The Ooni Karu 12 is the most affordable route into genuine wood-fired pizza: a true 500°C bake, real woodsmoke flavour and a compact body that packs away easily. It asks a little more of you than a gas oven, but the payoff is the authentic article. Here is who it is for, and who it is not.
Wood-fired flavour is the one thing gas ovens simply cannot give you, and the Karu 12 is the cheapest way to get it from a properly hot oven. It burns wood and charcoal out of the box, hits the same 500°C as ovens costing far more, and can take an optional gas burner later if you want the best of both. For hands-on cooks who want the real thing without the big spend, it is our best budget pick.
| Model | Price | Fuel | Max temperature | Pizza size | Rating | Link | |
|---|---|---|---|---|---|---|---|
 | ★ Top pick Ooni Karu 12 Multi-Fuel Pizza Oven | £299.00 | Wood, charcoal (gas optional) | ~500°C | Up to 12 inch | ★ 4.4 | View → |
£299.00
Wood, charcoal (gas optional) · ~500°C · Up to 12 inch
The verdict from Tom Bradshaw, pizza oven tester
The best budget route into real wood-fired pizza. The Ooni Karu 12 gives you a genuine 500°C live-fire bake for the least money here, and the wood and charcoal flavour is something the gas-only ovens simply cannot match. It asks a little more of you, you have to feed and manage the fire, but for hands-on cooks who want the authentic article without the big spend, it is hard to beat.
Real woodsmoke and a fierce, uneven flame: the crust comes out with proper char and a campfire aroma.
The Karu 12 is the right oven if you want authentic live-fire pizza and you enjoy the process of building and tending a small fire. The reward is a flavour and a char that gas cannot match, plus the satisfaction of cooking over real wood. It is also the natural choice for anyone on a tighter budget who refuses to compromise on heat: you get the full 500°C bake for the least money in this comparison. The compact 12-inch body suits couples and small households, and it folds down small enough to store and transport easily.
It is less suited to people who want a fuss-free, repeatable result every time. Wood firing has a learning curve, and on a busy evening managing the fire as well as the pizzas is more work than turning a gas dial. If convenience matters more than flavour, the gas Ooni Koda 16 or the mains-powered Ninja Woodfire will suit you better. The Karu 12 rewards involvement; it does not remove it.
The Karu 12 reaches a genuine 500°C, the same temperature as the gas Koda, so the bake itself is every bit as fast and blistered. What sets it apart is the flavour: burning kiln-dried wood or charcoal leaves a real woodsmoke note on the crust that gas ovens cannot reproduce. The flame is fiercer and less even than a gas burner, which is part of the character, you turn the pizza a little more often, but it produces proper char and a campfire aroma that purists prize.
This is the part that takes practice. You light the fire in the rear chamber, let the oven come up to temperature over fifteen minutes or so, then feed it small pieces of fuel to hold the heat. The first couple of pizzas are a learning curve as you get a feel for the fire, but most people find their rhythm quickly. It is more involved than gas, and that involvement is either the appeal or the drawback depending on the kind of cook you are.
The Karu 12 can later accept an optional gas burner that attaches in place of the fuel tray, so you can switch to relaxed gas cooking midweek and a proper wood fire at the weekend. That multi-fuel flexibility is a big part of why it is such good value. The build is typical Ooni: solidly made, light and genuinely portable, with a body that folds down small. It is not as planted or insulated as a premium oven, but at this price it is impressively capable.
The Karu 12's only real drawback is the flip side of its appeal: wood firing takes attention and practice, and the 12-inch chamber rules out full 16-inch pizzas. Neither is a fault, you are buying an authentic, affordable, hands-on oven, but they are worth knowing. If you want the same wood-fired flavour with less work, the gas-and-wood flexibility helps, and if you simply want a bigger pizza with no fire to manage, the Ooni Koda 16 is the easier all-rounder.
It takes a little practice. You light the fire in the rear chamber, let the oven come up to temperature and then feed it small pieces of kiln-dried wood or charcoal to keep the heat steady. The first couple of pizzas are a learning curve, but most people get the hang of it quickly, and the flavour reward is worth the effort.
Yes, with the optional gas burner accessory, which attaches in place of the fuel tray. That lets you use the same oven for a relaxed gas cook midweek and a proper wood-fired session at the weekend, which is a big part of why the Karu 12 is such good value.
Mainly size and fuel. The Karu 12 takes a 12-inch pizza rather than 16, and it comes set up for wood and charcoal rather than with a built-in gas burner. You get the same genuine 500°C bake, just in a smaller, more hands-on package, which is exactly what makes it the budget choice here.
The Karu 12 is our best budget pick because it delivers the one thing money usually buys, genuine wood-fired flavour from a true 500°C oven, for the least outlay here. It rewards cooks who enjoy tending a fire with a char and an aroma that gas cannot touch, and the optional gas burner means you are not locked into the effort every time. If you would rather have convenience over smoke, look at the Ooni Koda 16 for gas or the Ninja Woodfire for value and versatility. To decide which fuel is right for you, read our guide to gas vs wood-fired pizza ovens and our full buying guide.