Verdict
Head-to-head · Best Flat Top Griddles

Blackstone Omnivore 28-inch vs Weber Slate 36" Rust-Resistant Griddle

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Weber Slate 36" Rust-Resistant Griddle comes out ahead by a clear margin (4.8 vs 4.3). The gap is mostly about Users prioritizing long-term durability and reduced maintenance on their cooking surface — read the strengths below before deciding.

Blackstone Omnivore 28-inch
Ranked #5 in Best Flat Top Griddles
Blackstone Omnivore 28-inch
3 sourcesall derived$399as of Oct 2

Revsmarts found that the Blackstone Omnivore 28-inch offers a solid, heavy-duty build with independent burners that create versatile heat zones for family meals. The unit includes practical features like built-in wind protection and an efficient rear grease management system to streamline outdoor cooking. However, users note that the carbon steel surface demands consistent seasoning and maintenance to avoid rust, and it may struggle to maintain high searing temperatures when heavily loaded. This griddle is best suited for cooks who enjoy diner-style breakfasts and mixed dishes rather than those seeking a low-maintenance, steakhouse-sear-only experience.

Strengths
  • — Solid frame and heavy-duty steel cooktop provide a sturdy, planted feel during use.
  • — Two independent burners allow for distinct heat zones to cook different foods simultaneously.
  • — Built-in wind protection helps maintain consistent heat performance on breezy days.
Watch-outs
  • — Requires regular seasoning and oiling of the carbon steel surface to prevent rust.
  • — Surface cools down faster than expected when adding large amounts of food at once.
Weber Slate 36" Rust-Resistant Griddle
Higher ratedRanked #1 in Best Flat Top Griddles
Weber Slate 36" Rust-Resistant Griddle
4 sources1 derived

The Weber Slate 36 features a case-hardened carbon steel cooktop that Grillpicker found genuinely resists rust, addressing common durability issues in budget models. It delivers 48,000 BTUs across four independent burners and includes an enclosed cabinet for weather-protected storage. However, the unit costs roughly double comparable mid-range options and requires up to two hours of assembly due to numerous cart panels. Additionally, the built-in digital thermometer reads only one spot and can disagree with infrared measurements by 30-50°F. This griddle fits users prioritizing long-term durability and reduced maintenance, while occasional cooks may prefer cheaper alternatives.

Strengths
  • — Case-hardened carbon steel cooktop is pre-seasoned and marketed as rust-resistant, addressing a common flaw in competitor models.
  • — Built-in digital temperature gauge allows users to monitor cooktop heat without using external tools.
  • — Enclosed cabinet storage keeps propane tanks and grilling accessories protected from weather.
Watch-outs
  • — Premium pricing is approximately double that of comparable mid-range flat-top griddles.
  • — Assembly involves numerous cart panels and screws, commonly taking up to two hours to complete.
  • — Digital thermometer reads only one spot on the cooktop and can disagree with infrared measurements by 30-50°F.

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Blackstone Omnivore 28-inch

This model provides a lighter, more manageable footprint at 73 lbs compared to the heavy Blackstone 36 Air Fryer Combo (over 200 lbs) and Weber Slate 30 Inch Griddle (145 lbs). While it shares carbon steel maintenance requirements with the Traeger Flatrock, its two independent burners offer less total power than the four-burner setups found in the Blackstone 36 Air Fryer Combo or Weber Slate 36" Rust-Resistant Griddle.

Weber Slate 36" Rust-Resistant Griddle

This griddle features a case-hardened carbon steel cooktop that Grillpicker found genuinely resists rust, addressing the maintenance issues common to the Traeger Flatrock and Blackstone Omnivore 28-inch. It provides 48,000 BTUs across four independent burners, offering more power than the Weber Slate 30 Inch Griddle (36,000 BTUs) but less than the Blackstone 36 Air Fryer Combo (60,000 BTUs).

Specs side-by-side

SpecBlackstone Omnivore 28-inchWeber Slate 36" Rust-Resistant Griddle
Surface Material28-inch flat topRust-resistant carbon steel
Burner ConfigurationTwo independent burners4 independent burners
Fuel TypeLiquid propanePropane / Natural Gas
BTU Output24,000 BTUs48,000 BTUs
Cooking Area28 3/4 W x 18 1/4 D756 sq in
Weight73 lbs198 lbs
Dimensions47.25"L x 33.25"W x 23.5"H—
Material—Rust-resistant carbon-steel
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