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 ...

On a 2.0 terminal benchmark, OpenAI’s model scores about 10% higher, guiding users toward stronger results on long, complex ...

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 ...

Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is optimized for agentic coding in Codex. Since GPT-5-Codex is based on GPT-5, it comes with significant upgrades in reasoning, ...

OpenAI's new Codex agent is essentially a vibe-coding environment based on a ChatGPT-like comment interface. As much as the vibe-coding idea seems like a meme for wannabe cool-kid coders, the new ...

We’ve been expecting it for a while, and now it’s here: OpenAI has introduced an agentic coding tool called Codex in research preview. The tool is meant to allow experienced developers to delegate ...

OpenAI makes Codex available to all developers and teams. Slack integration and SDK bring AI into coding workflows. Admin tools add visibility, control, safer automation for enterprises. OpenAI ...