OpenAI releases GPT-5.3 Codex, minutes after Anthropic
OpenAI says GPT-5.3 Codex is 25% faster than GPT-5.2 and was instrumental in creating itself.
On February 5, OpenAI released its new coding model GPT-5.3 Codex, just minutes after Anthropic launched Claude Opus 4.6.
What's new?
- OpenAI says GPT-5.3 Codex is 25% faster than GPT-5.2
- According to OpenAI, the model was "instrumental in creating itself"
- The Codex app (agent-based coding) launched on February 2
The timing battle
Both companies had planned to release their models at 10 a.m. Pacific time. Anthropic moved its launch 15 minutes earlier.
For developers
The race between OpenAI and Anthropic over coding tools has become one of the hottest contests in AI. That's good news for developers, as the tools are improving quickly.
Founder and editor-in-chief of Kurd Developers. Phone and tech news on YouTube, Instagram and TikTok.
More stories
One text can break your phone: Android's 'SMS of Death' explained
A flaw in Android 12 and later lets a specially crafted SMS drop calls and even make a phone unusable. The fix is in October's security patch.
GTA VI lands November 19: prices, editions and what to know
Rockstar has locked the date: Thursday, November 19 on PS5 and Xbox Series X|S. Standard costs $79.99 and Ultimate $99.99.
Apple's first touchscreen MacBook Pro brings OLED and Dynamic Island
The new PROLED XDR display responds to touch, the notch is gone and Dynamic Island takes its place. Prices start at $2,899.
The $1,999 iPhone Duo Has a Black-Bar Problem, and Fixing It Is Harder Than It Looks
Apple's first foldable is a hardware flex. But unfold it and many of your apps shrink into a phone-shaped window floating in black. Here's why the app world wasn't ready, and why developers can't just hit "stretch".