Ducati's return to Grand Prix motorcycle racing came with the formation of MotoGP in 2002, after the class transitioned from two-stroke 500 cc machinery to four-stroke prototypes. The Desmosedici name combines "desmodromic" — the signature valvetrain technology central to Ducati's road-bike identity — with the Italian word for sixteen, reflecting the engine's sixteen desmodromically actuated valves.
The fundamental architecture is a V4 configuration built as two classic V-twin units mounted side by side, with a Twin Pulse firing order that gives the engine its characteristic sound and power delivery character. Design work began in 2001 and the bike was publicly unveiled at the 2002 Italian Grand Prix at Mugello ahead of its race debut the following season.
The original GP3 competed in all rounds of the 2003 season with Loris Capirossi and Troy Bayliss. Capirossi scored the first race win at the Grand Prix of Catalunya, and Ducati finished second in the Manufacturers' standings in only their debut year.
Successive seasons brought progressive refinements. The GP5 benefited from a tyre-development partnership with Bridgestone, unlocking competitiveness that yielded victories for Capirossi at Motegi and Sepang in 2005. The GP6 introduced aerodynamic and fuel-tank revisions alongside a smoother engine delivery, and the GP7 was purpose-built for MotoGP's switch to 800 cc engines from 2007. Casey Stoner rode the GP7 to Ducati's first MotoGP Riders' World Championship title at Motegi in September 2007, aided by the machine's clear top-speed advantage over rival manufacturers.
The GP8 refined the 800 cc platform with suspension geometry changes and mid-range power improvements, recording an official top speed of 343.2 km/h at the 2008 Chinese Grand Prix. The GP9 introduced a carbon fibre chassis — a significant engineering departure from Ducati's traditional steel trellis frames. From the GP10 onwards, a big-bang firing order was reintroduced, trading some outright power for improved rear-tyre management and rideability.
When MotoGP's displacement limit returned to 1000 cc from 2012, the GP12 was the first Desmosedici built to the new regulations, raced by Valentino Rossi and Nicky Hayden. The team's fortunes during Rossi's tenure proved difficult, but a comprehensive technical restructuring under technical director Gigi Dall'Igna — who joined Ducati Corse in 2014 — gradually restored the machine's competitiveness.
The GP16 marked a turning point, with Andrea Iannone taking victory at the Austrian Grand Prix — Ducati's first win at any circuit since Stoner's 2010 Australian Grand Prix triumph, and the first by any manufacturer other than Honda or Yamaha in the intervening period. Andrea Dovizioso won the same race in second place to mark Ducati's first one-two finish since 2007.
The GP23 represents the mature phase of Ducati's second competitive peak in MotoGP. By the early 2020s, Ducati had built what many observers regarded as the strongest machinery on the grid, dominating the constructor and manufacturer standings across multiple seasons. The GP23 continued the aerodynamic sophistication, seamless-shift transmission refinement, and chassis philosophy that had made the Desmosedici the benchmark package heading into the mid-decade.
As a homologation machine under the MotoGP concession system, the GP23 was supplied not only to the factory Ducati team but also to satellite squads, reflecting the manufacturer's position supplying more entries on the grid than any rival.
The Desmosedici programme demonstrated that a specialist motorcycle manufacturer could successfully challenge the dominant Japanese factories in the highest tier of Grand Prix racing. Stoner's 2007 championship was the first won on a non-Japanese machine since before the four-stroke era, and the subsequent years of Ducati competitiveness reshaped the constructor standings of a class previously defined by Honda and Yamaha dominance.
Early in the 2021 season, Ducati rider Johann Zarco set the highest trap-speed record ever recorded in competition practice on the Desmosedici, underlining the machine's continued outright speed as a design constant across the GP lineage.
The road-going Desmosedici RR, a street-legal homologation variant produced in a limited run of 1,500 units and first delivered in 2008, brought the GP engine architecture and design language to public ownership, cementing the racing programme's place in Ducati's commercial and cultural identity.