The verdict
RisuAI (GitHub: kwaroran/Risuai) is a free, open-source roleplay frontend built with Svelte 5, TypeScript, Tauri v2.5 for desktop, and WebGPU for local inference — a notably modern stack for an open tool. API breadth is its widest claim: OpenAI, Anthropic Claude, Google Gemini, DeepInfra, Oobabooga, OpenRouter, and more, plus custom endpoints. OS coverage is broader than most reviews note: Windows, MacOS, Linux, Android, and Web — the Android build is confirmed on the live site's download page. Features that separate it from SillyTavern: Emotion Images (automatically swaps the character's portrait based on the AI's detected expression — rare in free tools), an automatic Translator so you can roleplay in your native language while the AI answers in another, and Regex Script (modify model output with regex to build custom GUI elements inside chat). Long-term memory uses HypaMemoryV2/V3 compression and SupaMemory context management. RisuRealm is the companion community hub for sharing and downloading character cards. Three UI themes: Classic, WaifuLike, WaifuCut. The catch: you supply and pay for every API call — no hosted inference included. New users should visit the Discord (discord.gg/JzP8tB9ZK8) to find free starting points like AI Horde.
Best open frontend for multi-language roleplay and emotion-reactive portraits. Need cloud inference without setup? Backyard AI handles the model for you. For the largest character card library, Chub AI is the source.
Pros
- Emotion Images — portrait swaps with character mood (rare in free tools)
- Auto-translator for cross-language roleplay
- Android + Linux confirmed alongside Web/Windows/Mac
Cons
- No hosted model — you supply and pay for every API
- Regex scripting and plugin setup are power-user territory
- RisuRealm library is smaller than Chub AI
RisuAI FAQ
What is Emotion Images in RisuAI? Emotion Images automatically switches the character portrait displayed in chat based on the AI's detected emotional expression — the character looks happy, sad, or surprised in real time. Rare in free frontends.
Does RisuAI work on Android? Yes — Android is a confirmed platform alongside Windows, MacOS, Linux, and Web. Download from the live site at risuai.net.
What APIs does RisuAI support? OpenAI, Anthropic Claude, Google Gemini, DeepInfra, Oobabooga, OpenRouter, and custom OpenAI-compatible endpoints. New APIs are added via community plugins.
What is RisuRealm? RisuRealm is the community platform for sharing and downloading character cards compatible with RisuAI. Think of it as the RisuAI equivalent of Chub AI, built into the ecosystem.
Is RisuAI uncensored? Freedom depends entirely on the model you connect. With a permissive backend (e.g., local models via Oobabooga or AI Horde) there is no built-in filter. With OpenAI the standard content policy applies.
Scored on the public six-point method, assessed against documented features, pricing and real user reports (plus hands-on use where we have account access) · last updated September 2026.