Activereasoningllm Proprietary

o1-preview

by OpenAI· Released September 2024· Cutoff October 2023

o1-preview is a large language model from OpenAI designed for complex reasoning tasks. It uses chain-of-thought reasoning to solve difficult problems in science, coding, and math. As a preview model, it offers advanced reasoning capabilities but lacks some features of GPT-4o like vision and function calling.

Official Site API Docs

Input cost

$15.00 per 1M tokens

Output cost

$60.00 per 1M tokens

Context window

128K tokens

Max output

32K tokens

Modalities

text

License

proprietary

Capabilities

Chain-of-thought reasoningCode generationMath problem solvingScience reasoningText generationJSON Mode

Best For

Complex reasoning tasks requiring deep analysis, such as advanced math, science, and coding problems.

Strengths

State-of-the-art reasoning on complex problems
Strong performance on math and coding benchmarks
Transparent chain-of-thought process
Large context window (128K tokens)

Limitations

No vision or image input support
No function calling
Slower response times due to reasoning process
Higher cost compared to GPT-4o
Preview model with potential for changes

Use Cases

Solving advanced mathematical proofs

Debugging complex codebases

Scientific research and hypothesis generation

Legal document analysis

Strategic planning and decision-making

Educational tutoring for STEM subjects

Data analysis and interpretation

Improvements Over Previous Model

First model in the o1 reasoning family, no direct predecessor
Introduces chain-of-thought reasoning for complex tasks
Outperforms GPT-4o on math (AIME) and coding (Codeforces) benchmarks
Designed for deep reasoning rather than general conversation

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