Jetboil Flash Cooking System vs MSR Reactor 1.0L

Weight and specs compared for 2026 — and which one to choose.

Jetboil Flash Cooking System is the lighter option — 26 g lighter than the MSR Reactor 1.0L (7% less weight). If grams matter to you, that is the one to beat.

Spec	Jetboil Flash Cooking System	MSR Reactor 1.0L
Weight	371 g · 0.371 kg · 0.82 lb	397 g · 0.397 kg · 0.88 lb
Brand	Jetboil	MSR
Category	Cooking	Cooking

Jetboil Flash Cooking System

371 g

Integrated cooking system with 1L FluxRing pot for 2-minute boils. Includes measuring cup, tripod, stow-and-go lid, and insulating cozy.

Check price Full details →

MSR Reactor 1.0L

397 g

High-output all-in-one stove system for harsh conditions.

Full details →

Jetboil Flash Cooking System vs MSR Reactor 1.0L: which should you buy?

If saving weight is your priority, the Jetboil Flash Cooking System wins — at 371 g it is 26 g (7%) lighter than the MSR Reactor 1.0L (397 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest cooking page, or browse the full gear weight database.

More cooking comparisons

Jetboil Flash Cooking System vs Sea to Summit Alpha Light Spork Jetboil Flash Cooking System vs Keith Ti Spork Jetboil Flash Cooking System vs UCO Spork Jetboil Flash Cooking System vs BRS 3000T Ultralight Titanium Stove Jetboil Flash Cooking System vs BRS 3000T Ultra-Light Titanium Stove Jetboil Flash Cooking System vs BRS-3000T Ultra Light Stove