So who actually won? On the surface, the United States: Khrushchev withdrew the missiles, Kennedy secured a public no-invasion pledge for Cuba, and the Jupiter IRBMs in Turkey were quietly pulled out as a face-saving concession. Look closer, however — the Soviets kept the no-invasion guarantee — the very thing they had deployed the missiles to obtain — and the right to ship conventional military equipment to Cuba. Most historians, working from the Soviet archives released in the 1990s, now read the outcome as a rough strategic draw.
The verdict depends on the question. See the Cuban Missile Crisis for the full sequence.
The U.S. achieved the principal announced objective: the removal of Soviet offensive nuclear weapons that would have given Moscow a first-strike capability against the continental U.S. Domestically, Kennedy’s approval rating rose from 66 percent in mid-October to 74 percent in early November 1962, the highest of his presidency. The Joint Chiefs and the air-power advocates were sidelined. The lesson that ExComm drew was that measured response, intelligence-based diplomacy, willingness to accept a partial deal had prevented both surrender and war. The American case was weakened by the Jupiter trade, which became public in the 1970s, and by the fact that tactical nuclear warheads were already in Cuba — a danger the administration did not learn of until after the crisis.
Khrushchev’s original political objective — the security of Cuba against American invasion — was achieved. The no-invasion pledge survives in U.S. declaratory policy in modified form, and the U.S. has never invaded Cuba. The Jupiter trade, even if quiet, was a strategic gain. Khrushchev’s domestic position was weakened by the perceived climb-down; he was forced into retirement in October 1964.
The mainstream verdict, supported by the declassified Soviet documents of the 1990s and Serhii Plokhy’s Nuclear Folly (2021): the U.S. won the immediate contest, the USSR achieved its political objective, and both sides recognized that nuclear war would have been an unmitigated disaster.