Been using an open-weight model, Beam. It's free on OpenCode Go RN. I'm not expert on model quality but I'm really impressed by it!
https://reflection.ai/blog/introducing-beam
ReflectionIntroducing Beam: Reflection’s 501B open-weight model — ReflectionMake intelligence open and accessible to all
commit b13b240
on coding task? so far I've seen it's not good for coding task & my experience was same