Thanks for bringing llmprices.dev to my attention. I have also a comparison page for models hosted on OpenRouter (https://minthemiddle.github.io/openrouter-model-comparison/), I do comparison via regex (so "claude-3-haiku(?!:beta)|flash" will show you haiku, but not haiku-beta vs flash.

I wish that OpenRouter would also expose the amount of output tokens via API as this is also an important criteria.