MoneyThe story, in brief
Nvidia, AMD back $100M round for AI tooling startup RadixArk
$100M. Nvidia and AMD just backed an AI tooling startup—here's why chip makers are doubling down on the developer stack.
The KeyNews take
Why it matters
Chip giants are investing upstream in developer tools, signaling that the AI infrastructure battle extends beyond silicon to the software layer that makes GPUs useful. This suggests both companies see tooling as critical moat-building in the post-model wars era.
The key facts
5 to knowRadixArk raises $100M seed round
Led by Nvidia NVentures and Spark Capital
Investors include AMD, Databricks, Broadcom CEO Hock Tan
RadixArk provides tools for AI developers
Published May 5, 2026
Go to the source
SiliconAnglesiliconangle.com
Publisher excerpt: RadixArk Inc., a startup that provides tools for artificial intelligence developers, has raised $100 million from a group of high-profile backers. Nvidia Corp.’s NVentures fund led the seed round with Spark Capital. They were joined by Advanced Micro Devices Inc., Databricks Inc., Broadcom Inc.…