Carter is considered by many to be the greatest president ever. Besides the numerous accomplishments listed https://www.theguardian.com/commentisfree/2024/dec/30/jimmy-... I give him credit for two of Reagan's greatest legacies -- deregulation and beating inflation.
Carter deregulated government far more than Reagan did, and he was the one that appointed Volcker and took the political hit for the pain Volcker caused in taming inflation.
https://news.ycombinator.com/item?id=43871492 (elaborates on my two points)