If possible, use zswap. it is more flexible, and effictively functions like swap. reduce swappiness a lot (something like 5 or 10). zram afaik is not flexible, swap is.
https://askubuntu.com/questions/471912/zram-vs-zswap-vs-zcache-ultimate-guide-when-to-use-which-one
this suggests you to have a physical swap too. I for one do not have it. so i have a bit of wierdity, but performs fine imo. maybe give it a try
maybe try to use the newer qwen stuff via their api. they give free tokens of certain amount on signup