Free: $0 forever. Starter: $39 per month ($468 billed yearly). Growth: $99 per month ($1,188 billed yearly). Scale: $279 per month ($3,348 billed yearly). All paid plans include a 14-day free trial of Growth. Founding customers: 50% off first year on paid plans.
Free: 3 generations per day. Starter: $5 for 25 credits. Writer: $12 for 75 credits. Novelist: $25 for 175 credits. One-time payments, no subscription.
Key features
Drafts help centre articles from code
Flags stale articles on merged pull requests
Generates changelog from merged PRs
Publishes API reference without OpenAPI spec
AI answers on help centre
Imports existing documentation
Integrates with Claude and Cursor via MCP
Links claims back to source code
Draft review before publishing
Generate complete fanfiction scenes with fandom, characters and tropes
Write 3 free short scenes daily without sign-up or credit card
Support for any fandom including anime, books, games, movies and TV
Pick from multiple tone options including fluff, angst and humor
Generate with AO3-style title, rating, summary and tags
General and Teen And Up ratings only, no explicit content
Choose point of view: first, third or second person
What makes it different
Writes documentation directly from your code, not manual files
Keeps docs accurate by flagging stale articles on each merged PR
Captures real screenshots of your app rather than generic mockups
Generates API reference automatically without an OpenAPI spec
Works with apps built using no-code tools like Lovable, Bolt or v0
Free without requiring account creation or credit card
Simplified interface compared to writing detailed prompts for general AI chatbots
One-time credit purchases with no subscription required