Model index
OpenAI·GPT

GPT-4.1 nano

The lowest-latency GPT-4.1 tier for high-volume tasks such as classification and completion.

LegacyLanguageMultimodalWeights not released
MODEL NUMBER212
First public date
2025-04-14
Organization
OpenAI
Family
GPT
01

Specifications

Only published specifications are shown.

Context
1M
Input modalities
Text · Image
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Overview

The lowest-latency GPT-4.1 tier for high-volume tasks such as classification and completion.

03

Architecture & capabilities

04

Release history

API launch

GPT-4.1 nano became available through an API.

View source
05

Related models

Select a card to view the related model.

06

Sources