Best Multi-Fuel (Wood + Gas) Outdoor Pizza Ovens

TL;DR: The BIG Horn Outdoors 12" Multi‑Fuel oven hits 887°F in about 18‑20 minutes, cooks a 12‑inch pizza in 60‑90 seconds, and does it for a budget‑friendly $128.61.

What really stands out is the oven’s ability to reach a max temperature of 887°F while staying compact at 610 mm high, 533 mm long and 356 mm wide. Its 304.8 mm cooking diameter and 304.8 mm × 304.8 mm stone let you bake a 12‑inch pizza in just 60‑90 seconds after an 18‑20 minute preheat.

Compared with the other three models in this roundup, the BIG Horn unit is slightly lighter at 24.91 lb versus Ooni Karu 12’s 26.46 lb, Solo Stove Pi’s 30.5 lb and Ooni Karu 2 Pro’s 33.73 lb. It’s also shorter than Ooni Karu 12’s 770 mm height. While its 887°F ceiling is a few degrees below Ooni Karu 12’s 950°F, the lower price point makes it the most affordable option among the four.

Everyday users praise the rapid heat‑up and the authentic wood‑smoked flavor that comes from the multi‑fuel design (wood, pellet, optional gas or electric). Reviewers also love the fold‑able legs and detachable chimney for easy transport on camping trips. The main complaints focus on the 12‑inch pizza size limit, the need to add pellets during longer sessions, and occasional ash buildup that requires cleaning.

Technical notes include a stainless‑steel body, a stone size that matches the cooking diameter for even heat distribution, and a 2‑year warranty from BIG Horn Outdoors. The oven runs on wood, pellets, gas or electric, giving you plenty of fuel options for backyard or off‑grid cooking.

Best for: Budget-conscious buyers seeking a reliable entry-level option

Avoid if: Reliability and user satisfaction are your top concerns

TL;DR: The Ooni Karu 2 Pro reaches 950°F in 15 minutes, cooks a 16‑inch pizza in 60 seconds, and offers wood, charcoal, or gas fuel plus Bluetooth control, but it carries a premium $849 price tag.

The standout spec is its 950°F maximum temperature, which lets you achieve authentic wood‑fired crusts, and the oven can bake a full‑size pizza in just 60 seconds. It runs on wood, charcoal, or an optional gas attachment, and Bluetooth connectivity lets you monitor temperature from your phone.

At 33.73 lb, the Karu 2 Pro weighs more than the Solo Stove Pi and feels noticeably bulkier than the Ooni Karu 12 and BIG Horn Outdoors models, which weigh around 30 lb or less. Its 952.5 mm height and 406.4 mm cooking diameter also outsize the 304.8 mm diameters of the other three ovens, giving you a larger cooking surface. While the Karu 12 matches its 950°F peak, the Solo Stove Pi tops out at 850°F and the BIG Horn tops out at 887°F, so the Karu 2 Pro holds the highest temperature among the group.

User feedback averages 4.5 stars from 73 reviews, with many owners praising the rapid 15‑minute preheat and the flexibility of swapping fuels. Reviewers also like the Bluetooth feature for hands‑free temperature checks, though several note the $849 price as a significant investment compared with lighter, cheaper alternatives.

Additional technical details include a 137.2 mm internal height and a 432 mm cooking surface width, providing ample room for larger pies while still maintaining the quick 60‑second bake time. The 15‑minute preheat aligns with the fast‑heat expectations of serious pizza enthusiasts.

Best for: Those who’re prioritizing quality and willing to pay for premium performance

Avoid if: You’re looking for advanced features or professional‑grade performance

TL;DR: The Ooni Karu 12 hits 950 °F in 15 minutes, cooks a 12‑inch pizza in 60 seconds, and runs on wood, charcoal or gas for $348.94.

Its standout spec is the 950 °F maximum temperature paired with a 60‑second cooking time, letting you achieve Neapolitan‑style crusts fast. It also offers true multi‑fuel flexibility—use wood, charcoal, or attach a gas burner when you prefer a cleaner flame.

At 26.46 lb (12000 g) the Karu 12 weighs more than the BIG Horn Outdoors 12” Multi‑Fuel, which weighs about 24.91 lb, but weighs noticeably less than the Ooni Karu 2 Pro at roughly 33.73 lb. Its 770 mm height and 800 mm length makes it taller than the BIG Horn’s 610 mm height and 533 mm length, yet shorter than the Karu 2 Pro’s 952.5 mm height. The 304.8 mm cooking diameter matches the BIG Horn’s pizza stone size but is smaller than the Karu 2 Pro’s 406.4 mm, so you’ll be limited to 12‑inch pies.

Reviewers have given the Karu 12 a solid 4.7 / 5 rating across 534 reviews, praising the quick 15‑minute preheat and the ability to reach 950 °F without a propane tank. Professional reviewers point out the high heat and short preheat as key advantages for outdoor pizza making, while users often mention the convenience of swapping between wood and gas depending on the occasion.

Beyond the heat, the oven includes a one‑year manufacturer‑limited warranty and a compact footprint that fits on most patios or decks. The 15‑minute preheat time and 60‑second cooking window make it easy to fit a pizza into a backyard gathering without long waits.

Best for: Budget-conscious buyers seeking a reliable entry-level option

Avoid if: You need advanced features or professional‑grade performance

TL;DR: The Solo Stove Pi delivers 850°F wood‑or propane‑fuel heat in a pre‑assembled, 30.5‑lb stainless‑steel package that’s portable enough for backyard gatherings but sits at a premium price point.

The Pi’s standout spec is its 850°F maximum temperature, which lets you bake crisp pizzas and roast small roasts. Weighing just 30.5 pounds and measuring 686 mm tall by 610 mm square, it balances a compact footprint with a sturdy 304‑grade stainless‑steel build. The oven also lists wood and optional propane as fuel options, giving you the flexibility to choose a traditional smoky flame or a cleaner gas burn.

Compared with its peers, the Pi is lighter than the Ooni Karu 2 Pro (33.73 lb) but heavier than the Ooni Karu 12 (26.46 lb) and the BIG Horn Outdoors 12″ (24.91 lb). Its 850°F ceiling sits below the 950°F max of both Ooni models and the 887°F of the BIG Horn, so it won’t reach the hottest temperatures those ovens claim. Price‑wise, the Pi occupies the premium tier, while the BIG Horn targets a more budget‑friendly segment.

Reviewers appreciate the oven arrives fully assembled and praise the large opening for fitting a range of cookware beyond pizza stones. Professionals note the one‑handed temperature monitoring as a user‑friendly way to keep heat in check. On the downside, some users point out the weight makes frequent relocation less convenient than lighter propane‑only ovens, and a few mention the lack of true dual‑fuel convenience despite the spec listing propane.

Beyond the heat rating, the Pi’s stone can tolerate up to 800°F, allowing you to use a cordierite baking stone without overheating. The compact dimensions mean it fits in most car trunks, and the stainless‑steel exterior offers year‑round, weather‑resistant protection, so you can leave it outdoors without worrying about rust.

Best for: Those who value a sturdy, pre‑assembled wood‑burning pizza oven and are willing to invest in premium performance.

Avoid if: You need the lightest possible gear or a guaranteed propane‑only setup without any wood‑fuel limitations.