Opencode Zen's "free" Deepseek Flash vs Deepseek's paid Deepseek Flash

Guys I have been been using opencode Zen's "free" Deepseek Flash for a while and was able to build some really cool projects. The context window is ofc 200k in free version so I create .md file for storing context/memory and when the context hits like 50-100k I open new chat and work from the saved .md file so the code doesn't start downgrading. I am also dividing the projects into different phases so deepseek flash form opencode zen doesn't hallucinate due to lower context window. Do you think Deepseek's p