ChatGPT-4o vs. ChatGPT-5.1 — I tested both and the winner surprised me

I put ChatGPT-4o and 5.1 through 9 real-world tests — from logic puzzles to coding, writing and image analysis.

Gemini 3 Pro vs ChatGPT 5.1: Google Has Cracked the Secret Sauce

We have compared Google's Gemini 3 Pro and OpenAI's ChatGPT 5.1 Thinking models to see which AI has got superior capabilities ...

GPT-5.1 vs Claude 4.5 Sonnet — I tested 7 personality modes on each to see which was more personable

When two of the biggest chatbots add personality features, which is best at switching between them? I put it to the test to ...
Android Authority

ChatGPT 5.1 is smarter, friendlier, and gets your vibe better than ever

OpenAI has released ChatGPT 5.1, featuring enhanced intelligence and more distinct personalities. The AI model now understands your questions better, offers faster responses, adapts to your tone, and ...
ZDNet

OpenAI's GPT-5.1 makes ChatGPT 'warmer' and smarter - how its upgraded modes work now

OpenAI's GPT-5.1 includes two brand-new models. Users can also choose from new personalities. The updates are meant to make ChatGPT more personalized. OpenAI updated ChatGPT with its ...
Ars Technica

OpenAI walks a tricky tightrope with GPT-5.1’s eight new personalities

On Wednesday, OpenAI released GPT-5.1 Instant and GPT-5.1 Thinking, two updated versions of its flagship AI models now available in ChatGPT. The company is wrapping the models in the language of ...