OpenRouter pricing checked 13 Nov 2026: 5.5% Standard and 8% Business credit fees, free model limits, BYOK rules, model list prices, and how to create and cap an API key.
Get a Gemini API key in Google AI Studio step by step: default projects, importing Cloud projects, the new authorization keys, paid tier billing and common errors.
Get a Claude API key (Anthropic API key) in the Claude Console: personal vs service account keys, workspaces, expiry, billing, first request and common errors.
