There is not a single OpenAI model in the top 10 on openrouter's ranking page. The market is saying something about the comparative value of OpenAI.
Edit: yes, it is true that many people do integrate directly with OpenAI. That doesn't negate the fact that Openrouter users are largely not using OpenAI.
Edit: yes, it is true that many people do integrate directly with OpenAI. That doesn't negate the fact that Openrouter users are largely not using OpenAI.