o3-pro

reasoning

The o-series of models are trained with reinforcement learning to think

Intelligence
Reasoning
Speed
Context
200K
Max output
100K
Input price
$20/1M tokens
Output price
$80/1M tokens
Capabilities
vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch
Details
Provider OpenAI
Creator OpenAI
Familyo3
Statusactive
Input modalitiestext, image
Output modalitiestext
Knowledge cutoff2024-05
Release date
Deprecation date
Typereasoning
Reasoning tokensYes
Max input
Sourceofficial
Last updated2026-03-21
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
InputCached inputOutput
Standard$20$80
Batch$10$40
Family Comparison: o3
ModelContextMax outInputOutput
200K100K$1.1$4.4
o3RVTS
200K100K$2$8
200K100K$10$40
o3-proRVT
200K100K$20$80
API
GET/v1/models/openai/o3-pro

o3-pro

The o-series of models are trained with reinforcement learning to think

Changes · 2 entries
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