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o1-pro Model Specs, Costs & Benchmarks (August 2025)

o1-pro, developed by OpenAI, features a context window of 200K tokens. The model costs $150.00 per million tokens for input and $600.00 per million tokens for output. It was released on March 19, 2025, and has achieved impressive scores in various benchmarks.
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Overview

o1-proo1-pro
Model Provider
The organization behind this AI's development
OpenAI logoOpenAI
Input Context Window
Maximum input tokens this model can process at once
200K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
100K
tokens
Release Date
When this model first became publicly available
March 19th, 2025

Pricing

o1-proo1-pro
Input Token Cost
Cost per million input tokens
$150.00
per million tokens
Output Token Cost
Cost per million output tokens
$600.00
per million tokens

Capabilities & Features

o1-proo1-pro
Input Types
Supported input formats
textimage
Output Types
Supported output formats
text
Tokenizer
Text encoding system
GPT
Key Features
Advanced capabilities
✓ Structured Output✓ Reasoning Mode✓ Content Moderation

Benchmarks

o1-proo1-pro
MMLU
Measures knowledge across 57 subjects like law, math, history, and science
Not available
MMMU
Measures understanding of combined text and images across various domains
Not available
HellaSwag
Measures common sense reasoning by having models complete sentences about everyday situations
Not available

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