Comment by hacker161
3 days ago
Considering it happens across both opencode and other apps like Claude and Codex as well as across models it seems like something inherent to the models themselves and not necessarily a bug in the apps wrapping them. But maybe there’s more opencode et. al could be doing to prevent it.
The harnesses are the part of the stack responsible for tools, so it would be a bug there, not the model. The model itself isn’t doing anything but generating tokens. The harness gives it a blob of text telling it which tools exist, and the model may choose to tell the harness to call one.