It's literally the same model. I can build more complex stuff in windsurf as the IDE is better than Cline/Roocode integration in vscode. It's still the same model under the hood. Sonnet 202500219

I mean, you pour money down the drain if you think it's helping, have at it :P

It's the same model but not necessarily the same context. Like he said, those tools try to be very 'smart' with context to save costs.

You're not actually getting all the files you add in the context window, you're getting a RAG'd version of it, which is generally much worse if the un-RAG'd code is still within the effective context limit.