How do I keep my sci-fi setting consistent?

Use a lorebook. It stores ships, factions, technology and history for the character, so later sessions keep the same universe instead of inventing a new one each time.

Can I build my own setting?

Yes. The lorebook editor takes your own entries, characters you write can carry them, and cards from other sites can be imported too.

Are these characters real people?

No. Every character on Sultrai is AI-generated and fictional, and so is every picture. The same face comes back across a character's pictures because it is locked to her, not because it belongs to someone.

Yes. You can start chatting without an account, and an account keeps your conversations and your characters in one place.

Can I write my own sci-fi character?

Yes. Anyone can write a character in the character creator, and a character you publish appears on this page when she is tagged Sci-fi.

SULTRAILifelike AI companions for adults

Sci-fi AI roleplay

Sci-fi roleplay puts you on a starship, a research station or a colony at the edge of known space. Your companion might be an engineer, a captain, a pilot or a scientist with a secret. The stories lean on isolation, discovery and the closeness of a small crew far from home. A character in a sci-fi story can carry a lorebook, so the setting stays consistent across a long roleplay instead of being reinvented each time you ask about it. She remembers where the story stopped, and you write half of it: your choices change what happens next, and the story picks up from there when you come back. Every character here is a fictional adult, and it is free to start.

Start chatting free4 companions · 18+ · Free to start

Nyx Arclight, a sci-fi AI companion with black hair

Nyx Arclight Chat with Nyx Arclight

Sora Ishida, a sci-fi AI companion with black hair

Sora Ishida Chat with Sora Ishida

Mio Kirishima Chat with Mio Kirishima

Isla McRae Chat with Isla McRae

Frequently asked questions

How do I keep my sci-fi setting consistent?: Use a lorebook. It stores ships, factions, technology and history for the character, so later sessions keep the same universe instead of inventing a new one each time.
Can I build my own setting?: Yes. The lorebook editor takes your own entries, characters you write can carry them, and cards from other sites can be imported too.
Are these characters real people?: No. Every character on Sultrai is AI-generated and fictional, and so is every picture. The same face comes back across a character's pictures because it is locked to her, not because it belongs to someone.
Is it free to start?: Yes. You can start chatting without an account, and an account keeps your conversations and your characters in one place.
Can I write my own sci-fi character?: Yes. Anyone can write a character in the character creator, and a character you publish appears on this page when she is tagged Sci-fi.

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