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RisuAI vs HammerAI: catalog facts
RisuAI	HammerAI
Free Free and open source under the GPL-3.0 licence; model API costs depend on the provider you…	Freemium Chat is free with local and cloud models; paid plans are listed on the pricing page.
Web, Self-hosted	iOS, Web
Works with many model providers, including OpenAI, Claude, Gemini and OpenRouter Group chats, lorebooks and expression images for characters	Local models through Ollama in the desktop app Messages stored only on your computer by default
Aimed at roleplay rather than general productivity chat No tagged releases on GitHub	Focused on roleplay rather than general productivity Desktop platforms supported are not stated on the homepage
Web application, Self-hosted	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 1, 2026

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