I am not talking about GLM models being served through an Anthropic compatible API, that part is perfectly fine and I'm glad they support it!

I am talking about ZCode, the program, being unable to delegate to other harnesses, like using Claude Code (or even OpenCode) within their UI, so that an Anthropic subscription can be used, because Anthropic don't let you use 3rd party harnesses directly.

It's basically what Paseo: https://paseo.sh/ and Kepler https://www.gitkraken.com/kepler and Zed https://zed.dev/ support doing.

ZCode doesn't seem to work at that level, it instead feels comparable to OpenCode or Codex or Claude Code directly, while also being desktop oriented - you just make API calls directly within it.

It's okay if it's not a goal of theirs, it's just that their UI is really really nice and that would be a cool direction for them to also go in some day.