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Mammouth vs OpenRouter: catalog facts
Mammouth	OpenRouter
Paid Subscriptions start at 10 euros per month.	Paid Pay-as-you-go pricing per model, with no subscriptions.
Web	Web
Many text and image models in one subscription One-click reprompting with a different model	One API for over 500 models Automatic fallback between providers
No free tier mentioned Hosted service that needs an account	Adds a third party between you and the model provider Requires an account and prepaid usage
Web application	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.