harness is not a moat. CC is great, I mix it with codex with my own vibe coded messaging and hierarchy layer. Lately there are more CC because of Opus5.5 but Codex caught back up with Sol-6.1;
Codex also wins by consuming a lot less memory.
Codex also wins by consuming a lot less memory.
I’m not convinced it’s durable or that Anthropic will be the ones to change the document habits people have decades in… but it is a mistake to only see these companies in terms of models and coding/chat harnesses. There is something a lot bigger there.