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Ooni Fyra 12 vs Ooni Karu 12G

Head-to-head comparison to help you decide which pizza oven is right for you.

Ooni Fyra 12

Ooni Fyra 12

$3494.5Pellet950°F

Best for: wood-fire purists who want authentic smoky flavor in the lightest, most portable Ooni

Ooni Karu 12G
Best Budget

Ooni Karu 12G

$3994.7Multi-fuel950°F

Best for: pizza makers who want the flexibility to burn wood, charcoal, or gas

Specifications Compared

SpecOoni Fyra 12Ooni Karu 12G
Cooking Surface13.2" × 13.2" cordierite stone13.2" × 13.2" cordierite stone (15mm thick)
Dimensions28.7" × 15.7" × 27.2" (chimney up)28.3" × 16.5" × 30.3"
Weight22 lbs34.2 lbs
Max Temperature950°F / 500°C950°F / 500°C
Heat-Up Time~15-20 min~15 min (gas), 15-20 min (wood/charcoal)
Fuel TypeHardwood pellets onlyWood, charcoal, or propane (gas burner sold separately, ~$99)
Hopper Capacity~2 lbs of pellets
Key FeaturesGravity-fed pellet hopper, built-in chimneyBorosilicate glass door, built-in thermometer, magnetic door latch
ConstructionPowder-coated carbon steel
BTU15,350 (gas burner)

Pros & Cons

Ooni Fyra 12

What We Love

  • +22 lbs — lightest Ooni and one of the most portable real pizza ovens available
  • +Genuine wood-fired flavor that gas ovens cannot replicate
  • +Gravity-fed hopper is more approachable than traditional log-fire management
  • +950°F max temperature matches gas Ooni ovens on paper
  • +Affordable hardwood pellets are widely available ($15-25 for a 20-lb bag, lasting many sessions)
  • +Simple mechanism with no moving parts — reliable and easy to understand

What Could Be Better

  • No gas option — every session requires building and managing a pellet fire
  • Pellets can bridge in the hopper, requiring manual intervention
  • Wind disrupts chimney draft, causing temperature instability
  • Constant attention needed — not a set-and-forget cooking experience
  • Thinner construction means less heat retention in cold or windy conditions

Ooni Karu 12G

What We Love

  • +True multi-fuel: wood for flavor, gas for convenience — swap in 30 seconds
  • +Glass door with ClearView tech stays soot-free and lets you monitor cooks
  • +Built-in analog thermometer (the Koda 16 doesn't have this)
  • +Genuinely portable at 34 lbs — lightest multi-fuel oven in its class
  • +Powder coating solved the original Karu 12's rust problems
  • +Oversized fuel tray means less frequent wood feeding

What Could Be Better

  • Gas burner costs $99 extra — true multi-fuel cost is ~$498
  • 12-inch max pizza size limits you for larger pies and party cooking
  • Wood-firing has a steep learning curve and demands constant attention
  • Substantial cleanup after wood sessions (soot on everything, ash in fuel tray)
  • Built-in thermometer reads air temp, not stone temp — IR thermometer still recommended

Key Differences

  • Fyra is pellet-only; Karu 12G does wood, charcoal, and gas
  • Fyra's gravity-fed hopper is easier than managing logs
  • Karu 12G has a glass door and built-in thermometer; Fyra has neither
  • Fyra is the lightest Ooni at 22 lbs vs Karu's 34 lbs

Our Verdict

The Fyra is for wood-pellet purists who want authentic flavor with less hassle than logs. The Karu 12G is for people who want the option to switch to gas on lazy days. Multi-fuel flexibility wins for most people.

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Made your choice? Start cooking

Pick a recipe for your new oven — we have 17 tested recipes across 5 pizza styles.