Clockwork.io raises $31M to harden AI GPU infrastructure

Clockwork.io announced a $31 million funding round on October 5, 2026, to expand its fault-tolerance software for large AI GPU clusters. LinkedIn, Together AI and WhiteFiber are already using its LinkPass and TorchPass tools to prevent tens of thousands of GPU-hours of downtime each month.([techfundingnews.com](https://techfundingnews.com/clockwork-io-lands-31m-to-eliminate-wasted-gpu-hours-with-ai-infrastructure-fault-tolerance/))