Here is a counterexample to whatever counterexample you have in mind -
Most popular models on OpenRouter right now: https://openrouter.ai/models?categories=programming&order=mo...
Top 7 are all open models.
Most popular models on OpenRouter right now: https://openrouter.ai/models?categories=programming&order=mo...
Top 7 are all open models.
Going to have to say citation needed on this, if you're suggesting most enterprises have infra-as-code that would allow them to switch their entire infra between vendors within a month.
If you are ALSO routing to open-weights models on OpenRouter, then sure. But what we've come back to is that almost everyone using OpenRouter is someone who wants to use open-weights models, and some of them also want to use closed models, so of course open models take all the top spots.