MODEL LINEAGE
中文
Model index
OpenAI·GPT

GPT-5 nano

The smallest GPT-5 tier for classification, extraction, ranking, and lightweight subtasks.

LegacyLanguageReasoningWeights not released
MODEL NUMBER054
First public date
2025-08-07
Organization
OpenAI
Family
GPT
01

Specifications

Only published specifications are shown.

Context
400,000 tokens↗
Maximum output
128,000 tokens↗
Input modalities
Text · Image
Open weights
No
Status
Legacy
02

Overview

Release dates

— OpenAI launched GPT-5 alongside its smaller mini and nano API models. ↗

03

Architecture & capabilities

Model capabilities

ClassificationData extraction

API features

Adjustable reasoning
04

Release history

General release

OpenAI launched GPT-5 alongside its smaller mini and nano API models.

View source
05

Related models

Select a card to view the related model.

SiblingGPT-5View details →
06

Sources

01
Introducing GPT-5 for developersOpenAI · Published 2025-08-07
Official · Verified02
OpenAI API model specificationsOpenAI · Checked 2026-09-07
Official · Verified
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