Galleri by GRAIL vs Signatera by Natera

Side-by-side comparison of cancer screening tests.

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Galleri by GRAIL

Not FDA approved
$949

50+ cancers

Signatera by Natera

FDA approved (MRD)
Variable

Patient-specific

Test Performance

FeatureGalleri by GRAILSignatera by Natera
Price$949Variable
Cancers Detected50+ cancersPatient-specific
Sensitivity51.5% overallVaries by cancer
Specificity99.5%>99.8%
Sample TypeBlood drawBlood draw
FDA StatusNot FDA approvedFDA approved (MRD)