By skyforbes 
The big November 2025 upgrade is here — here’s what every AI user should know
It’s hard to remember a world without ChatGPT. When OpenAI first launched it, it changed the way we work, learn, and even socialise online. Now, there’s another shift: ChatGPT 5.1. Whether you’re a casual user, a creator, or a business professional, this update brings noticeable improvements in speed, intelligence, and — surprisingly — personality. Here’s what I noticed after trying it out.
What’s Different About ChatGPT 5.1?
If previous versions impressed you, 5.1 will likely surprise you. Two modes stand out:
- GPT-5.1 Instant — Fast, natural conversation. Feels friendlier, more engaging, and noticeably less robotic. Perfect when you just want answers quickly.
- GPT-5.1 Thinking — Takes extra time for reasoning, persistence, and handling complex, multi-step questions. Ideal if you want depth over speed.
With these two modes, ChatGPT can be both a rapid-fire brainstorming partner and a slow, thoughtful analyst — all in one interface.
Personalisation Gets a Big Boost
One of the things I really liked about 5.1 is the personalisation. You can now set presets — Professional…