Cooking a big family dinner used to make me want to cry. I always had too much food and not enough oven space to get it all done. Then I started looking into dual ovens to save my sanity. Trying to decide between the Ninja Dct400 Vs Dct401 was tough, but I found out exactly how they differ. Here is my honest take on both models based on real use.
Ninja Dct400 Review

The Ninja DCT400 is a great 10-in-1 oven that sits right on your counter. I bought this model first because I loved the idea of baking and roasting at the exact same time. It has a smart top door that lets you peek at quick snacks. It holds a ton of food without taking up my entire kitchen.
Pros and Cons
Here are the main good and bad things I noticed right away. I made a simple chart to show you what I mean.
| Pros | Cons |
| Cooks two meals at once | Takes up deep counter space |
| Keeps food smells apart | Ten functions, not twelve |
| Gets hot very fast | The outside can get a bit warm |
My Thoughts After Two Months
Using this oven for two months totally changed how I make dinner. One rainy Tuesday, I made spicy wings on the bottom and sweet cookies on top. I thought the cookies would taste like garlic, but they did not.

I loved how the smart finish let both parts end at the exact same time. The only small letdown was wishing I had a few more cooking modes. Still, it made my daily cooking tasks super fast and fun.
Recommendation
This model is perfect for folks who just want the basic baking, air frying, and roasting tools to save time. It is not a good fit for home chefs who want fancy extra modes like slow cooking or dehydrating.
Ninja Dct401 Review
After trying the first model, I moved on to the Ninja DCT401. This one is the 12-in-1 version with a few more bells and whistles. It looks almost the exact same on the outside as the first one. But inside, it gives you two extra ways to cook your food. It felt like a smart step up for my busy meal prep days.

Pros and Cons
Let us look at what makes this upgraded model shine and where it falls short.
| Pros | Cons |
| Twelve cooking modes | Still quite large and heavy |
| Has a nice dehydrate feature | Trays need a lot of scrubbing |
| Smart finish works perfectly | Costs a bit more money |
Real Use After A Couple Of Months
I spent a couple of months using this 12-in-1 model almost every single day. I used the dehydrate mode to make beef jerky, and my kids went crazy for it. I found the extra modes gave me more fun ways to be creative.

The top rapid oven is a total lifesaver for making quick toast in the early morning. I did notice that keeping both sections perfectly clean takes some hard work. Even so, the sheer speed of making big meals is totally worth the cleanup effort.
Recommendation
The DCT401 is perfect for someone who cooks a ton and loves using every single kitchen gadget setting. It is not good for folks with very small counters or those who only cook simple, single meals.
Detail Comparison for Ninja Dct400 Vs Dct401
Putting the Ninja Dct400 Vs Dct401 side by side shows how alike they truly are. They share the same big size, smart door, and neat flavor seal. The real fight comes down to the very small details. Let us break down five key areas to see the winner.
Capacity & Size: Ninja Dct400 Vs Dct401
Both of these ovens take up the exact same amount of room. You can fit a whole pizza and a pile of wings in both models. They are large, heavy, and need deep counter space.
| Feature | Ninja DCT400 | Ninja DCT401 |
| Dimensions | 18.6″ D x 16.39″ W | 18.6″ D x 16.39″ W |
| Weight | 31 lbs | 31 lbs |
| Food Fit | 12″ pizza + 6 lbs wings | 12″ pizza + 6 lbs wings |
Rating: Ninja DCT400: 9/10 | Ninja DCT401: 9/10

Cooking Performance: Ninja Dct400 Vs Dct401
Both ovens cook food super fast and very even. The smart flavor seal works great on both to keep smells apart. The main shift is simply the number of ways you can cook.
| Feature | Ninja DCT400 | Ninja DCT401 |
| Total Functions | 10 modes | 12 modes |
| Air Fry Option | Yes | Yes |
| Dehydrate Option | No | Yes |
Rating: Ninja DCT400: 8/10 | Ninja DCT401: 10/10
Ease of Use: Ninja Dct400 Vs Dct401
These ovens are both very simple to use once you learn the buttons. The smart finish mode takes the math out of timing your meals. Just press the buttons, and both meals finish right on time.
| Feature | Ninja DCT400 | Ninja DCT401 |
| Smart Finish | Included | Included |
| Flex Door | Included | Included |
| Display | Easy to read | Easy to read |
Rating: Ninja DCT400: 9/10 | Ninja DCT401: 9/10

Cleaning & Maintenance: Ninja Dct400 Vs Dct401
Keeping these ovens clean is not the most fun job in the world. Since they are big and have two parts, you have double the wipe down. You also have to move the crumb tray between the top and bottom.
| Feature | Ninja DCT400 | Ninja DCT401 |
| Trays Included | 2 pans, 2 racks | 2 pans, 2 racks |
| Crumb Tray | Yes, must move it | Yes, must move it |
| Wipe Down | Takes time | Takes time |
Rating: Ninja DCT400: 7/10 | Ninja DCT401: 7/10
Cooking Speed: Ninja Dct400 Vs Dct401
You will spend way less time cooking with either of these items. They heat up much faster than a huge wall oven. Getting hot dinner on the table is super fast no matter which one you pick.
| Feature | Ninja DCT400 | Ninja DCT401 |
| Preheat Time | Very fast | Very fast |
| Cook Time | Up to 65% faster | Up to 65% faster |
| Dual Cooking | Cuts wait times | Cuts wait times |
Rating: Ninja DCT400: 10/10 | Ninja DCT401: 10/10
Conclusion
Both of these ovens will change how you make food every single day. Choosing between the Ninja Dct400 Vs Dct401 really just depends on if you want those two extra cooking modes. You will save tons of time and stress with either great choice.