How much did the sputnik 1 cost?

Sputnik 1, the first artificial satellite, was launched by the Soviet Union in 1957 at a cost estimated to be around $1 million to $2 million. This figure includes the expenses related to its design, construction, and launch. Despite its relatively low cost, Sputnik 1 had a significant impact on space exploration and the geopolitical landscape during the Cold War.