o1-mini

reasoningdeprecatedproprietary

Status: Shut down · Succeeded by o4-mini

Intelligence
Reasoning
Speed
Context
128K
Max output
66K
Input price
$1.1/1M tokens
Output price
$4.4/1M tokens
Snapshots

Capabilities

Reasoning & Interaction
Reasoning
Infrastructure
Streaming

Details

Provider OpenAI
Creator openai
Familyo1
Licenseproprietary
Statusdeprecated
Typereasoning
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window128K tokens
Max input—
Max output66K tokens
Reasoning tokensYes
Knowledge cutoff
Release date
Deprecation date
Retirement date
Successoro4-mini
Sourceofficial

Tools

File Searchfile_search
Search across uploaded files
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
AssistantsPOST
Persistent assistants with tools and fileshttps://api.openai.com/v1/assistants

Pricing

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

Family Comparison: o1

ModelContextMax outPricing
o1-mini128K66K$1.1$4.4
o1 Preview128K33K$15$60
o1200K100K$15$60
o1-pro200K100K$150$600

API

GET/v1/models/openai/o1-mini

o1-mini

deprecated

Status: Shut down

o1-mini-2024-09-12
Changes · 12 entries
o1-miniupdateca7a400Nov 2, 2026, 03:02 AM
descriptionThe o1 reasoning model is designed to solve hard problems...→Status: Shut down
statusactive→deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
page_urlhttps://developers.openai.com/api/docs/models/o1-mini?sna...→https://developers.openai.com/api/docs/models/o1-mini
successoro4-mini
deprecation_date2025-04-28
retirement_date2025-10-27
o1-miniupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionThe o1 reasoning model is designed to solve hard problems...→Status: Shut down
o1-miniupdate118451aSep 24, 2026, 07:08 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
successoro3-mini→o4-mini
deprecation_date2025-04-28
retirement_date2025-10-27
o1-miniupdatee3d7dedAug 31, 2026, 04:13 AM
statusactive→deprecated
page_urlhttps://developers.openai.com/api/docs/models/o1-mini?sna...→https://developers.openai.com/api/docs/models/o1-mini
successoro3-mini
o1-miniupdate22fb110Apr 1, 2026, 10:05 AM
successoro3-mini
o1-miniupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
o1-miniupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesvisionnotool callnostructured outputnojson modenofine tuningno
o1-miniupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
page_urlhttps://platform.openai.com/docs/models/o1-mini→https://developers.openai.com/api/docs/models/o1-mini?sna...
o1-miniupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
o1-miniupdate2b100acMar 23, 2026, 05:30 AM
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/o1-mini
open_weightno
release_date2024-09-12
o1-miniupdateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
descriptionThe o1 reasoning model is designed to solve hard problems...
knowledge_cutoff2023-09
model_typereasoning
reasoning_tokensyes
reasoning3
taglineA small model alternative to o1
successoro3-mini
capabilitiesstreamingyesreasoningyes
tools["file_search","code_interpreter","mcp"]
endpoints["chat_completions","assistants"]
o1-minicreate7f5c66fMar 21, 2026, 05:16 AM