Where fantasy meets reality
Meet AI companions crafted with cinematic detail. Generate dream portraits, share endless conversations, and explore an infinite gallery of styles.
Meet your AI dream
Each companion is brought to life through state-of-the-art generative portrait tech. Click anyone to start chatting.
An infinite playground
Cinematic Portraits
Hyper-detailed AI faces, fantasy or realistic, in every visual style imaginable.
Endless Style Library
Anime, chibi, fairy, manga, vintage, professional headshots and more, on tap.
Personalised Memory
Your companion remembers names, moods and the little details that matter.
Voice & Image Replies
Soft voice notes, custom selfies and shared moments any time, day or night.
Private & Secure
End-to-end encrypted chats. Discreet billing. Your fantasy stays yours.
One-Tap Restyling
Switch a companion from snowy winter to manga heroine in a single tap.
A peek behind the curtain
From chat flows to AI portrait studios, here is what waits for you on the other side.
Pick your infinity
Start free. Upgrade only when you want unlimited access to every style and companion.
Spark
- Daily portrait credits
- Access to base companions
- Standard chat speed
- Watermarked exports
Infinity
- Unlimited AI portraits
- Every style + companion unlocked
- Priority chat & voice replies
- HD exports, no watermark
Eternal
- Everything in Infinity
- Custom companion designer
- Early access to new styles
- Concierge support
Questions, answered
What exactly is Sinfinity AI?
Sinfinity AI is an AI companion experience powered by next-gen generative portrait technology. Pick a companion, start chatting, and reshape their look with a single tap.
Is it really free to start?
Yes. The Spark tier gives you daily portrait credits and access to base companions forever. Upgrade only if you want unlimited generations and full styles.
Can I customise my companion?
Absolutely. Hair colour, mood, outfit, scene, art style, age range. The Eternal tier even lets you build a fully custom companion from scratch.
Does my companion remember our conversations?
Yes. Sinfinity AI keeps a private memory of names, moods, recurring topics and inside jokes so the bond grows over time.
Are conversations private?
Chats are encrypted in transit and at rest. Your account is anonymous. Billing appears under a discreet descriptor.
Which devices are supported?
Sinfinity AI works in any modern browser, plus dedicated iOS and Android apps. Your account syncs across all of them.
Can I cancel any time?
Yes. Subscriptions cancel from your account in two clicks. No phone calls, no friction, no questions asked.
What if I want a fully custom AI character?
Pick the Eternal tier and use the Companion Designer to define personality, look and tone. Your custom companion is then yours alone.
Your infinity is one click away
Free to start. Endless to explore.
Enter Sinfinity






