Home//Compare//Ninja Single Serve Coffee Maker vs Keurig K-Slim Coffee Maker

Ninja Single Serve Coffee Maker vs Keurig K-Slim Coffee Maker — Which Is Better?

Single Serve / Pod Maker · Updated July 2026 · Live prices
Overall Winner
Ninja Single Serve Coffee Maker - Combo Machine, K-Cup Pods and Grounds
A
Ninja Single Serve Coffee Maker
Ninja
Amazon BSR #1,136
$99.95
was $129.99
View deal →
Keurig K-Slim Single Serve K-Cup Pod Coffee Maker, Multistream Technology, 3 Brew Sizes, Slim and Sleek Design, 46oz Removable Reservoir, White
B
Keurig K-Slim Coffee Maker
Keurig
Amazon BSR #5,476
$109.99
was $149.99
View deal →
TOO CLOSE TO CALL

The Ninja Single Serve Coffee Maker and Keurig K-Slim Coffee Maker are closely priced, but the Ninja's demand is higher, with a BSR of 1136. The key difference is the Ninja's Thermal Flavor Extraction system and built-in milk frother, which may be worth the extra $10 for coffee enthusiasts. The Ninja is the overall winner due to its higher demand and more advanced features.

  • Ninja is $99.95, down from $129.99
  • Keurig is $109.99, down from $149.99
  • Ninja has a Thermal Flavor Extraction system and built-in milk frother
  • Ninja is the better buy for coffee enthusiasts
  • Keurig is a good option for those who want a compact coffee maker
Right now · Ninja Single Serve Coffee Maker

The Ninja Single Serve Coffee Maker is currently priced at $99.95, which is $30 under its list price. Its demand is high, with a BSR of 1136.

Right now · Keurig K-Slim Coffee Maker

The Keurig K-Slim Coffee Maker is currently priced at $109.99, which is $40 under its list price. Its demand is lower, with a BSR of 5476.

Pros & cons

Ninja Single Serve Coffee Maker
Brews both pods and grounds for flexibility
Built-in milk frother for cafe-style drinks
Adjustable drip tray fits travel mugs
56 oz removable reservoir for easy refilling
May take up counter space with its features
Limited to single-serve brewing
No built-in grinder for whole beans
Keurig K-Slim Coffee Maker
Fits small spaces with less than 5 inches width
Brews 8, 10, or 12 oz cups at the push of a button
Removable drip tray accommodates travel mugs
Energy efficient with auto off feature
Reservoir capacity may not be enough for large households
Limited to K-Cup pods or separate universal coffee filter
No built-in grinder for whole coffee beans

Composite Score

Ninja Single Serve Coffee Maker
61/100
VS
Keurig K-Slim Coffee Maker
58/100
Amazon Demand (50%)
61%
53%
Value Metric (30%)
68%
70%
Deal Timing (20%)
50%
50%

Quick verdict

Overall Winner
Ninja Single Serve Coffee Maker
Best Value
Ninja Single Serve Coffee Maker
Highest Demand
Ninja Single Serve Coffee Maker
Best Deal Timing
Tie

What actually differs

SpecNinja Single Serve Coffee MakerKeurig K-Slim Coffee MakerWhat it means
Capacity6-oz. to 24-oz.8, 10, or 12 oz.Ninja has more size options
Milk FrotherBuilt-inNot listedNinja has a built-in frother
Thermal Flavor ExtractionYesNoNinja has advanced flavor extraction

Who each one is for

Ninja Single Serve Coffee Maker

The Ninja Single Serve Coffee Maker is suitable for coffee enthusiasts who want a machine with advanced features like Thermal Flavor Extraction and a built-in milk frother. It's also a good option for those who need a compact coffee maker with a small footprint. The Ninja's higher demand and more advanced features make it the better buy for those who are willing to pay a bit more.

Keurig K-Slim Coffee Maker

The Keurig K-Slim Coffee Maker is a good option for those who want a compact coffee maker with a slim design. It's also suitable for those who are on a budget and want a coffee maker with a lower price point. However, it may not be the best option for coffee enthusiasts who want advanced features like Thermal Flavor Extraction and a built-in milk frother.

Demand right now

The Ninja Single Serve Coffee Maker has a higher demand, with a BSR of 1136, indicating that it is more popular among Amazon customers. The Keurig K-Slim Coffee Maker has a lower demand, with a BSR of 5476. This suggests that the Ninja is a more sought-after product, possibly due to its advanced features and compact design.

Bottom line

The Ninja Single Serve Coffee Maker is the overall winner due to its higher demand and more advanced features. Its Thermal Flavor Extraction system and built-in milk frother make it a great option for coffee enthusiasts. With a current price of $99.95, which is $30 under its list price, it's a good time to buy. If you're looking for a compact coffee maker with advanced features, the Ninja is the better choice.

Common questions

What is the main difference between the Ninja and Keurig coffee makers?
The Ninja has a Thermal Flavor Extraction system and a built-in milk frother, while the Keurig does not.
Which coffee maker is more compact?
The Keurig K-Slim Coffee Maker is more compact, with a depth of 4.7 inches, while the Ninja has a depth of 13.07 inches.
Can I use both coffee makers with travel mugs?
Yes, both coffee makers are compatible with travel mugs. The Ninja has an adjustable drip tray that can fit travel mugs, and the Keurig has a removable drip tray that can accommodate travel mugs up to 7.0 inches tall.
How much coffee can I make with each coffee maker?
The Ninja can make cups ranging from 6 to 24 ounces, while the Keurig can make 8, 10, or 12 ounce cups.
Is the Ninja coffee maker worth the extra $10?
It depends on your priorities. If you're a coffee enthusiast who wants advanced features like Thermal Flavor Extraction and a built-in milk frother, the Ninja may be worth the extra $10. However, if you're on a budget and just want a basic coffee maker, the Keurig may be a better option.

The scores are based on Amazon demand, live vs list price, and price history, without considering star ratings.

TL;DR
  • Right now — Ninja Single Serve Coffee Maker: $99.95, down from $129.99, Amazon BSR #1,136.
  • Right now — Keurig K-Slim Coffee Maker: $109.99, down from $149.99, Amazon BSR #5,476.
  • If price matters most, the Ninja Single Serve Coffee Maker is $99.95.
  • Stronger Amazon demand: Ninja Single Serve Coffee Maker (BSR #1,136).
  • Composite pick (demand + value + deal): Ninja Single Serve Coffee Maker.

Winner by category

CategoryNinja Single Serve Coffee MakerKeurig K-Slim Coffee MakerWinner
ValueNinja Single Serve Coffee Maker$10.04 cheaper
DemandNinja Single Serve Coffee MakerBSR #1,136
Deal ScoreTie50/100
OverallNinja Single Serve Coffee MakerDemand + value + deal

Price comparison

Ninja Single Serve Coffee Maker
$99.95
Lowest ever: $99.95
50/100
Difference
$10.04
Keurig K-Slim Coffee Maker
$109.99
Lowest ever: $109.99
50/100

Price history

Ninja Single Serve Coffee MakerKeurig K-Slim Coffee Maker
A lowest ever$99.95
B lowest ever$109.99
Current A$99.95
Current B$109.99

Price intelligence

◆ HawkShift AI
8 scans
Every 0.7d avg
Current Price
$99.95
Predicted 7D
$99.95
$0.00 (0.00%)
Predicted 30D
$99.95
$0.00 (0.00%)
AI Signal
Good Buy
25% confidence
Price
EMA
Forecast
Price Intelligence
TrendFLAT
Confidence25%
Volatility0.0%
Data QualityLow
Scan Freq0.7d
Key Levels
Resistance$99.95
Support$99.95
All-Time High$99.95
All-Time Low$99.95
AI Factors
🌙 SeasonalNone
🏷 Promo 7D5%
Recommendation
Only $99.95 observed so far (no real high/low range) — set an alert
Price Range
$99.95$99.95
0th percentile
Confidence Intervals
7 Day
$98.95$100.95
30 Day
$98.95$100.95
Trend Strength
0.00Weak
R² SCORE
Price Momentum
0.00%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan
◆ HawkShift AI
8 scans
Every 0.7d avg
Current Price
$109.99
Predicted 7D
$109.99
$0.00 (0.00%)
Predicted 30D
$109.99
$0.00 (0.00%)
AI Signal
Good Buy
25% confidence
Price
EMA
Forecast
Price Intelligence
TrendFLAT
Confidence25%
Volatility0.0%
Data QualityLow
Scan Freq0.7d
Key Levels
Resistance$109.99
Support$109.99
All-Time High$109.99
All-Time Low$109.99
AI Factors
🌙 SeasonalNone
🏷 Promo 7D5%
Recommendation
Only $109.99 observed so far (no real high/low range) — set an alert
Price Range
$109.99$109.99
0th percentile
Confidence Intervals
7 Day
$108.89$111.09
30 Day
$108.89$111.09
Trend Strength
0.00Weak
R² SCORE
Price Momentum
0.00%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan

Key specs

SpecNinja Single Serve Coffee MakerKeurig K-Slim Coffee Maker
Size6-oz. to 24-oz.Regular
ColorStandard-BlackWhite
ModelPB051K900
BindingKitchenKitchen
Depth In13.074.7
Warranty1 year limited warranty
Width In5.5115.2
Height In13.3112.1
UnitCount11
Weight Lb8.66.22
Dimensions5.51"W × 13.07"D × 13.31"H15.2"W × 4.7"D × 12.1"H
Basket Typesinglesingle
ReleaseDate2023-06-07T00:00:01Z
ProductGroupKitchenKitchen
ItemPartNumberPB051K900
Amazon Sales Rank11365476
Capacity Oz46

Performance analysis

Deal timing

Ninja Single Serve Coffee Maker: $99.95, down from $129.99, Amazon BSR #1,136. Keurig K-Slim Coffee Maker: $109.99, down from $149.99, Amazon BSR #5,476.

Demand

The Ninja Single Serve Coffee Maker shows stronger Amazon demand (BSR #1,136). Best Sellers Rank moves with real purchase volume — we use it instead of star ratings when reviews aren’t available.

Value

At $99.95, the Ninja Single Serve Coffee Maker is $10.04 cheaper. The gap is small — decide on demand and specs, not pennies.

Overall

On HawkShift’s Amazon composite (demand + value + deal timing), the Ninja Single Serve Coffee Maker leads. This is not a star-rating verdict — it’s price and marketplace demand.

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