Fenix Flexin isn’t even denying using AI to make ‘Rubberz’ anymore

The Verge News

Summary

Rapper Fenix Flexin now admits to using AI for his song 'Rubberz,' despite earlier denials, following producer Medasin's claims and an AI detector identifying Treblo as the tool.

<figure> <img alt="The seemingly AI generated cover art for Fenix Flexin’s Rubberz." data-caption="That cover art is almost certainly AI too. | Image: Fenix Flexin" data-portal-copyright="Image: Fenix Flexin" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/artworks-WsdIgVXV8NOV-0-t1080x1080.jpg?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> That cover art is almost certainly AI too. | Image: Fenix Flexin </figcaption> </figure> <p class="wp-block-paragraph">It <a href="https://www.theverge.com/ai-artificial-intelligence/974209/fenix-flexin-billboard-hot-100-rubberz-ai-slop">took long enough</a>, but now LA rapper Fenix Flexin appears to have <a href="https://x.com/nfr_podcast/status/2085725158916956572?s=46">admitted</a> using AI for the 80s synth pop-themed song "Rubberz." His comments follow the <a href="https://www.youtube.com/watch?v=fzkoENoDrbs">producer Medasin's videos</a> claiming that an AI tool called Treblo (formerly Sonauto) was used to make the song, <a href="https://www.theverge.com/ai-artificial-intelligence/975528/fenix-flexin-ai-music-generator-treblo">and the company</a> releasing an<a href="https://www.theverge.com/ai-artificial-intelligence/975528/fenix-flexin-ai-music-generator-treblo"> AI detector that identifies it as Treblo AI-created</a>. </p> <p class="wp-block-paragraph">In a reply to a comment pointing out that Tyga admitted to relying on AI for his own controversial '80s-influenced album <em>$tarface</em>, on one of his <a href="https://www.instagram.com/p/Dbt8TB3jSsY/?utm_source=ig_web_copy_link&amp;igsh=MzRlODBiNWFlZA==">Instagram posts</a>, Fenix said:</p> <blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow"> <p class="wp-block-paragraph">never said I didn't use AI , i said it had nun to do w recording process . I didn't even know what da app was till we mixed …</p></blockquote> <p><a href="https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo">Read the full story at The Verge.</a></p>
Original Article
View Cached Full Text

Cached at: 08/07/26, 08:04 PM

# Fenix Flexin isn’t even denying using AI to make ‘Rubberz’ anymore Source: [https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo](https://www.theverge.com/ai-artificial-intelligence/976801/fenix-flexin-rubberz-ai-song-treblo) Fenix now claims he’s ‘never said I didn’t use AI,‘ to make his hit song\. Fenix now claims he’s ‘never said I didn’t use AI,‘ to make his hit song\. by Aug 7, 2026, 8:01 PM UTC ![artworks-WsdIgVXV8NOV-0-t1080x1080](https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/artworks-WsdIgVXV8NOV-0-t1080x1080.jpg?quality=90&strip=all&crop=0%2C16.666666666667%2C100%2C66.666666666667&w=2400) ![artworks-WsdIgVXV8NOV-0-t1080x1080](https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/artworks-WsdIgVXV8NOV-0-t1080x1080.jpg?quality=90&strip=all&crop=0%2C16.666666666667%2C100%2C66.666666666667&w=2400) [![Terrence O'Brien](https://platform.theverge.com/wp-content/uploads/sites/2/2025/02/TERRENCE_BLURPLE.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=96)](https://www.theverge.com/authors/terrence-obrien) Terrence O'Brien is the Verge’s weekend editor\. He’s covered the tech industry for over 18 years and knows a thing or two about synths\. It[took long enough](https://www.theverge.com/ai-artificial-intelligence/974209/fenix-flexin-billboard-hot-100-rubberz-ai-slop), but now LA rapper Fenix Flexin appears to have[admitted](https://x.com/nfr_podcast/status/2085725158916956572?s=46)using AI for the 80s synth pop\-themed song “Rubberz\.” His comments follow the[producer Medasin’s videos](https://www.youtube.com/watch?v=fzkoENoDrbs)claiming that an AI tool called Treblo \(formerly Sonauto\) was used to make the song,[and the company](https://www.theverge.com/ai-artificial-intelligence/975528/fenix-flexin-ai-music-generator-treblo)releasing an[AI detector that identifies it as Treblo AI\-created](https://www.theverge.com/ai-artificial-intelligence/975528/fenix-flexin-ai-music-generator-treblo)\. In a reply to a comment pointing out that Tyga admitted to relying on AI for his own controversial ’80s\-influenced album*$tarface*, on one of his[Instagram posts](https://www.instagram.com/p/Dbt8TB3jSsY/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==), Fenix said: > never said I didn’t use AI , i said it had nun to do w recording process \. I didn’t even know what da app was till we mixed it and erbody started commenting \. ain’t nothing wrong w using new technology as a tool keep up w the times or get left behind The comment insists he never denied using AI, but last month on Hot 97’s*Mornings With Mero*when asked directly about AI use by interviewer Kazeem Famuyide,[he stated clearly that there’s “no AI on it\.”](https://youtu.be/P9UWXE8pk0Y?si=DtnPbXty7IvH-BL3&t=52) He’s[repeatedly](https://x.com/OGMusicCo/status/2067419610769682728)gone out of his way to[try and dispel](https://youtu.be/OYAq6cYHQK8)the AI allegations publicly since the song was released, despite what he says now\. Fenix and his team have posted what they claimed were clips of the recording session files, popped into the comments to insist the song was made by two humans recording in his living room with “pro tools auto tune and some reverb,” and said he’s actually singing in clips where it looks like he’s[lip syncing](https://www.instagram.com/reel/DZ1mG-yS_Vh/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==)\. [![Fenix Flexin replying to a post encouraging him to admit to using AI on Rubberz saying, “never said I didn’t use AI , i said it had nun to do w recording process . I didn’t even know what da app was till we mixed it and erbody started commenting . ain’t nothing wrong w using new technology as a tool keep up w the times or get left behind”](https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/Screenshot-2026-08-07-at-11.53.08-AM.png?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)](https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/Screenshot-2026-08-07-at-11.53.08-AM.png?quality=90&strip=all&crop=0,0,100,100) **Follow topics and authors**from this story to see more like this in your personalized homepage feed and to receive email updates\. - Terrence O'Brien ## The Verge Daily A free daily digest of the news that matters most\.

Similar Articles

Sure seems like Fenix Flexin used AI music generator Treblo

The Verge

The Verge reports that Treblo's new open-source AI music classifier indicates Fenix Flexin's song 'Rubberz' was almost entirely AI-generated, potentially making it the first AI-generated song to reach the Billboard Hot 100. Flexin denies the claims, but the evidence adds to the ongoing controversy.

Is this Billboard Hot 100 hit AI slop?

The Verge

The Verge investigates whether Fenix Flexin's Billboard Hot 100 hit "Rubberz" was AI-generated, citing audio artifacts, AI detector results on cover art and lyrics, and suspicious lyrical patterns.