GPT-4o

deprecatedproprietary

Status: Deprecated · Succeeded by gpt-6-luna

Intelligence
Speed
Context
128K
Max output
16K
Input price
$2.5/1M tokens
Output price
$10/1M tokens
Snapshots

Capabilities

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

Details

Provider OpenAI
Creator openai
Familygpt-4o
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window128K tokens
Max input—
Max output16K 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$25$3.75$1.875$15
Batch$25$2.225$0.9$12.5

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

GPT-4o

deprecated

Status: Deprecated

gpt-4o-2024-11-20gpt-4o-2024-08-06gpt-4o-2024-05-13
Changes · 15 entries
gpt-4oupdateca7a400Nov 2, 2026, 03:02 AM
descriptionGPT-4o (“o” for “omni”) is our versatile, high-intelligen...→Status: Deprecated
statusactive→deprecated
capabilitiesfine tuningno→yes
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
tools["function_calling"]→["function_calling","web_search","file_search","image_gen...
endpoints["chat_completions","responses","assistants","batch"]→["chat_completions","responses","assistants","batch","fin...
page_urlhttps://developers.openai.com/api/docs/models/gpt-4o?snap...→https://developers.openai.com/api/docs/models/gpt-4o
retirement_date2027-01-14
deprecation_date2026-10-14
successorgpt-6-luna
gpt-4oupdate2f25bc2Oct 29, 2026, 06:34 AM
release_date2024-05-13→2024-11-20
retirement_date2026-10-23→2027-01-14
deprecation_date2026-04-22→2026-10-14
successorgpt-5.6-sol→gpt-6-luna
gpt-4oupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionGPT-4o (“o” for “omni”) is our versatile, high-intelligen...→Status: Deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Fine-tuning","unit":"","columns":["Training","...
release_date2024-11-20→2024-05-13
deprecation_date2026-10-14→2026-04-22
retirement_date2027-01-14→2026-10-23
successorgpt-6-luna→gpt-5.6-sol
gpt-4oupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-4oupdate0d5a9a1Oct 14, 2026, 06:38 AM
statusactive→deprecated
deprecation_date2026-10-14
retirement_date2027-01-14
successorgpt-6-luna
gpt-4oupdate118451aSep 24, 2026, 07:08 AM
descriptionGPT-4o (“o” for “omni”) is our versatile, high-intelligen...→GPT-4o (“o” for “omni”) is our versatile, high-intelligen...
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
gpt-4oupdatee3d7dedAug 31, 2026, 04:13 AM
tools["function_calling"]→["function_calling","web_search","file_search","image_gen...
endpoints["chat_completions","responses","assistants","batch"]→["chat_completions","responses","assistants","batch","fin...
page_urlhttps://developers.openai.com/api/docs/models/gpt-4o?snap...→https://developers.openai.com/api/docs/models/gpt-4o
gpt-4oupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
gpt-4oupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
gpt-4oupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesfine tuningyes→nojson modeyes→noreasoningnobatchyes
gpt-4oupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/gpt-4o→https://developers.openai.com/api/docs/models/gpt-4o?snap...
gpt-4oupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
gpt-4oupdate2b100acMar 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
open_weightno
release_date2024-11-20
gpt-4oupdateb50649fMar 21, 2026, 11:58 PM
namegpt-4o→GPT-4o
pricingtiers[{"label":"Fine-tuning","unit":"","columns":["Training","...
capabilitiesstreamingyesvisionyesfine tuningyes
snapshots["gpt-4o-2024-05-13","gpt-4o-2024-08-06","gpt-4o-2024-11-...→["gpt-4o-2024-11-20","gpt-4o-2024-08-06","gpt-4o-2024-05-...
knowledge_cutoff2023-09
taglineFast, intelligent, flexible GPT model
tools["function_calling","web_search","file_search","image_gen...
endpoints["chat_completions","responses","assistants","batch"]
gpt-4ocreate7f5c66fMar 21, 2026, 05:16 AM