Reader Supported: ReviewTwist independently tests and evaluates products. When you buy through our links, we may earn an affiliate commission at no extra cost to you.
Our Testing Methodology
Save / Share:Pin to Board
Head-to-Head Appliance Showdown

Ninja AF101 vs. Cosori Pro II: Detailed Lab Comparison

While both air fryers deliver excellent crispy food, they cater to distinctly different household sizes. The Ninja AF101 is the superior choice for singles and couples wanting ultra-fast preheating and ceramic nonstick. The Cosori Pro II wins for families of 3 or more thanks to its spacious square basket and 1.8-quart larger capacity.

Overall Winner Selected

Cosori Pro II 5.8-Quart Air Fryer

Based on overall lab scores, build quality, and household versatility, our testers select the Cosori Pro II 5.8-Quart Air Fryer as the stronger investment.

Feature / Specification
Ninja AF101 4-Quart Air Fryer

Ninja AF101 4-Quart Air Fryer

$89.99
ReviewTwist Score: 9.1 / 10
Overall Winner
Cosori Pro II 5.8-Quart Air Fryer

Cosori Pro II 5.8-Quart Air Fryer

$99.99
ReviewTwist Score: 8.9 / 10
Performance & Dimension Benchmarks
Capacity Quarts4.0 Quarts5.8 Quarts
Basket ShapeRoundSquare
Wattage15501700
Temperature Range105°F - 400°F170°F - 400°F
Dimensions13.6 x 11.0 x 13.3 in14.3 x 11.8 x 12.6 in
Weight Lbs10.611.9
PresetsAir Fry, Air Roast, Reheat, Dehydrate12 Presets
Coating TypeNano-Ceramic Nonstick (PTFE-free)N/A
Dishwasher Safetruetrue
Lab Score Breakdown (Out of 10)
Performance9.38.8
Build Quality98.5
Ease of Use & Cleaning9.58.7
Value for Money9.49.2

Category Breakdown: Where Each Model Wins

Best for Budget & Value
Ninja AF101 4-Quart Air Fryer

Delivers lower upfront retail price without sacrificing essential safety or build quality.

Best for Cooking Capacity
Cosori Pro II 5.8-Quart Air Fryer

Provides more usable flat surface area and cubic volume for larger meal prep.

Best for Pure Performance
Ninja AF101 4-Quart Air Fryer

Achieved higher thermal stability and faster crisping benchmarks in our testing trials.

Decision Guide 1

Who Should Buy The Ninja AF101 4-Quart Air Fryer?

Buy the Ninja AF101 if you cook for 1–2 people, have limited counter depth, and prioritize ceramic nonstick coating over cooking volume.

Decision Guide 2

Who Should Buy The Cosori Pro II 5.8-Quart Air Fryer?

Buy the Cosori Pro II if you have 3–5 people to feed, love cooking single-layer flat foods (burgers, salmon fillets), and prefer one-touch presets.