ChatGPT 5.3 Codex Moves Ahead on Code, While Claude’s 4.6 AI Banks on Reliability

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

GitHub Copilot adds GPT-5.3-Codex with 25% faster performance for agentic tasks

Codex. Pro and Enterprise users gain 25% faster agentic task performance. Learn how to enable it today. GitHub has announced ...

GPT-5.3 Codex Raises the Bar, but Opus 4.6 Still Owns Deep Reasoning

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 ...
BGR

ChatGPT's Codex Feature Just Got A Big Upgrade

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 ...
Neowin

OpenAI introduces GPT-5-Codex-Mini, a cost-efficient coding model for developers0 0

OpenAI has introduced GPT-5-Codex-Mini, a cost-efficient model offering 4x the usage with only a minor drop in performance. Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is ...
ZDNet

ChatGPT's Codex just got a huge upgrade that makes it more powerful than ever - what's new

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 ...
ZDNet

OpenAI upgrades ChatGPT with Codex - and I'm seriously impressed (so far)

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 ...