ChatGPT introduces a grumpy new project called “Monday” – everything you need to know

OpenAI has added a new variation to ChatGPT’s Advanced Voice mod. A new project called “Monday” has been introduced, and it looks exactly like how people feel on Mondays – grumpy and disaffected. Here’s everything you need to know about this new feature.

What is the advance voice mod “Monday”

Launched by OpenAI on April 1, 2025Added a new voice to ChatGPT's Advanced Voice ModThe voice sounds grumpy, unreserved, and neutralDraws inspiration from the "Monday doldrums" that many people experience

What is it prescribed for?

It was released on April Fools’ Day, so many users believe it’s a really convenient feature

It’s faster and more responsive than other cars

Its voice can be somewhat muffled, so it may not be suitable for everyone

Some people are comparing it to Grok AI’s “unfriendly mode” due to its attentiveness

Who can use advance voice mod “Monday”

ChatGPT users can use it

Download the ChatGPT app

Activate the voice mod

Click on the voice picker (top right corner)

Tap on the three inscriptions and find “Monday” (the sixth on the mod)

In the ChatGPT app go to the Explore section

Find voice under “by ChatGPT”

Activate the new voice from there

Chatgpt advance voice mod 

The “Monday” voice is a charm and attractive addition to ChatGPT’s features. While this might not be to everyone's liking because of your angry flame, it does add to OpenAI's playful side. Whether it's here to stay or not, it definitely adds a new flavor to your AI conversations.