# o1-preview

> The first model sold on the promise that it would think before it answered, and the first to bill you for tokens you were never allowed to read. It made a thirty-second wait feel like a feature rather than a fault, and every reasoning model since has been built on that bargain.

2024-09-12 — 2025-07-28 · lived 10 months

This URL is the guided walk — the 3D cemetery, standing at this grave. The written record is at [o1-preview's epitaph](https://models.rip/o1-preview/epitaph).

## Elsewhere

- [The whole cemetery](https://models.rip/)
- [The dataset](https://models.rip/graveyard.json)