Only if you have a juvenile concept of political Spectrum. That only extends across one dimension. Leninists are barely nominally left-wing. In practice most of them are State capitalist and not at all left wing.

In practice social Democrats and even Democratic socialists tend to be more left-leaning than leninists. And don’t feel a reactionary need to Slaughter or imprison those that disagree with them regularly. I mean if we are going by the providing social benefit to your chosen class of people qualifies a socialism. Then that would make the Nazis socialist. Which they most definitely we’re not.