The newly-launched app, Threads, smashed AI tool ChatGPT’s record as millions of users thronged to join the Twitter rival app, data tracking websites noted.
The Meta-owned platform having a familiar layout resembling the microblogging site became the fastest-growing consumer app after over 100 million sign-ups in less than five days of the launch.
As per the data, ChatGPT took two months to hit the 100 million user mark, while TikTok took nine months.
Instagram managed to attract a hundred million users in two-and-a-half years since its launch in 2010.
The new app went live on Apple and Android app stores in 100 countries late on Wednesday. It is not available in Europe because Meta is unsure how to navigate the European Union’s data privacy legislation.
Twitter is thought to have around 200 million regular users. However, it has suffered repeated technical failures since Elon Musk bought the platform last year and sacked thousands of staff.
Musk, who also serves as the boss of Tesla and SpaceX, has also alienated many users by introducing charges for previously free services and allowing banned right-wing accounts back on the platform.
Several rivals have emerged, but most of them do not have the necessary scale to dethrone Twitter.
Threads finds it easier due to its link with Instagram, a platform with more than one billion regular users.
Online data service Quiver Quantitative reported that the app passed 100 million users at 0700 GMT on Monday.
Other websites using a count of the “badges” received by Instagram users who have downloaded Threads reckoned the mark had passed earlier.
Musk has threatened to sue Meta for stealing trade secrets and intellectual property. However, the company has denied the claim, which also owns Facebook and WhatsApp.
In their ongoing rivalry, Musk and Meta chief Mark Zuckerberg have recently called each other out for a cage fight.
