Health coverage after losing my job: marketplace or Medicaid? (Buffalo)

I have 3 weeks left on my current insurance and I am comparing options. Thank you in advance. I do not want a gap in coverage. Is there help filling out the forms?

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.

A free navigator at a community health centre walked me through my options. It took an hour and saved me a lot of guessing.