Last updated 09-03-2026
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Story321 (formerly Story AI)
Writers and creators use Story321 to grow a single idea into an ongoing story project with dedicated tools for drafting, characters, images, video, audio, and 3D assets. You start from a prompt or rough concept, then return to the same writing workspace to revise scenes, track references, and open the right media workflow when the story needs visual or audio support.
Most AI story generators answer one prompt and stop. Story321 keeps your outline, characters, and draft in one project so you can develop chapter by chapter instead of resetting context each session. The site compares this openly to single-session generators and routes image, video, and podcast work through separate workflows rather than promising one-click conversion from text.
Built-in paths cover novel, book, and script writing plus character references, story-to-podcast conversion, and nine text-to-image models such as FLUX.2 flex and Wan 2.5. Fiction writers, series creators, educators, and multimedia storytellers who want structure with room to edit drafts fit the audience Story321 describes on its about page.
Every plan, including Free, can access all AI features; usage is limited only by credits. Paid Starter, Plus, and Pro tiers add private saves, commercial licenses, export formats, and larger monthly credit pools.
Writing workspace saves your prompt across sign-in and supports chapter-by-chapter story development
Nine text-to-image models including GPT Image 2, FLUX.2 flex, Wan 2.5, and Nano Banana Pro
Chapter generation costs 3 credits for three interactions, plus 1 credit per extra interaction
Story-to-podcast conversion bills 6 credits per 1,000 characters with a 6-credit minimum
Plus and Pro plans include PDF and ePub manuscript export plus commercial usage rights
Site localized in 19 languages including French, German, Japanese, Korean, and Arabic
Image generation supports 480p to 1080p outputs with most generations finishing in 10-30 seconds
Free plan includes 10 credits with access to every AI feature and no credit card required.
Project-based writing workspace supports ongoing drafts instead of one-off prompt answers.
Covers writing, characters, images, video, audio, and 3D from linked workflows in one account.
Paid plans include commercial usage rights, private saves, and a 3-day money-back guarantee.
Image and video generation can consume credits quickly compared with text-only drafting.
Free tier stops after 10 one-time credits with no monthly refill.
Enterprise API access requires a separate sales contact rather than self-serve checkout.
Is Story321 free to use?
Story321 offers a Free plan with 10 one-time credits and access to every AI feature until credits run out. You can sign in without a credit card to test writing, image, video, and other tools before upgrading.
What paid plans does Story321 offer?
Story321 sells Starter at $99 per year ($8.25 per month equivalent), Plus at $199 per year ($16.58 per month equivalent), and Pro at $299 per year ($24.92 per month equivalent). All paid plans include a 3-day money-back guarantee.
How do Story321 credits work?
Story321 bills usage in credits. Chapter generation starts at 3 credits for three interactions with +1 per extra interaction, character images cost 11 credits each, and story-to-podcast costs 6 credits per 1,000 characters. Paid plans include 1,000 to 3,600 credits per month depending on tier.
Can I use Story321 output commercially?
Yes. Story321 Starter, Plus, and Pro plans include commercial usage rights, private projects, and no watermark on generated content. The Free plan is intended for evaluation before you upgrade.
What file formats can I export from Story321?
Story321 supports manuscript export to PDF and ePub on paid plans, with Plus and Pro adding additional export formats. Image and video workflows output files from the selected model inside the image and video workspaces.
Does Story321 support multiple languages?
Yes. Story321 offers localized site versions in 19 languages, including French, German, Japanese, Korean, Simplified and Traditional Chinese, Spanish, Portuguese, Arabic, and Indonesian.
Can Story321 generate images and video from text?
Yes. Story321 includes dedicated text-to-image and text-to-video workspaces with models such as FLUX.2 flex, Wan 2.5, GPT Image 2, and Grok Imagine Image 2. Generation is billed in credits based on the model and settings you choose.