I tried GPT-5.4, and most answers were really good - but a few had me concerned

It has strong reasoning, but it sometimes answers questions you didn't ask. Formatting and image generation lag behind the text quality. It's a new month, and a new AI version number. It's called ...

A Guide to the Pentagon’s Dance With Anthropic and OpenAI

If Anthropic did not allow the Pentagon to deploy these technologies for “all lawful uses,” Mr. Hegseth said, he would sever ties with the San Francisco start-up. The threat set off a chain of events ...
PCMag

It Took Me Just 2 Hours to Vibe Code a Mass Surveillance Site With OpenAI's Codex

With zero coding skills, and in a disturbingly short time, I was able to assemble camera feeds from around the world into a ...

ChatGPT-5.4 is OpenAI’s fastest model yet — 7 prompts that show what it can really do

When OpenAI unveiled GPT-5.4, the company made it clear this wasn’t just another incremental upgrade. The new model combines the coding power of GPT-5.3-Codex with stronger reasoning, improved ...

OpenAI’s new flagship GPT model is made for AI agents

GPT-5.4 is out now on ChatGPT (where it goes by the name GPT-5.4 Thinking) as well as on the OpenAI API and OpenAI’s coding ...