AI Index

o1-preview

Language OpenAI Verified Retired Shut down Jul 28, 2025 Released Sep 12, 2024
Model ID
Context
128K
33K max output
Input price
$15.00
per 1M tokens · OpenAI API
Output price
$60.00
per 1M tokens
Epoch Capabilities Index
134.8
#99 of 105 listed
LMArena Text
1,389
#109 of 149 listed

Where to run it

1 offering · prices as listed
MeterTierPrice
OpenAI API (opens in a new tab) Official Retired Global · USD o1-preview
InputStandard $15.00 / 1M tokens
OutputStandard $60.00 / 1M tokens
Cache readStandard $7.50 / 1M tokens

No changes recorded yet.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 134.8

    #99 of 105 listed models · CI 131.1–138

  • LMArena Text 1,389

    #109 of 149 listed models · CI 1,384–1,394 · 31,122 votes

  • Epoch AI · GPQA Diamond 50.3%

    #103 of 128 listed models · ±2.83

  • LMArena Text · Chinese 1,387

    #118 of 149 listed models · CI 1,374–1,399 · 2,763 votes

  • LMArena Text · Coding 1,416

    #120 of 149 listed models · CI 1,406–1,425 · 5,123 votes

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 3, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Oct 2, 2026
  • changes we made