Tibo asked companies why they still use Opus instead of Sol when price is a factor. Rylan Schaeffer replied that Sol 5.6 often runs for days without finishing tasks that Fable then completes. Alex Cohen said his team would switch to ChatGPT if a BAA were offered on Pro plans. Multiple developers noted they choose Fable for its full 1M context window, which they say GPT fails to deliver reliably due to compaction or OAuth limits.