How much does o1-preview cost?

$15.00 per 1M input tokens, $60.00 per 1M output tokens.

Is o1-preview open source?

No. Its weights are not published.

o1-preview is a reasoning model from OpenAI in the o1 family. It has 4 scored results in 3 categories. It has no index.

Unranked

IndexUnrankedMedian 51.0

Coverage45%

Speed—Median 67/s

First token—Median 1.3 s

Input / 1M$15.00Median $0.60

Output / 1M$60.00Median $2.55

Context200KMedian 262K

Elo1353±5 #210Median 1422

Out of 100

AgenticNone counted——

Coding1 counted48.9—

ReasoningNone counted——

MultimodalNone counted——

Knowledge1 counted35.4—

MultilingualNone counted——

InstructionNone counted——

Math2 counted32.8—

4 counted

BenchmarkResultPlace

MATH level 5Math81.6% ±1.127 / 88

OTIS Mock AIME 2024-2025Math31.1% ±7.0132 / 200

GPQA diamond · Epoch AIKnowledge50.3% ±2.8145 / 217

MedQAHealthcare93.0% ±0.526 / 95

5 releases

Output / 1M$60.00 → $60.00

23 Oct 202612 Nov 2026

How much does o1-preview cost?: $15.00 per 1M input tokens, $60.00 per 1M output tokens.
What is the context window of o1-preview?: 200K tokens.
Is o1-preview open source?: No. Its weights are not published.
When was o1-preview released?: September 2024.