GPT-4.1 Mini

deprecatedproprietary

Status: Deprecated · Succeeded by gpt-6-luna

Intelligence
Speed
Context
1.0M
Max output
33K
Input price
$0.4/1M tokens
Output price
$1.6/1M tokens
Snapshots

Capabilities

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

Details

Model IDgpt-4.1-mini
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
Web Searchweb_search
Search the web for information
File Searchfile_search
Search across uploaded files
Image Generationimage_generation
Generate images inline
Code Interpretercode_interpreter
Execute code in a sandbox
MCPmcp
Connect to Model Context Protocol servers

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$5$0.8$0.2$3.2
Batch$5$0.4$0.1$1.6

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-mini

GPT-4.1 Mini

deprecated
gpt-4.1-mini

Status: Deprecated

gpt-4.1-mini-2025-04-14
Changes · 14 entries
gpt-4.1-miniupdateca7a400Nov 2, 2026, 03:02 AM
nameGPT-4.1 mini→GPT-4.1 Mini
descriptionGPT-4.1 mini excels at instruction following and tool cal...→Status: Deprecated
statusactive→deprecated
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
tools["function_calling"]→["function_calling","web_search","file_search","image_gen...
page_urlhttps://developers.openai.com/api/docs/models/gpt-4.1-min...→https://developers.openai.com/api/docs/models/gpt-4.1-mini
retirement_date2027-01-14
deprecation_date2026-10-14
successorgpt-6-luna
gpt-4.1-miniupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-4.1 Mini excels at instruction following and tool cal...→Status: Deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
tools["function_calling","web_search","file_search","code_inte...→["function_calling","web_search","file_search","image_gen...
gpt-4.1-miniupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-4.1-miniupdate0d5a9a1Oct 14, 2026, 06:38 AM
statusactive→deprecated
deprecation_date2026-10-14
retirement_date2027-01-14
successorgpt-6-luna
gpt-4.1-miniupdate118451aSep 24, 2026, 07:08 AM
descriptionGPT-4.1 Mini excels at instruction following and tool cal...→GPT-4.1 Mini excels at instruction following and tool cal...
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-4.1-miniupdatee3d7dedAug 31, 2026, 04:13 AM
nameGPT-4.1 mini→GPT-4.1 Mini
descriptionGPT-4.1 mini excels at instruction following and tool cal...→GPT-4.1 Mini excels at instruction following and tool cal...
tools["function_calling"]→["function_calling","web_search","file_search","code_inte...
page_urlhttps://developers.openai.com/api/docs/models/gpt-4.1-min...→https://developers.openai.com/api/docs/models/gpt-4.1-mini
gpt-4.1-miniupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2024-05→2024-06
gpt-4.1-miniupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-4.1-miniupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→noreasoningnobatchyes
gpt-4.1-miniupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2024-06→2024-05
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-4.1-mini→https://developers.openai.com/api/docs/models/gpt-4.1-min...
gpt-4.1-miniupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2024-05→2024-06
gpt-4.1-miniupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling","web_search","file_search","code_inte...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-4.1-mini
open_weightno
release_date2025-04-14
gpt-4.1-miniupdateb50649fMar 21, 2026, 11:58 PM
namegpt-4.1-mini→GPT-4.1 mini
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...
capabilitiesstreamingyesvisionyesfine tuningyes
knowledge_cutoff2024-05
taglineSmaller, faster version of GPT-4.1
tools["function_calling","web_search","file_search","code_inte...
endpoints["chat_completions","responses","assistants","batch","fin...
gpt-4.1-minicreate7f5c66fMar 21, 2026, 05:16 AM