Weights.gg shuts down as CoreWeave deal involves Weights & Biases

In short: Weights.gg, a community site for sharing AI voice models, has shut down and it is not the same thing as Weights & Biases, the company CoreWeave acquired.

What happened

Weights.gg launched around 2024 as a community hub for RVC, short for Retrieval-based Voice Conversion (software that can change one voice to sound like another). People used the site to upload, browse, and download AI voice models, often for voice cloning or voice conversion.

A YouTube video titled “End Of An Era: Goodbye, Weights.gg” says the site has been shut down. Based on the information shared publicly, the shutdown was linked to legal and copyright risk around voice models, plus the difficulty of moderating user uploads at scale (like trying to check every file in a huge public library).

Some people have mixed this up with recent acquisition news because of the similar name. CoreWeave did not acquire Weights.gg. CoreWeave agreed in March 2025 to buy Weights & Biases, often called W&B, and completed the deal in May 2025. Public reporting has put the deal at about $1.7 billion.

Weights & Biases is a developer tool used to manage AI work, like keeping a detailed lab notebook for training and testing AI systems. It is used by large companies and research teams, and it is separate from the voice model sharing community that Weights.gg was.

Why it matters

This shutdown removes a popular place where people found and shared AI voice models, and it highlights the legal pressure around voice cloning. It also clears up confusion so readers do not assume the CoreWeave acquisition involved a voice model sharing site.

Source: NYTimes