Models

o1-preview

OpenAIOpenAIUnited States

o1-preview is OpenAI's first reasoning model, designed to solve complex problems in science, coding, and mathematics. It uses an internal chain-of-thought process to analyze and reason through multi-step tasks before responding, significantly improving accuracy on challenging queries.

ReasoningCoding
Input / 1M tokens
$16.50
Output / 1M tokens
$66.00
Supported plans
0

Benchmark history

Evaluations

13

Math 500

Measured May 14, 2026Source

Score

0.92

Artificial Analysis Coding Index

Measured May 14, 2026Source

Score

34

Artificial Analysis Intelligence Index

Measured May 14, 2026Source

Score

23.7

Aime

Measured May 14, 2026Source

Score

0.72

Scicode

Measured May 14, 2026Source

Score

0.36

Livecodebench

Measured May 14, 2026Source

Score

0.68

Hle

Measured May 14, 2026Source

Score

0.08

Gpqa

Measured May 14, 2026Source

Score

0.75

Mmlu Pro

Measured May 14, 2026Source

Score

0.84

TAU2

Measured May 14, 2026Source

Score

0.63

Terminalbench Hard

Measured May 14, 2026Source

Score

0.13

Lcr

Measured May 14, 2026Source

Score

0.59

Ifbench

Measured May 14, 2026Source

Score

0.7

Plan availability

Products and plans that support this model

0
No products or plans have been linked to this model yet.

Discussion

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