# An on-disk trie of 1M sentences for fast next-word prediction

> An on-disk trie of 1M sentences for fast next-word prediction. Money 7, fun 17, solo feasibility 8/10 — scored idea from the SaaS Maker ledger.

Canonical: https://sassmaker.com/ideas/an-on-disk-trie-of-1m-sentences-for-fast-next-word-predictio

Source: README

Customer: Individual developer
Money: 7; Fun: 17; Adjusted: 24

## The idea

An on-disk trie of 1M sentences for fast next-word prediction. Disk-resident, child nodes per common prefix. Could find grammar mistakes (no matching path) or be a great suggester. **Comp:** none directly — niche. LLMs subsume the use case for most users. **Wedge:** the *engineering*, not the product.

## Score reasoning

Feasibility — 8/10: Weekend project, ships as OSS. Not a business but a real artifact.
Fun 8 + Tech 9 = 17 · Money 2 + Feasibility 8 − Competition 3 = 7 · Source: README

## Related

- [Scored ledger](https://sassmaker.com/ideas)