NEW YORK (TheStreet) -- Marc Lore's e-commerce company launched recently with a premise to online shoppers that mimics Costco (COST) - Get Report. For an annual membership fee of $50, Jet promises "dynamic pricing" that will undercut prices at most other outlets. 

Many observers see Jet as a competitor to Amazon's (AMZN) - Get ReportPrime service, which charges a fee of $99 a year, but also includes free two-day shipping and other perks like online videos and music. Jet, of course, is far smaller and offers fewer goods. To see how the two services stack up, view the graphic below:

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