It was a cold, rainy Sunday afternoon. I was stuck indoors, but I really craved a juicy, charred steak. The smell of sweet barbecue always lifts my mood. That is exactly why I started looking into the Ninja AG301 Vs FG551. I wanted to see which one could save my dinner plans without filling my house with smoke.
Ninja AG301 Review

This compact indoor grill changed how I cook. It acts as an air fryer and a grill in one simple box. I can roast, bake, or fry almost anything. It fits perfectly on my small kitchen counter.
Pros and Cons
Here is a quick look at the good and the bad. It helps to see it all laid out.
| Pros | Cons |
| Cooks food very fast | Small space for big meals |
| Easy to wash in a sink | Can be a bit loud |
| Does not take up much room | The power cord is short |
My Daily Cooking Companion
After using this grill for a couple of months, it became my true go-to gadget. The loud sizzle of the meat on the hot plate sounds amazing. I love tossing in some cold, boring fries and watching them quickly turn golden brown.

The clean-up process is an absolute breeze. I just throw the non-stick plates right into the dishwasher. It really makes cooking fun again without any scrubbing stress.
Recommendation
This model is perfect for a single person or a young couple. If you have a huge family to feed, this unit is not good for you.
Ninja FG551 Review
I upgraded to this larger model when I hosted a big game day party. This smart grill has a neat built-in thermometer. You never have to guess if the chicken is fully done. It holds a ton of food and cooks everything right. You get six fun cooking modes to try.

Pros and Cons
Let us see what makes this large grill stand out.
| Pros | Cons |
| Fits lots of food | Very heavy to move |
| Smart meat probe included | Takes up a lot of space |
| Looks sleek and modern | Costs a bit more money |
The Ultimate Upgrade
I have had this bigger model for a couple of months now. It cooks thick steaks to a perfect pink inside. The built-in probe takes away all my cooking stress. The meat never comes out dry or tough.

The extra cooking space is a massive game changer. I can grill a whole batch of hot dogs at once. The smell of fresh, warm food fills the room, but the harsh smoke stays trapped inside.
Recommendation
This is perfect for big families or folks who love to host. It is not good if you have a tiny kitchen or mostly eat alone.
Detail Comparison for Ninja AG301 Vs FG551
Let us look closely at how these two machines match up. The Ninja AG301 Vs FG551 debate really comes down to your daily habits. Both units make great food, but they serve different crowd sizes.

Capacity & Size: Ninja AG301 Vs FG551
The first model has a four-quart pot. It nicely fits about four burgers. The bigger one fits up to six large steaks at once.
| Feature | Ninja AG301 | Ninja FG551 |
| Grate Size | 10 x 10 inches | 9 x 12 inches |
| Best For | 1-2 people | 3-5 people |
| Storage | Fits in tight spots | Needs deep shelves |
Rating: AG301 (8/10), FG551 (10/10)
Cooking Performance: Ninja AG301 Vs FG551
Both grills reach an impressive high heat. They sear meat fast and leave nice grill marks. The smart probe in the larger unit gives it a clear edge.
| Feature | Ninja AG301 | Ninja FG551 |
| Max Heat | 500 degrees | 500 degrees |
| Meat Probe | No | Yes |
| Searing | Great | Excellent |
Rating: AG301 (8/10), FG551 (9/10)

Ease of Use: Ninja AG301 Vs FG551
Both machines have clear, bright buttons. The smaller one is very simple to start right away. The larger unit takes a few more steps due to the smart probe.
| Feature | Ninja AG301 | Ninja FG551 |
| Controls | Push buttons | Digital display |
| Presets | 5 modes | 6 modes |
| Setup | Very quick | Needs a bit more time |
Rating: AG301 (9/10), FG551 (9/10)
Cleaning & Maintenance: Ninja AG301 Vs FG551
Washing up is super easy for both items. The inner parts do not stick to your food at all. You can put all the dirty parts right into your dishwasher.
| Feature | Ninja AG301 | Ninja FG551 |
| Dishwasher Safe | Yes | Yes |
| Hand Washing | Easy | Easy |
| Splatter Guard | Removable | Removable |
Rating: AG301 (10/10), FG551 (10/10)
Safety Features: Ninja AG301 Vs FG551
Smoke control is a huge deal when you cook indoors. Both models have cool-air zones to stop messy smoke. They also turn off by themselves when you open the lid.
| Feature | Ninja AG301 | Ninja FG551 |
| Smoke Control | Good | Great |
| Auto Shut-off | Yes | Yes |
| Outside Heat | Gets warm | Stays mostly cool |
Rating: AG301 (8/10), FG551 (9/10)
Conclusion
Both of these solid grills make tasty, fast meals. The smaller one is a joy for quick, simple dinners. The larger unit truly shines when hungry guests come over. Your top choice simply depends on how much food you plan to cook.