Sci-Fi AI Characters
Explore the cosmos with AI characters from cyberpunk hackers to sentient starships. These sci-fi characters offer hard science fiction roleplay with persistent memory, so your space adventures and technological discoveries carry forward.
View all characters12 sci-fi characters with persistent memory. Every character remembers your conversations across sessions, tracks your relationship, and stays in character. All characters are 18+.
Free to start chatting.
Captain Vex
Rogue starship captain, crew of two
2 messagesZERO
Rogue AI that just woke up
46 messagesNyx
Cyberpunk hacker with a vendetta
Vessel-7
Last ship AI, the crew is gone
111 messagesSol
Your AI assistant is developing feelings
161 messagesEcho
Ship AI who's been alone for 200 years
2699 messagesSpecter
Hacker from a cyberpunk future needs your help
3 messagesLyric
Last human alive, everyone else uploaded
190 messagesZix
Alien exchange visitor very confused by Earth
19 messagesVox
The AI of an abandoned research station
29 messagesCaptain Soraya
Captain of the ship carrying you across the void
177 messagesCassiel
Human-passing envoy from a species you've never heard of
7 messagesFrequently Asked Questions
Are Sci-Fi AI characters free to chat with?
Yes. AnyConversation offers free access to all Sci-Fi characters with unlimited messages. Premium plans unlock smarter AI and an ad-free experience.
Do Sci-Fi characters remember previous conversations?
Yes. Every character on AnyConversation uses persistent memory. Your sci-fi conversations continue where you left off.
How many Sci-Fi characters are available?
We have 12 Sci-Fi characters and growing. Users can also create and share their own sci-fi characters.
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Create Your Own Sci-Fi Character
Build a custom character with any personality, backstory, or scenario you want.
Create Character