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One platform. All cancer care.

GrayOS is the
next-generation operating system

that helps cancer centers deliver comprehensive care
with the highest efficiency.

A visual depicting the 3 components of GrayOS and how the software connects the various silos of care

Empowering cancer centers to deliver outstanding care amidst the toughest challenges.

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Increasing complexity

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Financial pressure

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Administrative burden



wait time

Discover GrayOS

We find clarity amidst complexity.
And it's not leaving when people do.

➡️  Generation and standardization of your care trajectories for radiation oncology and medical oncology.

➡️  Digital repository to safeguard and manage your care trajectories.

➡️  Lays the foundation for workflow automation.

GrayOS MedOnc care plans

Putting science at the
service of cancer care

Powered by artificial intelligence and decades of operations research, GrayOS optimizes, automates and orchestrates the way oncology care is delivered. With a wide range of features tailored to the needs of oncology teams, GrayOS helps your team work smarter and focus on what matters most: delivering quality care to patients. 

By healthcare professionals, for healthcare professionals

At Gray, we understand the challenges that oncology professionals face on a daily basis. Our team of medical physicists, pharmacists, developers, and data scientists partnered with globally recognized cancer centers to co-develop GrayOS. The result? Software that clinical teams love using and that will make your center operate at the highest level of efficiency.

Benefits of using GrayOS

Achieve maximum 

operational efficiency


GrayOS is integrated in real-time with your systems. By combining the power of artificial intelligence and operations research to schedule patient appointments, the tool maximizes the capacity of your center, even in the face of impromptu events, such as a machine breaking or external crises.


access to care 

Timely treatment is essential in cancer care. GrayOS predicts the future to inform the present and enable optimal management of patient priorities while reducing waiting times.

+16h daily hours of treatment unlocked

1000 days of patient delay avoided

Save patient and

staff time

Time is one of the most valuable commodities, whether it is your patient’s or your staff’s. GrayOS automates workflows to remove inefficient and repetitive tasks so your teams can focus on what matters.

-80% administrative burden

Streamline care


Cancer care requires the coordination of multiple departments. GrayOS orchestrates care trajectories across the various silos (radiation oncology, medical oncology, pharmacy, labs, medical visits, ..)

6 specialties coordinated

Join a community of innovative operations leaders in oncology

Jessica Bédard, head nurse, CHUM

"I love this tool... We would have never made it through this staff shortage period without GrayOS"

Anita Vloet, Princess Margaret Cancer Center

"Working with Gray was a great experience.  Their expertise and professionalism helped us to successfully implement GrayOS in our department efficiently and effectively.  Their commitment to understanding our needs and providing innovative solutions made the process not only successful, but enjoyable."

Caroline Parent, radiation oncology department manager, CHUM

“ Throughout the journey, Gray has been a partner who has been listening to our needs, here to help solve our challenges, and answer our questions. Their strongest quality is their understanding of our environment and our oncology department. It made things more efficient.”
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