ChatGPT 5.3 Codex Launches : 5 Things You Need to Know

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

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

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

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 ...
The Next Web

OpenAI’s Codex app: When your IDE gets a brain

OpenAI’s new Codex desktop app turns AI into a multi-agent coding partner, reshaping workflows with real productivity ...

OpenAI's new Codex Mac app off to a strong start, Altman says

OpenAI’s new Codex Mac app hits 200K downloads day one; learn key features, access tiers, and what it means for developers—read the latest now.