---
title: GPT-5.4 Nano
description: GPT-5.4 Nano by OpenAI — lowest-latency OpenAI text model for simple pipelines.
---

# GPT-5.4 Nano

**Key:** `gpt-5.4-nano`  
**Provider:** [OpenAI](/en/providers/openai/)  
**Support:** `runnable`

## Capabilities

chat · json_schema

## Specifications

| Field | Value |
|-------|-------|
| Context window | 400 000 tokens |
| Input modalities | text |
| Output modalities | text |

## When to use

The lowest-latency OpenAI text model. Best for simple classification, label extraction, or lightweight structured-output pipelines where speed is the primary constraint and complex reasoning is not required.

## Provider documentation

→ [OpenAI model comparison](https://platform.openai.com/docs/models/compare?model=gpt-5.4-nano)
