o1-preview

OpenAI chatreasoning Free

API ID: openai/o1-preview

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Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About o1-preview

O1 Preview is OpenAI's initial release of the o1 reasoning model, providing early access to advanced reasoning capabilities. The model demonstrates breakthrough performance on complex mathematical, scientific, and coding problems through extended thinking. O1 Preview introduced the concept of AI that thinks before responding, achieving remarkable scores on challenging benchmarks. While superseded by the full o1 release, it remains available for applications with existing integrations. For understanding the evolution of reasoning AI, o1 Preview represents a significant milestone.

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Price Ranking
#1 lowest price among 950 Chat models — Top 20% cheapest!

Model Specifications

Context Length
128k
Max Output
—
Release Date
2024-09-12
Capabilities
chat reasoning
Input Modalities
text
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)
  • Simple Q&A (cheaper models available)
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This model is completely free!

No token costs - use it without worrying about API bills.

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OpenAI Model Lineup

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🚀 Quick Start

Get started with o1-preview API

OpenAI Python SDK 
from openai import OpenAI
client = OpenAI()

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

Resources

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