This is measuring on scientific tasks though. I haven't used Fable lately but when I was playing with it when it was new its "safety" features made it practically impossible to use for biomedical science -- it once refused to work on a pipeline of mine that was analyzing pathogenicity islands in bacteria (presumably because it had guardrails to that effect to stop potential bioterrorists and the like)
From personal experience, opus 5 feels net inferior to fable on almost every aspect (for coding tasks)
Luna is good enough for me to give a parser spec and have it write one.