Cut vs cut

Filet Mignon vs Ribeye

The short answer

Opposite ends of one trade-off. Filet mignon is the tenderloin — the most tender cut on the animal, and one of the mildest, because a muscle that barely works never develops much fat or flavor. Ribeye is the most heavily marbled common steak: richer, far beefier, with a looser chew. Tenderness or flavor. You cannot buy both.

Filet Mignon

Filet Mignon

The tenderloin steak, cut from the psoas major — a muscle tucked under the spine that does almost no work, which is exactly why it is the most tender beef there is. There are only two tenderloins on a carcass and they are small, which accounts for most of the price. What you are buying is texture; the flavor has to come from somewhere else.

Full Filet Mignon guide →

Ribeye

Ribeye

The rib steak — longissimus, plus the spinalis cap wrapped around its outer edge. The most heavily marbled of the common steaks, and the most forgiving, because rendering fat buffers your timing in a way a lean steak never can. It is a finished dish that wants salt and nothing else.

Full Ribeye guide →

Side by side

Filet Mignon Ribeye
Primal Beef loin — tenderloin Beef rib
Muscle Psoas major Longissimus plus the spinalis cap
Tenderness The most tender cut on the animal Tender, with a fuller chew
Fat Lean, light marbling Rich — the heaviest marbling of the common steaks
Flavor Mild — it takes a sauce well Strong, beefy, rich
Doneness Rare to medium-rare, 125–130°F Medium-rare, 130–135°F
If you overshoot it Goes chalky — there is no fat to hide behind Still good — the fat buys you a minute
Best methods Pan-sear, sous vide Grill, pan-sear, reverse sear
Also sold as Filet, tenderloin, eye fillet; the center roast is chateaubriand Delmonico, scotch fillet, entrecôte; on the bone, cowboy or tomahawk

The verdict

Which one to buy

Filet when texture is the point: a plate someone will cut with a fork, or a steak that exists to carry a sauce. Ribeye when beef flavor is the point and you want the steak to hold the plate on its own. Both are premium, but you are paying for different things — scarcity and tenderness in the filet, marbling in the ribeye — so at the same spend you get noticeably more ribeye. If the steak is the event, buy the ribeye.

This is the clearest trade-off in beef, and pretending otherwise is how people end up disappointed by an
expensive steak.

Tenderness comes from doing nothing

The tenderloin — the psoas major, tucked under the spine — is barely used while the animal is alive. Muscle
that doesn't work stays tender and never develops much fat or flavor. Filet mignon is the steak cut from
it, and it is the most tender beef on the animal by a wide margin.

Flavor comes from fat

The ribeye carries the most intramuscular fat of any common steak, plus the spinalis cap on its outer
edge — the most marbled piece of the whole carcass, and the part people who love ribeye are usually loving.
It is not as tender as filet. It doesn't need to be.

They meet on the same bone

A T-bone or porterhouse is these two steaks either side of one vertebra: strip on the large side,
tenderloin on the small. That is also the trap — the two sides want different temperatures, so one is
always slightly wrong. Buying them separately is how you cook each properly.

Cooking each

Filet: pan-sear or sous vide, pull at 125–130°F, rest. Nothing will save you from an overshoot, so use a
thermometer.

Ribeye: grill or sear hard, pull at 130–135°F, rest five minutes. The fat gives you slack.

Common questions

Why is filet so mild if it costs so much?

Flavor in beef comes largely from fat and from muscles that work. The tenderloin does neither. You are paying for texture and for scarcity — two small muscles per animal — which is a legitimate thing to pay for. It just isn't flavor.

Which is easier to cook?

Ribeye, by some distance. Filet goes from medium-rare to medium in about a minute and has no fat to disguise the mistake. If you own a sous vide circulator, filet is exactly what it is for.

What about a filet with a sauce versus a plain ribeye?

That is the honest comparison, and it is close. Filet is a platform — au poivre, béarnaise, a red wine reduction. Ribeye is already finished. If you enjoy cooking a sauce, the filet gives you something to do; if you don't, the ribeye gives you a better dinner for less effort.

Why is filet always wrapped in bacon?

Because it has almost no fat of its own. The bacon is a fix for a known shortcoming, not a flourish — it adds fat and salt at the surface and keeps the outside from drying while the middle comes up. It works. Bacon on a ribeye is a waste of bacon.