CLI, a coding “agent” designed to run locally from terminal software. Announced on Wednesday alongside OpenAI’s ...

GPT-5.3-Codex-Spark is a lightweight version of the company’s coding model, GPT-5.3-Codex, that is optimized to run on ultra-low latency hardware and can deliver over 1,000 tokens per second.

On Friday, OpenAI engineer Michael Bolin published a detailed technical breakdown of how the company’s Codex CLI coding agent works internally, offering developers insight into AI coding tools that ...

Researchers found that .env files inside cloned repositories could be used to change the Codex CLI home directory path and load a rogue configuration file leading to arbitrary command execution. In a ...