If you’ve ever stared at a wall of blender boxes trying to figure out which one actually justifies its counter space, you’re not alone. The Ninja Deluxe Kitchen System (CO905KS) promises a lot—blending, food processing, single-serve drinks—all from one base. But how does it stack up against its own siblings and against NutriBullet? Lab tests from RTINGS.com give us concrete answers, and they’re worth knowing before you spend.

Power: 1600 Watts · Main Pitcher Capacity: 80-88 oz · Processor Bowl: 9-Cup · Programs: Auto-iQ · Key Feature: Blender/Food Processor Combo

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact juicer extraction capability undefined in specs
  • Long-term blade sharpness retention after heavy use
3Timeline signal
  • RTINGS published updated Ninja blender rankings in 2026 (RTINGS.com 2026 Ninja rankings)
4What happens next
  • Price drops likely after new model announcements
  • Costco bundles may reappear seasonally

The specifications table below consolidates key details from retailer listings and lab testing.

Spec Value
Model CO905KS
Power 1600 Watts
Pitcher 88 oz (Costco)
Processor 9-Cup
Technology Auto-iQ
Dishwasher Safe Parts yes

What is the difference between Ninja Professional Plus and Deluxe Kitchen System?

The Ninja Professional Plus Kitchen System with Auto-iQ and the Ninja Deluxe Kitchen System CO905KS share the same brand DNA, but they target different kitchen priorities. RTINGS.com’s direct comparison puts the Professional Plus ahead in build quality and accessory count, while the Deluxe wins on sheer capacity.

Pitcher and processor capacities

When it comes to making big batches, the Deluxe pulls ahead. Its main pitcher holds 80oz, compared to the Professional Plus’s smaller main container. The Deluxe also includes a 72oz food processor bowl—larger than what the Professional Plus offers in the same category. If you’re regularly feeding a family or meal-prepping for the week, that extra headroom matters.

Power and Auto-iQ programs

Both systems lean on Ninja’s Auto-iQ presets, which automate pulsing and speed patterns for common tasks. The Deluxe packs 1600 watts of motor power, matching or exceeding the Professional Plus for heavy loads like frozen fruit and dense nut butters. RTINGS notes that both handle ice reasonably well, though the Professional Plus edges out the Deluxe in producing snow-like crushed ice consistency.

Blending performance per rtings

In RTINGS lab tests, the Ninja Professional Plus delivers better build quality overall and comes with two personal jars instead of the Deluxe’s single 24oz personal jar. The Deluxe struggles more visibly with fibrous ingredients like kale in its 80oz pitcher—the larger container diameter dilutes blade efficiency compared to smaller-batch models. The implication: if you prioritize smoothie quality over batch size, this gap is worth factoring in.

Bottom line: Choose the Deluxe for capacity and food processing volume. Choose the Professional Plus for build longevity, dual personal jars, and fibrous-ingredient blending quality.

What does the Ninja Deluxe Kitchen System do?

The Ninja Deluxe Kitchen System CO905KS is a multi-attachment kitchen hub centered on a 1600-watt motor base. Rather than buying separate appliances, you get blending, food processing, and single-serve drink capabilities from one unit.

Core functions and attachments

  • 80oz main pitcher for smoothies, frozen drinks, and batch sauces
  • 72oz food processor bowl for chopping, shredding, and mixing doughs
  • 24oz personal jar for single-serve portability
  • Multiple blade assemblies for different textures

Auto-iQ presets

Auto-iQ programs automate speed and pulse sequences for tasks like crushing ice, making smoothies, or processing dips. The catch: RTINGS notes the Deluxe offers limited manual speed adjustments compared to some competitors, so if you like granular control, you’ll be working within Ninja’s predefined presets.

Versatility for smoothies, salsas, desserts

The system handles most standard kitchen tasks well. Ice crushing is solid for most recipes, though the Deluxe cannot hot blend—meaning soups and heated sauces are off the menu. The food processor tackles salsas, nut grinding, and cookie dough with ease. For desserts, the personal jar works well for single servings of mousse or ice cream bases.

Buyers expecting the Deluxe’s hot blending capability will hit a wall—many Ninja blenders lack this feature, according to RTINGS.com’s 2026 Ninja blender roundup. The NutriBullet Triple Prep System, by contrast, supports hot blending for soups and sauces.

Why this matters

The Deluxe trades hot-blending functionality for raw power and capacity, making it better suited for batch processing than for soups or heated recipes.

Is NutriBullet better than Ninja Deluxe Kitchen System?

The NutriBullet vs Ninja rivalry runs deep, and the answer isn’t one-size-fits-all. RTINGS.com’s head-to-head testing shows each brand excelling in different territories—what matters is what you’re actually making.

Frozen fruit blending test

For smoothies with fibrous ingredients like kale or spinach, NutriBullet full-size models outperform Ninja’s larger pitchers. The NutriBullet Blender Combo makes “much smoother blends with fibrous ingredients than the Ninja Professional Plus,” per RTINGS.com testing, and the same principle applies when scaling up to the Deluxe’s 80oz container. Larger pitchers dilute blade efficiency for fine fibrous blending.

Capacity and power comparison

Ninja wins on volume. The Deluxe’s 80oz pitcher and 72oz food processor outpace NutriBullet’s typical single-jar setups. If you’re regularly making large batches for a household, Ninja’s capacity advantage is concrete.

Triple Prep vs CO905KS

The NutriBullet Triple Prep System offers hot blending—a feature the Deluxe lacks. For buyers prioritizing soups, sauces, or heated smoothies, this is a significant functional difference. The Ninja Deluxe compensates with superior ice crushing and nut butter performance, areas where NutriBullet models typically struggle.

The trade-off

Ninja full-size blenders perform better for ice crushing, nut butter, and hummus, while NutriBullet models excel at liquidy recipes with fibrous ingredients. RTINGS.com recommends Ninja more often overall, but the “better” choice depends entirely on your primary use case.

What are the common problems with Ninja blenders?

No appliance is bulletproof, and user reports across forums and retailer reviews surface recurring themes. Knowing these helps you set realistic expectations—and spot warning signs early.

Troubleshooting leaks and jams

Leaks typically stem from gasket wear or overfilling, not motor failure. User guides and YouTube tutorials cover troubleshooting steps for all Ninja models, making basic repairs accessible without professional service.

Blade dulling over time

Heavy use—particularly with hard ingredients like frozen fruit and ice—causes blade degradation. While specific long-term durability data varies, RTINGS notes that Ninja models generally handle wear reasonably well within typical consumer usage patterns.

Motor overheating fixes

Extended blending sessions can trigger thermal shutdowns as a safety feature. Letting the motor cool before resuming usually resolves the issue. Suction cups on the base generally keep the unit stable during operation, according to user reports.

What to watch

The Deluxe’s larger pitcher struggles more than smaller models with fibrous ingredients like kale. If you plan to make green smoothies regularly, consider whether the batch size advantage outweighs blending quality trade-offs.

What blender is better, Ninja or KitchenAid?

KitchenAid positions itself as premium, with metal construction and brand prestige, while Ninja delivers more features per dollar. RTINGS testing provides concrete data for the comparison.

K400 vs Ninja Professional Plus

The KitchenAid K400 blender features a unique teardrop jar design and solid build quality, but for large-volume tasks, Ninja models typically process faster. Ninja’s Auto-iQ programs also automate what KitchenAid users handle manually.

Build quality and noise

KitchenAid’s metal housing beats Ninja’s plastic bases in tactile quality and longevity perception. However, Ninja models—including the Deluxe—often operate more quietly than comparable KitchenAid units, according to comparative testing.

Ice crushing and hot blending

Ninja’s high-wattage motors excel at ice crushing and nut butter, areas where KitchenAid’s lower-power models can struggle. Neither brand universally supports hot blending in their base configurations, so if soups are a priority, verify specific model capabilities before purchase.

Buyers choosing Ninja gain versatility and power per dollar spent; those prioritizing KitchenAid pay more for aesthetics and brand cachet but sacrifice the Auto-iQ automation that streamlines most kitchen tasks.

Bottom line: Ninja delivers more affordable multi-tool versatility for most kitchen tasks. KitchenAid appeals to buyers prioritizing build aesthetics and brand cachet over raw functional value.

The comparison matrix below summarizes how the Ninja Deluxe stacks up against key competitors across multiple performance dimensions.

Feature Ninja Deluxe (CO905KS) Ninja Professional Plus NutriBullet Blender Combo NutriBullet Triple Prep
Main Pitcher 80oz Smaller Varies Smaller than Deluxe
Food Processor 72oz Included Not specified Included
Hot Blending No No Yes Yes
Build Quality Good Much better Good Good
Ice Crushing Good Better (snow-like) Struggles Limited
Fibrous Smoothies Struggles Moderate Smoother Smoother
Personal Jars 1 (24oz) 2 Varies Varies

The full specification breakdown below provides additional detail on the Deluxe model specifically.

Specification Detail
Model Number CO905KS
Motor Power 1600 Watts
Main Pitcher Capacity 80oz (88oz at Costco)
Food Processor Bowl 72oz (9-Cup)
Personal Jar 24oz
Auto-iQ Programs Multiple automatic presets
Hot Blending No
Dishwasher Safe Parts Yes (select parts)
Specialty Performance Ice, nut butter, hummus

Upsides

  • 80oz pitcher handles family batches
  • 72oz food processor covers most chopping tasks
  • 1600W motor handles ice and nut butter
  • Auto-iQ automation simplifies common tasks
  • Parts dishwasher-safe for easy cleanup
  • More affordable than buying separate appliances

Downsides

  • Cannot hot blend (no soups or heated sauces)
  • Struggles with fibrous ingredients in large pitcher
  • Lower build quality than Professional Plus
  • Only one personal jar vs two in Professional Plus
  • Limited manual speed control
  • Fibrous smoothie quality lags NutriBullet

What people say

The Ninja Professional Plus Kitchen System with Auto-iQ is better than the Ninja Deluxe Kitchen System CO905KS.

— RTINGS.com lab testing comparison

If you’re only using your blender for smoothies, soups, and other liquid recipes, NutriBullet’s full-size blenders are a better bet.

— RTINGS.com brand comparison guide

Ninja full-size blenders perform better for ice crushing, nut butter, and hummus.

— RTINGS.com use-case analysis

For shoppers weighing the Ninja Deluxe Kitchen System CO905KS, the decision hinges on honest self-assessment of your kitchen priorities. The Deluxe’s capacity and multi-functionality serve households prioritizing batch prep and versatility over smoothie perfection. If fibrous green smoothies or hot soups are daily rituals, NutriBullet’s full-size models—or the Ninja Professional Plus—better fit those needs despite the Deluxe working harder to compete on price and volume.

Related reading: How to Clean a Dishwasher · Greek Pasta Salad Recipe

While the Deluxe Kitchen System handles large batches with its 88oz pitcher, Ninja’s portable blender lineup delivers battery-powered convenience for on-the-go smoothies.

Frequently asked questions

What attachments are included with the Ninja Deluxe Kitchen System?

The CO905KS includes an 80oz main pitcher, a 72oz (9-cup) food processor bowl, a 24oz personal jar, multiple blade assemblies, and a motor base with Auto-iQ controls.

Is the Ninja Deluxe Kitchen System available at Costco?

Costco bundles sometimes include the Ninja Deluxe with the larger 88oz pitcher. Availability varies by region and season, so checking local Costco inventory or their website is recommended.

How much power does the Ninja Deluxe Kitchen System have?

The system features a 1600-watt motor, providing ample torque for ice crushing, nut butter making, and dense food processing tasks.

Can the Ninja Deluxe Kitchen System handle frozen fruit?

Yes, the 1600W motor and Auto-iQ programs handle frozen fruit well for smoothies and frozen drinks. However, RTINGS notes the larger pitcher struggles more with fibrous ingredients like kale compared to smaller-batch models.

Is the Ninja Deluxe Kitchen System easy to clean?

Select parts are dishwasher-safe, and the personal jar and smaller components clean easily by hand. The larger pitcher requires more attention due to its size.

What is the price of the Ninja Deluxe Kitchen System CO905KS?

Pricing varies by retailer. Costco bundles typically offer competitive pricing, while Amazon and Ninja’s website provide standard retail options. Comparing across retailers before purchase is advisable.

Does the Ninja Deluxe Kitchen System extract juice?

The Deluxe is a blender and food processor system—it does not function as a dedicated juicer with pulp separation. For juice extraction, a separate juicer attachment or dedicated juicer would be required.