# GPT-3.5 Turbo Instruct

> The last model on the completions endpoint: no roles, no messages, just text in and text out, the interface the whole field started with. It was shipped as a bridge for developers who had not moved to chat yet, and it has outlived nearly every model that was meant to replace it. Its grave is dug and waiting.

2023-09-18 — still running · lived 3 years · plot reserved

This URL is the guided walk — the 3D cemetery, standing at this grave. The written record is at [GPT-3.5 Turbo Instruct's epitaph](https://models.rip/gpt-3.5-turbo-instruct/epitaph).

## Elsewhere

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