Galleri by GRAIL vs Shield by Guardant

Side-by-side comparison of cancer screening tests.

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Galleri by GRAIL

Not FDA approved
$949

50+ cancers

Shield by Guardant

FDA approved
$895

Colorectal only

Test Performance

FeatureGalleri by GRAILShield by Guardant
Price$949$895
Cancers Detected50+ cancersColorectal only
Sensitivity51.5% overall84% for CRC
Specificity99.5%90%
Sample TypeBlood drawBlood draw
FDA StatusNot FDA approvedFDA approved