The US has literally 0 third party representation at the federal level and 10 state senators all libertarian. Even Bernie isn’t technically a third party he just is no party. So to be clear, having no party is far far better in the US than representing a third party even in a local election.
He still is ahead of Kamala by about 2% or 2.5 million votes. Before he was ahead of Kamala + Claudia + Chase + Cornell + Jill + Vermin Supreme + Elmo.
It’s still a closer gap than he lost to Biden by by a lot. But it is also super clear that Harris managed to do worse in this environment than Hillary did in 2016 back when Trump was an unknown crazy person instead of the well known crazy shill for hire.