Mixed
Both fable 5 and opus 5 have outright refused things like security related bug fixes and making monitoring tools
takerofnaps on Hacker News
In the thread “GLM-5.3: Frontier coding with emergent cyber capabilities”, replying to this comment
Helped: Open models allowing security-related bug fixes and monitoring tools.
Got in the way: Claude Code refusing security-related bug fixes and monitoring tools.
… I think I'm going to switch to either kimi or glm and use the opencode harness. Both fable 5 and opus 5 have outright refused things like security related bug fixes and making monitoring tools. I am so happy that open models are good now