--- title: "Akesis Gemini 360 vs. Traditional Linac: How They Compare | 5D Cancer Services" description: "How the Akesis Gemini 360 adaptive radiotherapy platform compares to a traditional linear accelerator: imaging modality, daily plan adaptation, treatment time, indications, and patient experience." canonical: https://www.5dcancerservices.com/compare/gemini360-vs-traditional-linac route: /compare/gemini360-vs-traditional-linac type: article lastUpdated: 2026-06-01 keywords: ["adaptive radiotherapy", "Akesis Gemini 360", "5D Cancer Services", "St. George Utah", "radiation oncology", "Gemini 360 vs traditional linac", "linac comparison", "adaptive vs static plans", "image-guided radiotherapy"] --- # Akesis Gemini 360 vs. Traditional Linac: How They Compare | 5D Cancer Services > How the Akesis Gemini 360 adaptive radiotherapy platform compares to a traditional linear accelerator: imaging modality, daily plan adaptation, treatment time, indications, and patient experience. - HomeTechnologyAdaptive RTClinical DataConditionsInsuranceOur TeamFAQ (435) 900-7060Please do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel.Home - Compare - Gemini 360 vs. MR-LinacComparison # Akesis Gemini 360 vs. MR-Linac Both the Akesis Gemini 360 and MR-Linac systems (such as the ViewRay MRIdian and Elekta Unity) are 'adaptive' linear accelerators — they re-image and re-plan during a course of radiation. The two platforms reach that goal in different ways. Quick summaryThe Akesis Gemini 360 uses high-quality CT-based image guidance with AI-assisted daily adaptation, while MR-Linac systems combine an MRI scanner with a linear accelerator. Both are adaptive; the Gemini 360 is faster per session and treats a broader range of indications, while MR-Linac excels at real-time imaging of soft-tissue motion. - Imaging: Gemini 360 uses on-board CT-based imaging; MR-Linac uses real-time MRI - Adaptation: both re-plan during the course; Gemini 360 adapts via AI-assisted CT-driven workflow - Session time: Gemini 360 is typically faster (~30–45 min) vs. MR-Linac (~45–90 min) - Fiducials / contrast: Gemini 360 typically does not require gadolinium contrast - Indications: Gemini 360 covers the full spectrum (SBRT, SRS, SFRT, benign RT) on one platform - Availability: 5D Cancer Services is the only Gemini 360 site in UtahLast reviewed: 2026-05-12 ## What both platforms have in common Both the Gemini 360 and MR-Linac are linear accelerators with on-board imaging that allow for adaptive radiotherapy: imaging at every session, with the option to re-plan based on anatomy of the day. Both can deliver SBRT, both are FDA-cleared, and both are used at major academic centers around the world. Both also represent a meaningful step beyond traditional radiation systems that lock a single plan in at the start of treatment and never update it. ## How they differ - Imaging modality: Gemini 360 uses on-board CT-based image guidance; MR-Linac uses real-time MRI - Daily workflow: Gemini 360 uses an AI-assisted CT-driven adaptive workflow; MR-Linac uses MRI-based on-table re-planning - Session time: Gemini 360 sessions are typically 30–45 minutes; MR-Linac sessions often 45–90 minutes - Magnetic-field considerations: MR-Linac patients must be MRI-compatible (no certain implants, no claustrophobia issues); Gemini 360 has no such restriction - Contrast: Gemini 360 imaging does not typically require gadolinium contrast - Range of indications on one platform: Gemini 360 supports SBRT, SRS, SFRT, and low-dose benign RT ## Where MR-Linac shines MR-Linac platforms have an advantage when soft-tissue motion needs to be visualized in real time during the radiation beam — for example, gating around respiratory motion in some upper-abdomen cases. Centers that have invested in MR-Linac often use it for difficult pancreatic and liver cases. ## Where the Gemini 360 shines The Gemini 360 is designed around speed, breadth, and a clean adaptive workflow. Sessions are shorter, the platform supports the full spectrum of techniques (SBRT, SRS, SFRT, low-dose benign RT) on a single machine, and patients with implants or claustrophobia who can't tolerate an MR-Linac can still receive adaptive treatment. ## Which is right for me? For the vast majority of indications either modern adaptive platform delivers excellent results. The right answer depends on your diagnosis, anatomy, prior treatment, implants, comfort with MRI, and travel logistics. We're happy to talk through the trade-offs in your specific case — call (435) 900-7060 or visit /faq for our most common patient questions. ## Learn More [### Akesis Gemini 360 About the technology we use. Learn more](/technology) [### Adaptive vs. Conventional Radiation Side-by-side comparison of adaptive and conventional radiation therapy. Learn more](/compare/adaptive-vs-conventional-radiotherapy) [### Clinical Data Evidence behind adaptive radiotherapy. Learn more](/clinical-data) Take the next step ## There is no time for cancer. You deserve the most advanced care available. Schedule a consultation with our physicians and staff today to discuss your treatment options. 1308 E 900 South, Unit B, St. George, UT 84790 [Call (435) 900-7060](tel:+14359007060)[Request Consultation](https://www.5dcancerservices.com) Please do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel. Bringing the most advanced Adaptive Radiotherapy to Southern Utah. No time for cancer. 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