o1-pro-2025-03-19

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
Alias ofo1-pro

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

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-2025-03-19

o1-pro-2025-03-19

deprecated

Status: Shut down

alias → o1-pro
Changes · 13 entries
o1-pro-2025-03-19updateca7a400Nov 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":...
deprecation_date2026-04-22
retirement_date2026-10-23
successorgpt-5.6-sol
o1-pro-2025-03-19updateb2f45bfOct 29, 2026, 03:29 AM
descriptionThe o1 series of models are trained with reinforcement le...→Status: Shut down
o1-pro-2025-03-19update4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o1-pro-2025-03-19update118451aSep 24, 2026, 07:08 AM
statusactive→deprecated
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-pro-2025-03-19updatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2023-09→2023-10
o1-pro-2025-03-19updatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
o1-pro-2025-03-19updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nostreamingnofine tuningnobatchyes
o1-pro-2025-03-19update1cd659eMar 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-pro-2025-03-19updateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2023-09→2023-10
o1-pro-2025-03-19update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
release_date2025-03-19
page_urlhttps://platform.openai.com/docs/models/o1-pro
open_weightno
tools["function_calling"]
o1-pro-2025-03-19updateb50649fMar 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
taglineThe o1 series of models are trained with reinforcement le...
endpoints["responses","batch"]
o1-pro-2025-03-19updatec9a70c5Mar 21, 2026, 08:12 AM
pricinginput$150output$600cached input$7.5batch input$75batch output$300
descriptionThe o1 series of models are trained with reinforcement le...
capabilitiesstructured outputyesreasoningyes
o1-pro-2025-03-19create7f5c66fMar 21, 2026, 05:16 AM