# GPT-4.1 nano

> The cheapest and fastest of the three models that arrived together on 14 April 2025, built for the work nobody writes a blog post about: classification, autocomplete, the call you make ten thousand times an hour. Its two larger siblings are not going anywhere. It is the only one of the three with a date.

2025-04-14 — still running · lived 1 year, 5 months · plot reserved

Also answers to: `gpt-4.1-nano-2025-04-14`

## The record

- Provider: OpenAI
- Model id: `gpt-4.1-nano`
- Cause of death: Superseded
- Funeral: 2026-10-23

## Sources

- https://developers.openai.com/api/docs/deprecations
- https://developers.openai.com/api/docs/changelog
- https://en.wikipedia.org/wiki/GPT-4.1

## Elsewhere

- [Stand at this grave](https://models.rip/gpt-4.1-nano)
- [The OpenAI plot](https://models.rip/openai)
- [The whole cemetery](https://models.rip/)