# O1Medium

> Source: Benchize (https://benchize.com) — https://benchize.com/models/o1-medium. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/o1-medium.

OpenAI

Canonical URL: https://benchize.com/models/o1-medium
Last updated: Thu, 22 Oct 2026 08:20:15 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

OpenAI

## Benchmarks

| Benchmark | Score | ± | Rank | Cost | Source |  |
| --- | --- | --- | --- | --- | --- | --- |
| [HMMT Feb 2025](https://benchize.com/benchmarks/matharena%3Ahmmt--hmmt_feb_2025.md) | 48.33% | 95% CI 39.39–57.27% | 28 / 35 | 0.89usd per problem | [matharena · hmmt--hmmt_feb_2025](https://matharena.ai/competition_tables/hmmt--hmmt_feb_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 48.33 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.89 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition hmmt--hmmt_feb_2025 predicted false Reasoning effort medium sourceModelName o1 (medium) sourceModelVersion openai/o1 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 39.39–57.27% confidenceInterval95 8.94 problems 30 ### Source [Original source](https://matharena.ai/competition_tables/hmmt--hmmt_feb_2025) Source matharena Original model label o1 (medium) Source version hmmt--hmmt_feb_2025 Observed 2026-10-22T05:30:12.126Z Evidence SHA-256 `8554225c26eb7a3c2649943ee7cf6b404ec1f7441b20fbdcfccbf35b9a864864` Source locator `/table/rows/42` |  |  |  |  |  |  |
| [AIME 2025](https://benchize.com/benchmarks/aime-2025.md) | 81.67% | 95% CI 74.75–88.59% | 21 / 36 | 0.71usd per problem | [matharena · aime--aime_2025](https://matharena.ai/competition_tables/aime--aime_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 81.67 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.71 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition aime--aime_2025 predicted false Reasoning effort medium sourceModelName o1 (medium) sourceModelVersion openai/o1 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 74.75–88.59% confidenceInterval95 6.92 problems 30 ### Source [Original source](https://matharena.ai/competition_tables/aime--aime_2025) Source matharena Original model label o1 (medium) Source version aime--aime_2025 Observed 2026-10-22T05:30:11.892Z Evidence SHA-256 `fab0abcecc4032852ef2cbd2a84d34ffc42202be358b2994bfaba44ae7a0cd9a` Source locator `/table/rows/35` |  |  |  |  |  |  |

---
Cite as: O1Medium — Benchize, https://benchize.com/models/o1-medium (retrieved 2026-10-22)