How much money got spent on sputnik all together?

The total cost of the Soviet Union's Sputnik program, which included the launch of Sputnik 1 and subsequent missions, is estimated to be around $150 million to $200 million in 1950s dollars. When adjusted for inflation, this amount would be significantly higher today, but exact figures can vary due to the complexities of accounting for research, development, and operational costs. The program marked a significant investment in space exploration and technology during the Cold War era.