AI Index

o1

Language OpenAI Partly verified Deprecated Shuts down Oct 23, 2026 Released Dec 17, 2024
Model ID
Context
200K
100K max output
Input price
$15.00
per 1M tokens · OpenAI API
Output price
$60.00
per 1M tokens
Epoch Capabilities Index
141.9
#81 of 105 listed
LMArena Text
1,402
#96 of 149 listed

Where to run it

2 offerings · prices as listed
MeterTierPrice
OpenAI API (opens in a new tab) Official Global · USD o1
InputStandard $15.00 / 1M tokens
Batch $7.50 / 1M tokens
OutputStandard $60.00 / 1M tokens
Batch $30.00 / 1M tokens
Cache readStandard $7.50 / 1M tokens
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 141.9

    #81 of 105 listed models · CI 139.7–143.1

  • LMArena Text 1,402

    #96 of 149 listed models · CI 1,398–1,407 · 27,807 votes

  • Epoch AI · FrontierMath Tiers 1–3 14.7%

    #68 of 74 listed models · high effort · ±2.1

    Also listed: medium effort 10.2% · low effort 8.4%

  • Epoch AI · GPQA Diamond 76.8%

    #73 of 128 listed models · high effort · ±3.01

    Also listed: medium effort 75.8% · low effort 74.2%

  • LMArena Text · Chinese 1,429

    #100 of 149 listed models · CI 1,415–1,444 · 1,780 votes

  • LMArena Text · Coding 1,433

    #111 of 149 listed models · CI 1,423–1,442 · 3,973 votes

  • LMArena Vision 1,168

    #68 of 87 listed models · CI 1,158–1,179 · 3,694 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