o1-pro

reasoningdeprecatedproprietary

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

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$150/1M tokens
Output price
$600/1M tokens
Snapshots

Capabilities

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

Details

Provider OpenAI
Creator openai
Familyo1
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
MCPmcp
Connect to Model Context Protocol servers

Endpoints

ResponsesPOST
Stateful multi-turn conversationshttps://api.openai.com/v1/responses
BatchPOST
Async batch processing at lower costhttps://api.openai.com/v1/batches

Pricing

Text tokensPer 1M tokens
InputOutput
Standard$150$600

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-pro

o1-pro

deprecated

Status: Shut down

o1-pro-2025-03-19
Changes · 14 entries
o1-proupdateca7a400Nov 2, 2026, 03:02 AM
descriptionThe o1 series of models are trained with reinforcement le...→Status: Shut down
statusactive→deprecated
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
tools["function_calling"]→["function_calling","file_search","mcp"]
page_urlhttps://developers.openai.com/api/docs/models/o1-pro?snap...→https://developers.openai.com/api/docs/models/o1-pro
deprecation_date2026-04-22
retirement_date2026-10-23
successorgpt-5.6-sol
o1-proupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionThe o1 series of models are trained with reinforcement le...→Status: Shut down
o1-proupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o1-proupdate118451aSep 24, 2026, 07:08 AM
descriptionThe o1 series of models are trained with reinforcement le...→The o1 series of models are trained with reinforcement le...
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
o1-proupdatee3d7dedAug 31, 2026, 04:13 AM
statusactive→deprecated
tools["function_calling"]→["function_calling","file_search","mcp"]
page_urlhttps://developers.openai.com/api/docs/models/o1-pro?snap...→https://developers.openai.com/api/docs/models/o1-pro
o1-proupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
o1-proupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
o1-proupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nostreamingnofine tuningnobatchyes
o1-proupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2023-10→2023-09
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/o1-pro→https://developers.openai.com/api/docs/models/o1-pro?snap...
o1-proupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
o1-proupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling","file_search","mcp"]→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/o1-pro
open_weightno
release_date2025-03-19
o1-proupdateb50649fMar 21, 2026, 11:58 PM
pricingcached input$7.5tiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
descriptionThe o1 series of models are trained with reinforcement le...→The o1 series of models are trained with reinforcement le...
capabilitiesvisionyestool callyes
knowledge_cutoff2023-09
model_typereasoning
reasoning_tokensyes
reasoning4
taglineVersion of o1 with more compute for better responses
tools["function_calling","file_search","mcp"]
endpoints["responses","batch"]
o1-proupdatec9a70c5Mar 21, 2026, 08:12 AM
pricingcached input$7.5
o1-procreate7f5c66fMar 21, 2026, 05:16 AM