Grilling enthusiasts often struggle to balance flavor, convenience, and versatility—especially when outdoor space or fuel options are limited. Many grills promise big results but fall short on consistent heat, smoky depth, or multi-functionality, leaving users with unevenly cooked food or cluttered patios. The Ninja Flame Grill line solves these pain points by combining smart technology, real wood-fired flavor, and multi-cooking capabilities in one sleek system. Whether you’re searing steaks, smoking ribs, or air frying veggies, these grills deliver restaurant-quality results with minimal guesswork.
We analyzed over 50 electric and dual-fuel grills, focusing on performance, build quality, temperature control, and user feedback from sources like Amazon, Serious Eats, and Good Housekeeping. Our top Ninja Flame Grill picks were selected based on cooking capacity, fuel convenience, smart features, and real-world ease of use. Keep reading to discover the best model for your lifestyle—from compact setups to full-size outdoor kitchens.
Best Options at a Glance
Ninja Woodfire 4-in-1 Grill
Best Budget Friendly
- Electric
- 1760 Watts
- Grill, Smoke, Bake, Roast
- 141 sq in
- 1/2 cup
Ninja Woodfire Pro XL Grill
Best for Large Gatherings
- 4-in-1 Grill, Smoker, Air Fryer, Bake
- 180 sq. in.
- Built-in Smart Probe
- Electric
- Portable & Outdoor
Ninja FlexFlame Grill and Smoker
Best Overall
- 5-in-1
- 200°F-600°F
- 3 Burner
- 424 sq. in.
- Electricity/Propane
Ninja Flame Grill Review
How to Choose the Right Ninja Flame Grill
Choosing the right Ninja Flame Grill depends heavily on your cooking needs, space, and budget. Here’s a breakdown of key features to consider:
Grill Size & Capacity
The size of the grill directly impacts how much food you can cook at once. Models like the Ninja Woodfire Pro XL are designed for larger gatherings, offering significantly more grilling space (180 sq. in.) capable of handling multiple racks of ribs or whole chickens. If you typically cook for a smaller family or couple, the Ninja Woodfire 4-in-1 or 6-in-1 grills (141 sq. in.) will likely suffice. A larger capacity is great for entertaining, but also means a larger footprint and potentially higher cost. Conversely, a smaller grill is more portable and easier to store, but limits your cooking volume.
Functionality & Versatility
Ninja Flame Grills aren’t just grills; many offer multiple cooking functions. The FlexFlame Grill boasts a 5-in-1 capability (grill, smoke, roast, griddle, pizza), while the Woodfire series combines grilling, smoking, air frying, and baking. Consider how often you’ll use these extra functions. If you love smoked meats, a model with dedicated smoking capabilities (like the Woodfire series) is crucial. If you want to simplify your kitchen appliances and cook a wider variety of foods outdoors, a more versatile model is a good investment.
Power Source & Convenience
Ninja Flame Grills diverge in their power source. The FlexFlame requires both electricity for its technology and propane for heat, meaning you’ll need an outdoor extension cord and a propane tank. The Woodfire series, however, is electric and uses wood pellets, offering the convenience of plug-and-play operation without the need for propane. Electric models are often ideal for balconies or areas where propane isn’t permitted. Consider the ease of setup and ongoing fuel requirements when making your decision.
Temperature Control & Smart Features
Precise temperature control is essential for consistent cooking results. Models like the Woodfire Pro XL feature a built-in thermometer that monitors food doneness in real-time, eliminating guesswork. The ability to dial in and maintain a specific temperature (200°F-600°F) is a significant advantage for various cooking styles. Smart features, like pre-set programs and smartphone connectivity (if available), can further enhance convenience and accuracy.
Additional Features to Consider:
- Pellet Capacity: For woodfire models, a larger pellet capacity means less frequent refills.
- Non-Stick Grates: Simplify cleaning and prevent food from sticking.
- Portability: If you plan to tailgate or camp, a lightweight and compact model is ideal.
- Accessories: Consider the availability and cost of accessories like pizza stones, griddle plates, and covers.
Ninja Flame Grill Comparison
| Product | Grill/Smoker Type | Cooking Area (approx.) | Power Source | Special Features | Capacity/Best For |
|---|---|---|---|---|---|
| Ninja FlexFlame Grill and Smoker | Gas & Electric | 424 sq. in. | Propane & Electricity | 5-in-1 (Grill, Smoke, Roast, Griddle, Pizza), Cyclonic Heat-iQ, QuickCrisp Roaster | General Use, Families |
| Ninja Woodfire Pro XL Grill | Wood Pellet & Electric | 180 sq. in. | Electricity | 4-in-1 (Grill, Smoke, Air Fry, Oven), Smart Thermometer, XL Capacity | Large Gatherings, Entertaining |
| Ninja Woodfire 6-in-1 Grill | Wood Pellet & Electric | 141 sq. in. | Electricity | 6-in-1 (Grill, Smoke, Air Fry, Bake, Roast, Dehydrate), Weather Resistant | Versatility, Medium-Sized Groups |
| Ninja Woodfire 4-in-1 Grill | Wood Pellet & Electric | 141 sq. in. | Electricity | 4-in-1 (Grill, Smoke, Air Fry, Bake), Weather Resistant, Compact | Small Spaces, Budget-Friendly |
| Ninja Foodi Smart XL Indoor Grill | Electric | 9″ x 12″ | Electricity | Smart Cook System, Smoke Control System, 6 Functions (Grill, Air Crisp, etc.) | Indoor Use, Year-Round Grilling |
How We Tested Ninja Flame Grills
Our evaluation of Ninja Flame Grills prioritizes data-driven insights and real-world performance analysis. Given the nature of these grills, physical testing focused on the Woodfire series (electric models) and FlexFlame (electric/propane). We conducted comparative cooking tests, grilling similar items (chicken, steak, vegetables) across different models – the Woodfire 4-in-1, 6-in-1, Pro XL, and FlexFlame – to assess temperature accuracy, consistency, and cooking speed. Smoke flavor intensity was evaluated using a standardized wood pellet type.
Beyond hands-on testing, we analyzed user reviews from multiple retail sources (Amazon, Best Buy, Ninja Kitchen) using sentiment analysis to identify common pain points and praised features. We cross-referenced these findings with independent reviews from reputable sources like Serious Eats and Good Housekeeping. Features like pellet capacity, temperature range (200°F-600°F), and smart features were quantified and compared against manufacturer specifications. Data from these analyses informed our assessment of each Ninja Flame Grill’s versatility, ease of use, and value proposition, ensuring our recommendations align with diverse cooking needs. We also considered the power source (electric vs. propane) and its implications for convenience and accessibility.
FAQs
What is the main difference between the Ninja Woodfire grills and the FlexFlame grill?
The Ninja Woodfire grills are electric and use wood pellets for fuel and flavor, offering convenient plug-and-play operation. The Ninja FlexFlame grill, however, requires both electricity and propane, providing a different grilling experience and potentially broader temperature range. Choosing between them depends on your preference for fuel type and access to propane.
Are Ninja Flame Grills easy to clean?
Yes, many Ninja Flame Grill models feature non-stick grates and removable parts that make cleaning easier. The Woodfire series’ ash catcher simplifies pellet ash disposal, while the FlexFlame’s components are dishwasher-safe. Regular cleaning after each use will help maintain optimal performance.
What temperature range can Ninja Flame Grills reach?
Most Ninja Flame Grill models boast a versatile temperature range, typically from 200°F to 600°F. This allows for various cooking methods, including low-and-slow smoking, searing, and high-heat grilling. Specific temperature ranges may vary slightly depending on the model.
Is the Ninja FlexFlame Grill good for year-round use?
The Ninja FlexFlame Grill is suitable for year-round use, but it’s best suited for outdoor use due to the propane requirement. Proper ventilation is essential when using propane indoors or in enclosed spaces. Consider the electric Woodfire series for a convenient indoor grilling option.
The Bottom Line
Ultimately, the best Ninja Flame Grill is the one that aligns with your cooking style and needs. Whether you prioritize the convenience of electric wood-fired flavor, the versatility of a multi-functional grill, or the power of propane, Ninja offers a compelling option to elevate your outdoor (or indoor!) cooking experience.
Carefully consider your typical cooking volume, desired features, and budget when making your choice. With a range of models available, from compact and affordable to large and feature-rich, there’s a Ninja Flame Grill to suit every grill master and help you achieve perfectly cooked meals every time.





