# o1-mini vs Yi-34B

> o1-mini is the stronger model overall, scoring 33.7 to 27.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-mini-vs-yi-34b
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. o1-mini scores higher in 7 categories and Yi-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o1-mini leads 34.8 to 7.5.
- The biggest single-benchmark swing is MATH Level 5: 89.2% for o1-mini and 5.1% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.

## Snapshot

| | o1-mini | Yi-34B |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 33.7 | 27.4 |
| Rank | 230 | 325 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- o1-mini: 35.1 (#218)
- Yi-34B: 31.8 (#269)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Coding | 1362 | 1112 |
| Aider Polyglot | 32.9% | — |
| WeirdML | 36.3% | — |
| LiveBench Coding | 48% | — |
| HumanEval+ | 89% | — |
| MBPP+ | 78.8% | — |

## Agentic & Tool Use

- o1-mini: 24.3 (#112)
- Yi-34B: —

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| Cybench | 10% | — |

## Reasoning

- o1-mini: 8.9 (#340)
- Yi-34B: 20.3 (#222)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1333 | 1104 |
| Epoch Capabilities Index | 135.82 | 117.28 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 18.1% | — |
| ARC-AGI-1 | 14% | — |
| LiveBench Reasoning | 72.3% | — |
| LiveBench Data Analysis | 57.9% | — |
| BIG-Bench Hard | — | 71.7% |
| LiveBench | 57.8% | — |

## Math

- o1-mini: 33.7 (#168)
- Yi-34B: 19.8 (#277)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Math | 1358 | 1114 |
| MATH Level 5 | 89.2% | 5.1% |
| OTIS Mock AIME 2024-2025 | 46.9% | — |
| LiveBench Math | 62% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |
| GSM8K | — | 76% |

## Knowledge

- o1-mini: 34.8 (#180)
- Yi-34B: 7.5 (#304)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| GPQA Diamond | 62.4% | 14.7% |
| LMArena Expert | 1316 | 1061 |
| Confabulations | 18.6% | — |
| MMLU | — | 76.3% |

## Multilingual

- o1-mini: 43.8 (#177)
- Yi-34B: 29.9 (#259)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Non-English | 1289 | 1079 |
| LMArena Chinese | 1314 | 1175 |
| LMArena French | 1292 | 1080 |
| LMArena German | 1278 | 1042 |
| LMArena Japanese | 1245 | 993 |
| LMArena Korean | 1223 | 959 |
| LMArena Russian | 1283 | 1050 |
| LMArena Spanish | 1302 | 1070 |

## Instruction Following

- o1-mini: 67.0 (#200)
- Yi-34B: 56.4 (#269)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1304 | 1091 |
| LiveBench Instruction Following | 65.4% | — |

## Long Context

- o1-mini: 40.1 (#156)
- Yi-34B: 33.2 (#259)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1321 | 1094 |

## Writing & Preference

- o1-mini: 48.6 (#196)
- Yi-34B: 34.3 (#268)

| Benchmark | o1-mini | Yi-34B |
|---|---|---|
| LMArena Text | 1317 | 1129 |
| LMArena Creative Writing | 1244 | 1108 |
| LMArena Multi-Turn | 1314 | 1113 |
| Short-Story Creative Writing | 64.9% | — |
| LiveBench Language | 40.9% | — |

## FAQ

### Is o1-mini better than Yi-34B?

o1-mini is the stronger model overall, scoring 33.7 to 27.4 on the Noometry Index.

### Is o1-mini or Yi-34B better for coding?

o1-mini scores higher on coding benchmarks: 35.1 versus 31.8 in the Noometry coding category.

### How many benchmarks do o1-mini and Yi-34B share?

20 benchmarks have published results for both models. o1-mini has 39 scored results on Noometry and Yi-34B has 23.