Clockwork
Category: AI Infrastructure
A software-driven AI fabric that maximizes GPU utilization, provides fault tolerance, and optimizes performance for large-scale AI workloads across any network infrastructure. Clockwork was founded in 2018. The company is led by Suresh Vasudevan. Based in Palo Alto, California, USA. Team size: 11-50. Total funding raised: $41.5 million. Latest round: Series A. Key investors include NEA (New Enterprise Associates), DCVC (Data Collective), Lip-Bu Tan, John Chambers, Carl Ledbetter, e& Capital.
- Founded
- 2018
- Headquarters
- Palo Alto, California, USA
- Team size
- 11-50
- Total funding
- $41.5 million
Value proposition
Maximize GPU cluster utilization (1.1-1.5x improvement), reduce disruptive failures by over 90%, and keep AI workloads running through failures via software-driven AI fabrics that provide observability, fault tolerance, and performance optimization across any network and GPU vendor.
Products and solutions
FleetIQ (Software-Driven AI Fabric), TorchPass (AI Fault Tolerance), AI Observability, AI Performance Optimization, Global Clock Sync
Unique value
Clockwork's core innovation is its software-based, high-precision clock synchronization technology (Huygens) that can achieve nanosecond-level accuracy. This allows for precise time coordination across thousands of servers in a network.
Target customer
Companies with large-scale, time-sensitive distributed systems, particularly in AI/ML, financial services, and cloud computing.
Industries served
Artificial Intelligence, Financial Services, Cloud Computing, High-Tech
Technology advantage
The ability to significantly improve the performance of distributed systems without requiring specialized hardware, leading to cost savings and increased efficiency. Their software-based approach allows for deployment in various environments (on-prem, cloud, hybrid).
How they differentiate
Clockwork's key differentiator is its 100% software-based solution for clock synchronization. Unlike traditional competitors that often rely on specialized hardware (like GPS or atomic clocks), Clockwork's technology can be deployed across any environment (on-premise data centers, public clouds, hybrid environments) without hardware dependencies. This provides greater flexibility, scalability, and potentially lower cost for synchronizing distributed systems with high precision.
Main competitors
Amazon Time Sync Service, Google Public NTP, Meinberg (Hardware-based)
Key partnerships
AMD, Broadcom, SemiAnalysis, Uber, DCAI, Nebius, Nscale, White Fiber
Notable customers
Uber, Wells Fargo, DCAI (Danish Centre for AI Innovation), Nebius, Nscale, White Fiber
Major milestones
Founded in 2018 based on PhD research from Stanford University., Raised a $21 million Series A funding round in March 2022, led by NEA., Raised $20.5M Series A-1 in September 2025, led by NEA with participation from Lip-Bu Tan, John Chambers, Carl Ledbetter, e& Capital., Launched FleetIQ platform and appointed Suresh Vasudevan as CEO in September 2025., Launched TorchPass fault tolerance framework in 2026.
Growth metrics
Not publicly available. As a private deep-tech startup, specific growth metrics like revenue or user numbers are not disclosed.
Market positioning
Clockwork positions itself as a foundational infrastructure provider for the next generation of time-sensitive applications. They target high-growth, high-value sectors like AI/ML, financial trading, and cloud computing, where precise time synchronization is critical for performance, correctness, and efficiency. They are creating a new market for software-defined time synchronization in enterprise and cloud environments.
Geographic focus
While the company is based in Palo Alto, USA, its focus is global, targeting major technology and financial hubs in North America, Europe, and Asia where large-scale data centers and cloud infrastructure are concentrated.
Patents and IP
Not publicly disclosed in the search results.
About Suresh Vasudevan
Former CEO of Sysdig (2018-2024), former CEO of Nimble Storage (led from startup to IPO and acquisition by HPE), former Chief Product Officer at NetApp.
Latest news about Clockwork
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Official website: https://www.clockwork.io/