Everything about the Gripen flows from a single constraint: Sweden had to defend a large country on a modest budget, against a superpower next door. The answer was not a bigger jet but a smarter system — a light, single-engine fighter that could scatter away from vulnerable airbases onto forest road strips, be serviced by conscripts rather than armies of specialists, and share a networked picture of the battlefield across a whole formation.

That relentless focus on affordability and survivability is why the Gripen keeps beating or shadowing far more expensive rivals into service. It has never been the flashiest export on the market, but for nations that value low running costs, easy dispersal and genuine multirole flexibility over raw payload, the little Swedish fighter is a deliberate, and increasingly popular, trade-off.

A stable aircraft resists changes in attitude; an unstable one wants to depart, but responds to the controls far more quickly. The Gripen is deliberately built unstable in pitch, with its foreplanes and delta wing working together, and a triplex fly-by-wire computer making tiny corrections dozens of times a second to keep it pointed where the pilot wants. The payoff is a jet that changes direction with startling speed for its size. On touchdown the same canards deflect to act as aerodynamic brakes, killing speed so effectively that the Gripen needs neither a long runway nor a drag chute — exactly what a road-strip fighter requires.

Low cost was designed in, not discovered later. One engine instead of two halves the powerplant maintenance burden; a light airframe burns less fuel; and Saab engineered the jet so a small mixed crew of conscripts and technicians can service it in the field with minimal specialist support. An IHS Jane’s study famously pegged the Gripen’s cost per flight hour at roughly $4,700 — against far higher figures for the F-16, Rafale, Typhoon and F-35. Treat that number as indicative rather than current-year, but the direction is not in doubt: the Gripen is the budget champion of the modern fighter world.

The Gripen’s headline appeal is money. Its cost per flight hour — famously around $4,700 in a 2012 IHS Jane’s study — is the lowest of the modern Western fighters, well below the F-16, Rafale, Typhoon and F-35. Treat the exact figure as indicative and dated rather than current-year, because operating costs shift with fuel, usage and accounting method. Unit purchase price varies widely too: a Gripen C sits at the lower end of the $30–85 million range while a fully-equipped Gripen E climbs toward the top. The consistent story across every source is relative: whatever the precise numbers, the Gripen is the affordable option in its class.