What does it actually take to generate a safe, delightful, personalized story for a 5-year-old in under 10 seconds? More than you'd expect — and less than you might fear. Here's an honest look at how Inky is built and what happens between the moment you tap 'Generate' and the moment your child sees their name on page one.
The Content Safety Stack
Safety isn't a feature we added at the end. It's the foundation the whole system is built on. Every story request passes through multiple layers before any content reaches a child.
The first layer is input filtering: we check what you've entered for anything that shouldn't become part of a prompt sent to the AI. The second layer is the AI's own built-in guardrails — the model we use is configured specifically for children's content and will decline to generate anything outside those parameters. The third layer is output filtering: before the story reaches your screen, an automated system scans it against our content policy.
Fail any layer and the request doesn't go through. We'd rather tell a parent 'we couldn't generate that one' than ship something we're not proud of.
How Prompts Are Built
The inputs you see in the Inky interface — character name, age, theme, art style — are the visible surface of a much more detailed set of instructions assembled behind the scenes. Your inputs get combined with age-calibration parameters, narrative structure guidelines, vocabulary constraints, and tone instructions before anything reaches the AI.
A prompt for a 3-year-old looks very different from a prompt for an 8-year-old, even if both parents typed in the same theme. The age calibration is one of the most important variables we tune — it's what makes the language feel right for where your child actually is developmentally, not just generically 'kid-friendly.'
Where Art Comes From
Text and illustrations are generated by separate systems that work in parallel once the story text is approved. The illustration system reads key narrative moments from the story — not a generic description — and generates images that are specific to your story rather than generic stock art.
Art style consistency within a single story is something we work hard to maintain. If you pick watercolor, every illustration in that story uses the same visual treatment, the same character designs, the same color palette. Continuity matters because kids notice when the character looks different from page to page, and inconsistency breaks the reading experience.