This quietly just ended the whole debate
Moon dev: "the best at math is also the best at trading, and once you realize why, you can never unsee it" "i'm a die hard claude guy, so watching it get dethroned physically hurt me" "opus 5 versus gpt 5.6, one versus two,
28 Opus 5 subagents on max effort doing coding, research, review, 4M tokens so far, it still hasn't fixed the bug.
In the last days I've been trying different agentic configurations on Claude, I'm even building a multiagent orchestration plugin using Anthropic's stack, which is
Same brief. Same night. Same system prompt.
Left is Opus 5. Right is Fable 5.1. The brief was one line: build a dashboard for these 8 metrics. Four of the metrics are null. Opus drew a wave. Fable drew a sphere. Both left the four missing numbers missing. I ran every brief
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