| Type | AI character chat platform | AI-powered life-sim RPG sandbox |
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| Core experience | Chat with characters built around a persona | Playable characters you control and roleplay with in a town |
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| Character creation | Text definition and an avatar image | From a sketch or photo; restyle anytime with a prompt |
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| Visuals | Chat interface with no visual art; you can upload a character avatar, but it stays a static picture | Interactive pixel characters that closely match the original image, in pixel towns you can see and walk around |
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| World building | Setting lives in the character description | Design your town and buildings in any theme, and craft any furniture from your imagination |
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| Character autonomy | Characters reply when you message | Daily routines; characters meet and explore on their own |
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| Ways to roleplay | Text chat, group chats, and voice calls | Play as your character, talk to any NPC, give gifts, set up connections, and build relationships with NPCs |
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| Conversations | Free tier has full-screen ads and daily caps on regenerating replies | Branching choices; open-ended chat with any NPC |
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| Memory | Pinned and chat memories; long chats can lose details | Remembers within your lore and story arcs; NPCs react as who you wrote them to be |
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| Sharing | Publish characters to the community | Publish your town; visit others through Explore |
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| Platforms | Web, iOS, Android | iOS, Android |
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| Price | Free with ads; c.ai+ at $9.99/month | Free; optional subscription from $9.99/month |
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