Your idea · Your choices · A complete story
Sci Fi Story Generator
Explore one scientific or technological what-if through the people who must live with it. Sci-fi is preselected. Describe an invention, discovery or future rule, then give a character a personal reason to care. Choose the length, audience and tone before turning that premise into a complete story.
How to Use the Sci Fi Story Generator
Give the story a direction
Write who the story follows, what they want and what stands in their way. The example button fills the idea box with a starting prompt you can change. Replace its names, setting or goal with your own details; generation begins only when you press Write my story.
Choose the reading experience
This page starts with Sci-fi, Exciting and Teens selected. Change any of these before writing. Short targets about 400–600 words, Medium about 800–1,200, and Long about 1,800–2,500. These are generation targets rather than exact word counts. The quote below the form shows the free allowance or credits needed.
Read and shape the result
Review the finished text in the story reader. Copy or download it, or sign in to continue or rewrite with a specific direction. Illustrating the text and making a video are separate actions with their own credit costs. You can work on an existing draft with our story writer.
Give Your Story a Stronger Shape
A useful science-fiction premise changes a human decision. A message can travel backward only twelve seconds, a colony votes on which memories to preserve, or a machine translates emotions but not words. Explain the rule and one limit. Then put the character in a situation where using the technology has a cost. Avoid adding a new device every time the plot becomes difficult. Consistent rules make an unfamiliar future easier to understand and give the ending more weight.
Prompts You Can Adapt
These are writing prompts, not previews of a promised result. Change one constraint at a time to see how the direction of the story changes.
- A repair engineer on Europa discovers that the station's warning system receives signals twelve seconds from the future. She can prevent each small accident, but every correction changes the final warning. Build the story around one clear rule and a difficult choice.
- A city rents out sunlight by the minute. A rooftop gardener finds a way to store it, then must decide who gets the first winter harvest.
- An exploration ship meets a species that communicates through memories. Its youngest translator must explain a promise without revealing a dangerous secret.
What to Check in the Draft
Check the timeline, the limits of the invention and the character's understanding of it. Ask Rewrite to clarify confusing terms or plant an earlier clue for the ending. Scientific details in generated fiction can be inaccurate; verify them separately if realism matters to your project.
For a different starting point, try the short story generator.
Frequently Asked Questions
Can I choose hard sci-fi, space travel or a near-future setting?
Describe the setting and realism level in the idea box. You can ask for a space-station puzzle, first contact, a near-future social change or a time-loop story. The tool writes fiction and does not verify scientific claims, so review technical details yourself.
Can I try this story generator for free?
Short and Medium generation can use your available daily free stories. The form shows the current allowance or credit price before you submit. Long requires sign-in and uses credits. Continue, Rewrite, illustrations and video are separate actions; see pricing for the current plans and allowances.
Can I change the story after it is generated?
Yes. Copy or download the text, or sign in and choose Rewrite or Continue in the reader. Rewrite takes a note about what to change and creates a new version. Continue adds the next part while keeping the earlier text. Review AI output before using it for a reader, a class or a publication.
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Start With One Clear Idea
Choose your settings, adapt a sample prompt and write a draft you can develop further.