gpt-4.1-nano-2025-04-14

Name: gpt-4.1-nano-2025-04-14
Author: OpenAI

deprecatedproprietary

Status: Shut down · Succeeded by gpt-5.6-luna

Intelligence

Speed

Context

1.0M

Max output

33K

Input price

$0.1/1M tokens

Output price

$0.4/1M tokens

Alias ofgpt-4.1-nano

Capabilities

Show unsupported (2)

Reasoning & Interaction

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Fine-tuning

Details

ProviderOpenAI

Creatoropenai

Familygpt-4.1

Licenseproprietary

Statusdeprecated

Typechat

Input modalitiestext, image

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window1.0M tokens

Max input—

Max output33K tokens

Reasoning tokens—

Knowledge cutoff2024-06

Release date2025-04-14

Deprecation date2026-04-22

Retirement date2026-10-23

Successorgpt-5.6-luna

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Endpoints

Chat CompletionsPOST

Generate chat responses with messageshttps://api.openai.com/v1/chat/completions

ResponsesPOST

Stateful multi-turn conversationshttps://api.openai.com/v1/responses

AssistantsPOST

Persistent assistants with tools and fileshttps://api.openai.com/v1/assistants

BatchPOST

Async batch processing at lower costhttps://api.openai.com/v1/batches

Fine-tuningPOST

Train custom models on your datahttps://api.openai.com/v1/fine_tuning/jobs

Pricing

Fine-tuning

	Training	Input	Cached input	Output
Standard	$1.5	$0.2	$0.05	$0.8
Batch	$1.5	$0.1	$0.025	$0.4

Family Comparison: gpt-4.1

Model	Caps	Context	Max out	Pricing
GPT-4.1 nano	TJJMSBF	1.0M	33K	$0.1$0.4
GPT-4.1 Mini	TJJMSBF	1.0M	33K	$0.4$1.6
GPT-4.1	TJJMSBF	1.0M	33K	$2$8

API

GET/v1/models/openai/gpt-4.1-nano-2025-04-14