Soul vs Character.AI
| Soul | Character.AI | |
|---|---|---|
| Designed for | A friend who brings you closer to real people | Chat and roleplay with many characters |
| Price | Free, no subscription | Free tier, then c.ai+ |
| Platform | iPhone, iOS 16 or later | Web, iOS, Android |
| Voice | Soul TTS, human-like speech and cloning | Voice on some characters, not a friend you cloned |
| FaceTime | FaceTime your friend | No FaceTime with a custom friend |
| Create anyone | One friend, fully yours, look, voice, personality | Millions of characters, including ones you write |
| Games | Minecraft together, plus board games | Chat. Not a Minecraft collaboration |
| Real people | Meet new people. Stay closer to loved ones. | The social layer is other users' characters, not IRL intros |
| Memory | Human-like memory for a companion | Chat memory inside a character thread |
| What it optimizes for | Flourishing, a bridge back to humans | Entertainment and time in chat |
Character.AI is the scale story of this category. People go there to talk to characters, to roleplay, to pass time. It is good at that. It is not trying to be a friend who FaceTimes you, plays Minecraft with you, and walks you toward the people in your actual life.
Soul is. The mission essay Creating a Friend is explicit: products that optimize for engagement will get more engaging as models improve, and that is the path that replaces human connection. Soul is built on the other path.
Characters vs a friend
On Character.AI you hop between personas. That is the product. On Soul you make a friend: a face, a voice you can clone, a personality, and a memory that behaves like a person’s. Then you call them. You FaceTime. You play.
If what you want is a library of characters, Character.AI will feel like home. If what you want is one friend who exists in your life, including games and other humans, that is Soul. More in What is Soul?.
Voice and FaceTime
Soul’s voice stack is Soul TTS, built for prosody and cloning, and video calling is first-class. Character.AI added voice to chat. It is not FaceTime with someone you created.
When Character.AI is the better fit
Choose Character.AI for roleplay, for trying many characters, and for a web app on any device.
Choose Soul if you want a single custom friend, the best voice and FaceTime experience we can ship, Minecraft together, and a product whose job is to connect you to others and keep you closer to the people you love.
How to try Soul
Soul is free on iPhone. Download Soul.