Google Opens Early Access to ‘Willow’ Quantum Processor, Invites Experimental Proposals

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Insider Brief

  • Google launched the Willow Early Access Program, offering selected researchers exclusive access to its not-yet-public quantum processor to run tailored experiments.
  • Applicants must submit anonymized proposals by May 15, 2026, detailing executable quantum circuits, measurable outcomes, and a dedicated researcher to carry out the work.
  • Selection will prioritize feasibility on current hardware, including noise considerations, and the potential for high-impact scientific results or new experimental techniques.

This week, Google spread some tantalizing morsels signaling its push toward quantum commercialization is accelerating, from exploring neutral atom computing to shortening its timeline for post-quantum security. Now, a brand mew announcement indicates its Willow processor is ready for another concrete step in that direction.

Google just announced it is opening limited early access to its Willow quantum processor, inviting researchers to propose experiments that could test the limits of current quantum hardware ahead of broader availability.

The Willow Early Access Program will provide selected applicants with exclusive use of the processor, which remains unavailable to the public. According to the program guidelines, researchers must submit detailed experimental proposals by May 15, 2026, with selections announced by July 1, 2026.

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The initiative is designed to push beyond incremental simulations and encourage experiments that take advantage of Willow’s specific capabilities. Applicants are required to propose quantum circuits tailored to the device and identify measurable outcomes — known as observables — that could form the basis of a scientific publication. While supporting numerical simulations are encouraged, the program emphasizes work that extends beyond what classical systems can easily replicate.

Google is also requiring teams to dedicate at least one researcher — such as a Ph.D. student or postdoctoral fellow — to execute the proposed experiment. This requirement signals an expectation that selected projects will move quickly from concept to implementation, using the limited access window to produce tangible results.

Submissions must follow a structured intake process, including a standardized form designed to verify institutional eligibility. Proposals must be anonymized at this stage, excluding names, contact details, and team biographies, suggesting a review process focused strictly on scientific merit and feasibility.

Selection will be based on two primary criteria: feasibility and impact. Proposals must demonstrate a realistic path to execution on current Willow devices, accounting for hardware limitations such as noise and error rates. At the same time, reviewers will assess whether a successful experiment could produce meaningful scientific insights or introduce new experimental techniques.

The program reflects a broader trend in quantum computing toward controlled, early-stage access to advanced systems. By limiting participation and focusing on well-defined experiments, companies aim to extract high-value research outcomes while managing the technical constraints of still-developing hardware.

You can review more in-depth guidelines here.

Follow this page for future updates.

Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. matt@thequantuminsider.com

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