It's true that simply tracking the cumulative growth of models provides raw numbers, but that doesn't automatically mean the data is permitted for daily research or integrated into a compliant dataset.
There's a significant leap between counting available models and having that information meet the mandates for data governance in a research context.
In Canada, any 'research dataset' needs to adhere to strict privacy impact assessments and consent rules, even for anonymized data; for example, if OpenRouter were collecting any user interaction data to inform this, they'd need to confirm compliance with Bill 64 in Quebec.