Source-based writing partner for research, writing, citing and polishing
AI writing tool for character headcanons and scene ideas
Stage
Not given
Not given
Founded
Not given
Not given
Based in
GB
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan includes limited daily AI output, AI commands, unlimited source finder, unlimited citation tool and formatting, AI companion, and AI detector. Paid plan starts from $7.9 per month if billed annually (60% savings), offering unlimited AI outline and drafting, unlimited AI output and commands
Free: 50 welcome Sparks for 7 days (up to 5 standard generations). Spark Pack 500: $4.90 (up to 50 standard generations, valid 365 days). Spark Pack Plus 2,000: $14.90 (up to 200 standard generations, 24% less per Spark, valid 365 days).
Key features
Draft Builder - structure papers with AI-generated outlines based on assignment details
Paragraph Copilot - brainstorm and develop ideas to overcome writer's block
AI Detector - highlights text that may seem AI-generated
Plagiarism Checker - identifies accidental plagiarism and areas needing citation
Citation Formatting - formats citations in APA, MLA, Harvard and other formats
Text Autosuggestion - context-aware suggestions while writing to overcome writer's block
Text Humanizer - improve authenticity and personal voice in writing
Generate structured headcanon ideas with premise, emotional logic, and scene hooks
Reroll and rewrite generations with 3 Sparks per rewrite
Save and share headcanons through public share links
Preset prompt angles for common fandom scenarios
Control panel for tone, angles, and canon distance customization
Generate multiple tones for the same character premise
Account-based result storage with persistent access after Sparks expire
What makes it different
Source-based AI partner that writes with you, not instead of you
Built-in integration with 10M+ academic sources from legitimate libraries
Templates and tone control built specifically for headcanon generation instead of generic chat
Reusable, structured output designed to be saved and shared with fandom communities
Emotional logic and expandable details for turning ideas into finished fic
Specialized for fandom writers with existing character tension and ships
Focused text-based generation rather than image generation
Litero AI
Margo