o3-mini

reasoningdeprecatedproprietary

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

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$1.1/1M tokens
Output price
$4.4/1M tokens
Snapshots

Capabilities

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

Details

Provider OpenAI
Creator openai
Familyo3
Licenseproprietary
Statusdeprecated
Typereasoning
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window200K tokens
Max input—
Max output100K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
Deprecation date
Retirement date
Successorgpt-5.6-sol
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs
File Searchfile_search
Search across uploaded files
Code Interpretercode_interpreter
Execute code in a sandbox
MCPmcp
Connect to Model Context Protocol servers
Image Generationimage_generation
Generate images inline

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

Pricing

Text tokensPer 1M tokens
InputCached inputOutput
Standard$1.1$0.55$4.4

Family Comparison: o3

ModelContextMax outPricing
o3-mini200K100K$1.1$4.4
o3200K100K$2$8
o3-deep-research200K100K$10$40
o3-pro200K100K$20$80

API

GET/v1/models/openai/o3-mini

o3-mini

deprecated

Status: Shut down

o3-mini-2025-01-31
Changes · 13 entries
o3-miniupdateca7a400Nov 2, 2026, 03:02 AM
descriptiono3-mini is our newest small reasoning model, providing hi...→Status: Shut down
statusactive→deprecated
modalitiesinput["text"]→["text","image"]
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
tools["function_calling"]→["function_calling","file_search","code_interpreter","mcp...
page_urlhttps://developers.openai.com/api/docs/models/o3-mini?sna...→https://developers.openai.com/api/docs/models/o3-mini
deprecation_date2026-04-22
retirement_date2026-10-23
successorgpt-5.6-sol
o3-miniupdateb2f45bfOct 29, 2026, 03:29 AM
descriptiono3-mini is our newest small reasoning model, providing hi...→Status: Shut down
o3-miniupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o3-miniupdate118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
deprecation_date2026-04-22
retirement_date2026-10-23
successorgpt-5.6-sol
o3-miniupdatee3d7dedAug 31, 2026, 04:13 AM
statusactive→deprecated
tools["function_calling"]→["function_calling","file_search","code_interpreter","mcp...
page_urlhttps://developers.openai.com/api/docs/models/o3-mini?sna...→https://developers.openai.com/api/docs/models/o3-mini
o3-miniupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
o3-miniupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
o3-miniupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesvisionyes→nojson modeyes→nofine tuningnobatchyes
o3-miniupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/o3-mini→https://developers.openai.com/api/docs/models/o3-mini?sna...
o3-miniupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
o3-miniupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling","file_search","code_interpreter","mcp...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/o3-mini
open_weightno
release_date2025-01-31
o3-miniupdateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
descriptionOpenAI o3-mini is a cost-efficient language model optimiz...→o3-mini is our newest small reasoning model, providing hi...
capabilitiesstreamingyesvisionyes
knowledge_cutoff2023-09
model_typereasoning
reasoning_tokensyes
reasoning4
taglineA small model alternative to o3
tools["function_calling","file_search","code_interpreter","mcp...
endpoints["chat_completions","responses","assistants","batch"]
o3-minicreate7f5c66fMar 21, 2026, 05:16 AM