For kitchen knives that hold their edge the longest, you want to look at hard Japanese steels (Rockwell hardness of 60+) or ceramic blades. These require much less frequent sharpening than softer, traditional Western blades.
The sharpest kitchen knives are typically Japanese-style blades, which feature thinner, harder steel (typically Rockwell 60-63) allowing for a razor-like edge. Top contenders include the Miyabi Kaizen II for scalpel-like sharpness, and the versatile MAC Professional 8-Inch for the best overall.
Ceramic knives retain their sharpness the longest. Made from zirconium oxide, they stay sharp up to ten times longer than steel, but are brittle and can easily chip if dropped or used on hard items. For a durable blade with incredible edge retention, high-carbon Japanese steel (like SG2 or ZDP-189) is the premier choice.
Neither is definitively better; it comes down to how you cook. Think of German knives as durable pickup trucks and Japanese knives as high-performance sports cars.
Gordon Ramsay primarily relies on high-quality forged German and Japanese steel. His most frequently used and recommended knives include brands like Wüsthof (particularly the Wüsthof Classic 8-Inch Chef's Knife) and Henckels. He has also been known to use Damascus steel blades from Blenheim Forge and HexClad.
Jamie Oliver primarily uses and designs his own line of kitchen knives, created in a long-standing partnership with the cookware brand Tefal. His personal go-to knives feature ice-hardened German stainless steel and include a 20 cm Chef's Knife, a Japanese-style Santoku knife, a Paring knife, and a Utility knife.
What knife does a chef use most? The chef's knife is the most-used knife in both home and professional kitchens. It's an all-purpose kitchen hero that can prep virtually any ingredient and handle most kitchen tasks, making it an essential tool in kitchens across the world.
For most kitchens, you only need three foundational knives to handle 95% of prep work: a Chef's Knife, a Paring Knife, and a Serrated (Bread) Knife. These three powerhouses can tackle anything from dicing onions and slicing crusty bread to peeling fruits and carving small meats.
In the high-end folding knife community, the original "Holy Trinity" refers to three legendary American makers who pioneered the modern premium tactical folder. Together, their designs set the gold standard for durability and precision.
While Henckels and Zwilling are made by the same parent company (Zwilling J.A. Henckels), they cater to different tiers. Zwilling is the premium line featuring forged blades made in Germany or Japan, offering superior edge retention and balance. Henckels (or Henckels International) is the everyday, budget-friendly line featuring primarily stamped blades manufactured in Asia or Spain.
In the sharpening phase, we do not recommend any current WD-40® Brand Products although some may be used later for storage & protection. For sharpening stones the lubrication can come from water or oil.
Rule #1: It is important to use a knife adapted to what you want to do / food you want to prepare. For example, you shouldn't use a bread knife to slice a roast or use the blade of a paring knife and use it as a screwdriver (don't laugh, we've all done it!) Rule #2: Don't drop your knife on the floor.
The sharpest knife in the world is made from obsidian (volcanic glass). Because it fractures at the molecular level, its edge can be as thin as 3 nanometers. This makes it up to 500 times sharper than a standard surgical steel scalpel.
Neither brand is objectively better; both produce excellent, lifetime-quality German steel knives. The best choice simply comes down to your preferred cutting style, handle feel, and sharpening preferences.
There is no single "number one" knife brand, as the title depends entirely on the knife's primary purpose. Leading experts and enthusiasts consistently recognize distinct industry leaders across different categories:
Best Chef Knives Overview
Navy SEALs rely on a few specific standard-issue fixed blades, but they largely carry mission-dependent gear. Standard-issue knives include the Ontario MK3 Mod 0 dive knife and the Cold Steel SRK. For everyday carry and field operations, operators frequently choose rugged folding knives from premium brands.
John Wick famously wields a signature series of high-end, out-the-front (OTF) automatic knives in his movies. The specific knives vary depending on the film, transitioning from production models by Microtech Knives in the first three movies to a highly exclusive custom blade in the fourth.
Truly the leader of the pack, the okapi locking folder (KO9070) is renowned with its crescent moons and three star inlays and ring. The distinct ratcheting sound when opening and closing is as much its trademark as its signature look. So Notorious is this knife, that it has found its way in songs found in reggae music.
The best sharp kitchen knives depend on your grip preference—heavy-duty German blades or nimble, razor-sharp Japanese options. For the ultimate all-rounder, check out the MAC Professional 8-inch Hollow Edge Chef's Knife, which is lightweight and incredibly sharp. Alternatively, for a heavier, premium German workhorse, the Wüsthof Classic 8-Inch Chef's Knife is an industry favorite.
The best Western-style chef's knife is from Wüsthof—it's a powerful and sharp kitchen knife, but still refined. Hot on its heels is the Japanese-style Tojiro blade, which cruised through my chopping tests.
A chef knife that stays sharp the longest features a very hard, high-carbon Japanese steel or powdered steel (typically 60–63 on the Rockwell scale), or a ceramic blade. These blades are brittle and prone to chipping, but they hold a razor-edge far longer than standard German-style knives.
The best German chef knife is the Zwilling Pro 8-inch. It balances traditional robust Solingen forging with a modern, ergonomic curved bolster that naturally supports a professional pinch grip. For a more contoured, ultra-comfortable handle, the Wüsthof Classic Ikon 8-inch is the top alternative.
While budget knives can chip, warp, or rust easily, high-quality knives are designed to endure years of daily use with proper care. Superior materials, full-tang construction, and precise forging methods give expensive knives a longer, more reliable lifespan, making them a smarter investment for serious cooks.