Head-to-head · Best Single-Serve Coffee Makers

Keurig K-Classic Single Serve K-Cup Pod Coffee Maker vs Keurig K-Supreme Plus Smart Single Serve Coffee Maker

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Keurig K-Supreme Plus Smart Single Serve Coffee Maker comes out ahead by a clear margin (3.5 vs 4.6). The gap is mostly about users wanting balance of convenience and coffee quality — read the strengths below before deciding.

Ranked #7 in Best Single-Serve Coffee Makers

Keurig K-Classic Single Serve K-Cup Pod Coffee Maker

3.5

$159.99as of Jul 9

The Keurig K-Classic is a straightforward single-serve coffee maker that offers three brew sizes and works with all K-Cup pods, including unbranded and reusable options. Reviewers noted its simplicity and fast brewing, though the coffee quality is generally weak and the machine has a large footprint. While it's easy to use and includes features like an automatic off function and removable water tank, it's not recommended for those seeking better coffee flavor compared to Nespresso machines. It's best suited for users who already prefer specific K-Cup brands and prioritize convenience over coffee taste.

Strengths

— Can brew in three cup sizes (6oz, 8oz, 10oz)
— Works with unbranded pods
— Easy to clean

Watch-outs

— Many K-cups non-recyclable
— Coffee quality lower than Nespresso
— Large footprint

$159.99 · Check Price on Amazon Full review →

Higher ratedRanked #2 in Best Single-Serve Coffee Makers

Keurig K-Supreme Plus Smart Single Serve Coffee Maker

4.6

$199.99as of Jul 9

The Keurig K-Supreme Plus Smart Single Serve Coffee Maker features Keurig's MultiStream technology, which improves extraction by punching five holes in K-Cup pods instead of one. Reviewers noted it delivers better coffee quality and offers customizable brew strength, temperature, and drink sizes. However, some reviewers criticized the brew temperature and extraction time as still being suboptimal. The machine also comes with a premium price tag, making it less accessible for budget-conscious buyers. It's best suited for those wanting a balance between convenience and coffee quality without the full smart connectivity features of the K-Supreme Smart model.

Strengths

— MultiStream technology improves coffee extraction and flavor
— Offers 6 brew size options (6-12 oz) and 5 strength settings
— Includes programmable buttons for saved brewing preferences

Watch-outs

— Brew temperature still too low for optimal extraction
— Extraction time remains insufficient for full flavor development
— Price is fairly high compared to basic models

$199.99 · Check Price on Amazon Full review →

How they stack up

Keurig K-Classic Single Serve K-Cup Pod Coffee Maker

The K-Classic is the most basic model, offering fewer features than the K-Elite and K-Supreme Plus, but it's more affordable than the K-Duo and K-Mini Plus. While it works with unbranded pods and is easy to clean, it lacks the brew quality and customization options that the Keurig K-Elite and K-Supreme Plus provide, making it less appealing for coffee enthusiasts.

Keurig K-Supreme Plus Smart Single Serve Coffee Maker

The K-Supreme Plus introduces MultiStream technology that improves extraction quality compared to the Keurig K-Elite and K-Classic, but it's more expensive and still falls short of optimal brew temperatures. Unlike the Ninja DualBrew Pro, it lacks a built-in milk frother, and while it offers more customization than the K-Mini Plus, it's less compact and doesn't support ground coffee brewing.

Specs side-by-side

Spec	Keurig K-Classic Single Serve K-Cup Pod Coffee Maker	Keurig K-Supreme Plus Smart Single Serve Coffee Maker
Compatibility	All K-Cups	K-Cup pods
Brewing Methods	hot coffee	hot and iced
Water Capacity	48oz	66 ounces
Dimensions	13 in tall, 13 in deep, and 10 in across	12.2H x 7.9W x 12D inches
Brew Sizes	6oz, 8oz, 10oz	6-12 ounces
Material	Plastic	Stainless Steel
Weight	—	5.8 lb

← See the full ranking of best single-serve coffee makers