o3-pro

reasoningdeprecatedproprietary

Status: Deprecated · Succeeded by gpt-5.6-sol

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$20/1M tokens
Output price
$80/1M tokens
Snapshots

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
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
Image Generationimage_generation
Generate images inline
MCPmcp
Connect to Model Context Protocol servers
Web Searchweb_search
Search the web for information

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$20$80

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-pro

o3-pro

deprecated

Status: Deprecated

o3-pro-2025-06-10
Changes · 14 entries
o3-proupdateca7a400Nov 2, 2026, 03:02 AM
descriptionThe o-series of models are trained with reinforcement lea...→Status: Deprecated
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","image_generation","mcp...
page_urlhttps://developers.openai.com/api/docs/models/o3-pro?snap...→https://developers.openai.com/api/docs/models/o3-pro
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-sol
o3-proupdateb2f45bfOct 29, 2026, 03:29 AM
descriptionThe o-series of models are trained with reinforcement lea...→Status: Deprecated
o3-proupdate4e8b6afOct 21, 2026, 06:35 AM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o3-proupdatecfa51b9Sep 24, 2026, 09:28 AM
statusactive→deprecated
deprecation_date2026-06-11
retirement_date2026-12-11
successorgpt-5.6-sol
o3-proupdate118451aSep 24, 2026, 07:08 AM
descriptionThe o-series of models are trained with reinforcement lea...→The o-series of models are trained with reinforcement lea...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
o3-proupdateab879c8Jun 18, 2026, 08:32 AM
tools["function_calling"]→["function_calling","file_search","image_generation","mcp...
page_urlhttps://developers.openai.com/api/docs/models/o3-pro?snap...→https://developers.openai.com/api/docs/models/o3-pro
o3-proupdatee8ec634Mar 24, 2026, 07:27 PM
knowledge_cutoff2024-05→2024-06
o3-proupdatefa2bbbbMar 24, 2026, 05:22 AM
capabilitiesjson modeno→yes
o3-proupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesjson modeyes→nostreamingnofine tuningnobatchyes
o3-proupdate1cd659eMar 24, 2026, 04:19 AM
knowledge_cutoff2024-06→2024-05
capabilitiesjson modeyes
page_urlhttps://platform.openai.com/docs/models/o3-pro→https://developers.openai.com/api/docs/models/o3-pro?snap...
o3-proupdateb301ebeMar 23, 2026, 11:47 PM
knowledge_cutoff2024-05→2024-06
o3-proupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling","file_search","image_generation","mcp...→["function_calling"]
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/o3-pro
open_weightno
release_date2025-06-10
o3-proupdateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
descriptionThe o-series of models are trained with reinforcement lea...→The o-series of models are trained with reinforcement lea...
capabilitiesvisionyes
knowledge_cutoff2024-05
model_typereasoning
reasoning_tokensyes
reasoning5
taglineVersion of o3 with more compute for better responses
tools["function_calling","file_search","image_generation","mcp...
endpoints["responses","batch"]
o3-procreate7f5c66fMar 21, 2026, 05:16 AM