gpt-4.1-2025-04-14

deprecatedproprietary

Status: Deprecated · Succeeded by gpt-6-luna

Intelligence
Speed
Context
1.0M
Max output
33K
Input price
$2/1M tokens
Output price
$8/1M tokens
Alias ofgpt-4.1

Capabilities

Reasoning & Interaction
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing
Fine-tuning

Details

Provider OpenAI
Creator openai
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 cutoff
Release date
Deprecation date
Retirement date
Successorgpt-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
TrainingInputCached inputOutput
Standard$25$3$0.75$12
Batch$25$1.5$0.5$6

Family Comparison: gpt-4.1

ModelContextMax outPricing
GPT-4.1 nano1.0M33K$0.1$0.4
GPT-4.1 Mini1.0M33K$0.4$1.6
GPT-4.11.0M33K$2$8

API

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

gpt-4.1-2025-04-14

deprecated

Status: Deprecated

alias → gpt-4.1
Changes · 14 entries
gpt-4.1-2025-04-14updateca7a400Nov 2, 2026, 03:02 AM
descriptionGPT-4.1 excels at instruction following and tool calling,...→Status: Deprecated
statusactive→deprecated
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
deprecation_date2026-10-14
retirement_date2027-01-14
successorgpt-6-luna
gpt-4.1-2025-04-14updateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-4.1 excels at instruction following and tool calling,...→Status: Deprecated
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
gpt-4.1-2025-04-14update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
gpt-4.1-2025-04-14update0d5a9a1Oct 14, 2026, 06:38 AM
statusactive→deprecated
deprecation_date2026-10-14
retirement_date2027-01-14
successorgpt-6-luna
gpt-4.1-2025-04-14update118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
gpt-4.1-2025-04-14updatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2024-05→2024-06
gpt-4.1-2025-04-14updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-4.1-2025-04-14updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→noreasoningnobatchyes
gpt-4.1-2025-04-14update1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2024-06→2024-05
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-4.1→https://developers.openai.com/api/docs/models/gpt-4.1?sna...
gpt-4.1-2025-04-14updateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2024-05→2024-06
gpt-4.1-2025-04-14update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
release_date2025-04-14
page_urlhttps://platform.openai.com/docs/models/gpt-4.1
open_weightno
tools["function_calling"]
gpt-4.1-2025-04-14updateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...
capabilitiesstreamingyesvisionyesfine tuningyes
knowledge_cutoff2024-05
taglineGPT-4.1 excels at instruction following and tool calling,...
endpoints["chat_completions","responses","assistants","batch","fin...
gpt-4.1-2025-04-14updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$2output$8cached input$0.5batch input$1batch output$4
descriptionGPT-4.1 excels at instruction following and tool calling,...
model_typechat
capabilitiestool callyesstructured outputyes
gpt-4.1-2025-04-14create7f5c66fMar 21, 2026, 05:16 AM