GPT-4o mini

proprietary

GPT-4o mini (“o” for “omni”) is a fast, affordable small model for focused tasks.

Intelligence
Speed
Context
128K
Max output
16K
Input price
$0.15/1M tokens
Output price
$0.6/1M tokens
Snapshotsgpt-4o-mini-2024-07-18

Capabilities

vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch

Details

Model IDgpt-4o-mini
Provider OpenAI
Creator openai
Familygpt-4o
Licenseproprietary
Parameters—
Statusactive
Input modalitiestext, image
Output modalitiestext
Architecture—
Knowledge cutoff
Training data cutoff—
Release date
Deprecation date—
Typechat
Reasoning tokens—
Max input—
Open weightNo
Sourceofficial
Last updated

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$3$0.3$0.15$1.2
Batch—$0.15—$0.6

Family Comparison: gpt-4o

ModelContextMax outPricing
GPT-4o mini Audio128K16K$0.15$0.6
GPT-4o mini Search Preview128K16K$0.15$0.6
GPT-4o mini128K16K$0.15$0.6
GPT-4o mini Realtime16K4K$0.6$2.4
GPT-4o mini TTS——$0.6—
GPT-4o mini Transcribe16K2K$1.25$5
GPT-4o Audio128K16K$2.5$10
GPT-4o Search Preview128K16K$2.5$10
GPT-4o Transcribe Diarize16K2K$2.5$10
GPT-4o Transcribe16K2K$2.5$10
GPT-4o128K16K$2.5$10
GPT-4o Realtime32K4K$5$20

API

GET/v1/models/openai/gpt-4o-mini

GPT-4o mini

gpt-4o-mini

GPT-4o mini (“o” for “omni”) is a fast, affordable small model for focused tasks.

gpt-4o-mini-2024-07-18
Changes · 8 entries
gpt-4o-miniupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
gpt-4o-miniupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-4o-miniupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→noreasoningnobatchyes
gpt-4o-miniupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-4o-mini→https://developers.openai.com/api/docs/models/gpt-4o-mini...
gpt-4o-miniupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
gpt-4o-miniupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling","web_search","file_search","image_gen...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-4o-mini
open_weightno
release_date2024-07-18
gpt-4o-miniupdateb50649fMar 21, 2026, 11:58 PM
namegpt-4o-mini→GPT-4o mini
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...
capabilitiesstreamingyesvisionyesfine tuningyes
knowledge_cutoff2023-09
taglineFast, affordable small model for focused tasks
tools["function_calling","web_search","file_search","image_gen...
endpoints["chat_completions","responses","assistants","batch","fin...
gpt-4o-minicreate7f5c66fMar 21, 2026, 05:16 AM