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  3. o3-pro

o3-pro

openai
Highest
⚡ Slowest

Version of o3 with more compute for tougher reasoning tasks; delivers the highest reasoning quality at the cost of speed.

Basic Information

Context Window
200,000

tokens

Max Output
100,000

tokens

Knowledge Cutoff
6/1/2024

Last Update

Technical Specifications

Detailed technical information and specifications
Model ID
o3-pro
Provider
openai
Status
active
Created At
7/4/2025
Last Updated
7/4/2025
Availability
General Availability

Features

Supported features and capabilities of this model
Performance
Highest

Overall Rating

structured_outputs
function_calling

Pricing Details

Cost per 1 million tokens for different API types and usage patterns

Standard API

Text Modality

Text ModalityStandard APIPricing Details
TypePriceUnitContext Type
Input
$20.000000per mtokensStandard
Output
$80.000000per mtokensStandard

Batch API

Text Modality - Batch API

TypePriceUnitContext TypeSavings
Input$10.000000per mtokensStandard-50%
Output

Rate Limits

Request limits by subscription tier

Standard API Limits

TierRPMTPMAdditional Limits
tier_150030,000
Queue:90,000 Requests
tier_25,000450,000
Queue:1,350,000 Requests
tier_35,000800,000
Queue:50,000,000 Requests
tier_410,0002,000,000
Queue:200,000,000 Requests
tier_510,00030,000,000
Queue:5,000,000,000 Requests
Back to Models
$40.000000
per mtokens
Standard
-50%