The Ninja AF101 and COSORI Pro II are two of the most popular compact air fryers on Amazon. Both have strong ratings, but they solve slightly different kitchen problems. Here is the practical comparison using the latest catalog data.
Quick Answer
Choose the Ninja AF101 if you want a compact 4-quart basket for 2 to 4 people and prefer the lower listed price. Choose the COSORI Pro II if you want 5.8 quarts, 12 presets, and smart-home compatibility.
Side-by-Side
| Ninja AF101 | COSORI Pro II | |
|---|---|---|
| Capacity | 4 quarts | 5.8 quarts |
| Best for | Compact kitchens | Larger batches |
Ninja AF101: Best Compact Pick
Compact 4-quart air fryer with wide temperature range 105-400F. Dishwasher-safe parts. Perfect for 2-4 people. It is the better fit when counter space matters and you normally cook for one to four people.
Ninja AF101 Air Fryer 4QT

Key features
- 4 Qt capacity
- 105-400F range
- Dishwasher-safe
- Compact design
View details: Ninja AF101 Air Fryer 4QT
COSORI Pro II: Best for Bigger Batches
12 one-touch functions, square basket fits more food. Works with Alexa and Google Assistant. Its square basket and larger capacity make it the more flexible option for family portions.
COSORI Pro II Air Fryer 5.8QT

Key features
- 5.8 Qt capacity
- 12 preset functions
- Square basket
- Smart home compatible
View details: COSORI Pro II Air Fryer 5.8QT
Which One Wins?
Best overall for small households: Ninja AF101. Its 4-quart size is easier to fit and the rating is higher in the current catalog.
Best for families and meal prep: COSORI Pro II. The 5.8-quart basket and 12 preset functions give you more room and convenience.
Best smart-home option: COSORI Pro II, with Alexa and Google Assistant compatibility listed in the catalog.
Prices and availability can change. Check the live Amazon listing before buying.
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