Yes, but there may be other events that are correlated. For example, they changed their fee structure in June. It is possible that users of closed models moved

Yes, but there may be other events that are correlated. For example, they changed their fee structure in June. It is possible that users of closed models moved from OpenRouter to directly using OpenAI/Anthropic/Google (or maybe Amazon Bedrock), while users of open models are happy with OpenRouter as direct providers can sometimes be unstable.