o1

About o1

OpenAI o1 is a revolutionary reasoning model that thinks before it responds, achieving breakthrough performance on complex mathematical, scientific, and coding problems. Released in September 2024, o1 introduces a new paradigm in AI by using extended 'thinking time' to work through problems step-by-step, similar to how humans approach difficult challenges. The model ranks in the 89th percentile on competitive programming (Codeforces) and places among the top 500 students in the USA Math Olympiad qualifier. o1 excels at tasks requiring multi-step reasoning, logical deduction, and careful analysis—areas where traditional language models often struggle. With a 200K context window and support for vision inputs, it can analyze complex documents and images while maintaining its reasoning capabilities. The model is particularly valuable for research, advanced mathematics, algorithm development, and any application requiring deep analytical thinking. While o1 has higher latency due to its thinking process and costs more than GPT-4o, the investment pays off for problems where accuracy matters more than speed. For developers tackling genuinely difficult problems, o1 represents a significant capability upgrade.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

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🚀 Quick Start

Get started with o1 API

from openai import OpenAI
client = OpenAI()

response = client.chat.completions.create(
    model="openai/o1-2024-12-17",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

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