AI Index

o1-mini

Language OpenAI Verified Retired Shut down Oct 27, 2025 Released Sep 12, 2024
Model ID
Context
128K
66K max output
Input price
$1.10
per 1M tokens · OpenAI API
Output price
$4.40
per 1M tokens
Epoch Capabilities Index
135.8
#96 of 105 listed
LMArena Text
1,337
#131 of 149 listed

Where to run it

2 offerings · prices as listed
MeterTierPrice
OpenAI API (opens in a new tab) Official Retired Global · USD o1-mini
InputStandard $1.10 / 1M tokens
OutputStandard $4.40 / 1M tokens
Cache readStandard $0.55 / 1M tokens
Azure OpenAI in Foundry (opens in a new tab) Global · USD o1-mini-2024-09-12
InputStandard $1.10 / 1M tokens
OutputStandard $4.40 / 1M tokens
Cache readStandard $0.55 / 1M tokens
  1. 1 new price on OpenAI API Cache read $0.55
  2. 1 new price on OpenAI API Cache read $0.55

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 135.8

    #96 of 105 listed models · CI 131.8–137.2

  • LMArena Text 1,337

    #131 of 149 listed models · CI 1,333–1,341 · 51,981 votes

  • Epoch AI · GPQA Diamond 62.4%

    #92 of 128 listed models · high effort · ±2.74

    Also listed: medium effort 59.5%

  • LMArena Text · Chinese 1,350

    #130 of 149 listed models · CI 1,340–1,360 · 4,309 votes

  • LMArena Text · Coding 1,386

    #129 of 149 listed models · CI 1,379–1,393 · 8,478 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