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o1

Rank #351 openai

openai/o1-2024-12-17

Usage data date 2026-07-26 · updated daily

Usage and specs

Daily rank#351
Daily tokens13.5M
Daily requests8.9K
Daily change −88.0%
Context window200K
Released

What is o1

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. The o1 models are optimized for math, science, programming, and other STEM-related tasks. They consistently exhibit PhD-level accuracy on benchmarks in physics, chemistry, and biology. Learn more in the [launch announcement](https://openai.com/o1).

o1 capabilities

Input: Text、Image、File   Output: Text

Reasoning output Reasoning JSON output Structured outputs Tool choice Tool use Knowledge cutoff 2023-10-31

o1 API pricing

Input · per 1M tokens$15.00
Output · per 1M tokens$60.00

List prices in USD; see each provider’s site for current terms.

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