Weights — Funding & Company Data
Financial overview and investor data for Weights.
Founded
2024
Stage
Acquired
Total Raised
$3.96M
HQ
San Francisco, CA
Team
1-10
Model
marketplace
Acquired
Weights was acquired by OpenAI on May 15, 2026 .
Analyst Take
Weights.gg's trajectory was short and decisive, defined by a single seed investment leading to a swift acquisition by an industry titan. The company raised just under $4 million in August 2024 from notable investors including Kleiner Perkins. This funding was not intended to build a long-term, standalone business, but rather to prove out its technology in the controversial and fast-moving space of AI voice cloning.
The acquisition by OpenAI, which reportedly occurred in early 2026 with the public shutdown happening by April, was a clear talent and technology purchase. With a small team of six, the deal was an efficient way for OpenAI to onboard specialized expertise and intellectual property in voice synthesis. The modest funding amount and rapid acquisition signal that this was less about market traction and more about the underlying tech, which was both powerful and problematic, having hosted unauthorized voice models of celebrities and public figures.
For the investors, this represents a quick, albeit likely modest, exit. For OpenAI, it was a strategic move to bolster its own voice AI capabilities while simultaneously removing a controversial public platform from the market. The dispersal of the Weights.gg team into various OpenAI divisions suggests the goal was to integrate their skills across existing products, not to continue the Weights.gg platform itself.
Stability
As a standalone product, Weights.gg is defunct, having been shut down in April 2026. Its stability and longevity are now entirely dependent on how its technology and team are utilized within its parent company, OpenAI.
Growth
The company experienced a rapid, short-lived growth phase that culminated in a strategic acquisition by OpenAI. Its trajectory as an independent entity has ended.
For Buyers
Potential users cannot commit to this tool as its public platform has been permanently shut down. The acquisition by OpenAI means the underlying technology may surface in future OpenAI products, but the Weights.gg tool itself is no longer available.
Funding Timeline
Investors: Freestyle Capital, Kleiner Perkins, Original Capital
Notable Investors
Sources
- pitchbook.com (vertexaisearch.cloud.google.com)
- the-decoder.com (vertexaisearch.cloud.google.com)
- winbuzzer.com (vertexaisearch.cloud.google.com)
- techfundingnews.com (vertexaisearch.cloud.google.com)
- ibtimes.sg (vertexaisearch.cloud.google.com)
- letsdatascience.com (vertexaisearch.cloud.google.com)
- livemint.com (vertexaisearch.cloud.google.com)
- wellfound.com (vertexaisearch.cloud.google.com)