# o1-mini vs Qwen1.5 4b Chat

> o1-mini is the stronger model overall, scoring 33.7 to 28.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-mini-vs-qwen1-5-4b-chat
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. o1-mini scores higher in 7 categories and Qwen1.5 4b Chat in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where o1-mini leads 48.6 to 23.9.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

## Snapshot

| | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 33.7 | 28.3 |
| Rank | 230 | 319 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- o1-mini: 35.1 (#218)
- Qwen1.5 4b Chat: 28.6 (#305)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1362 | 999 |
| Aider Polyglot | 32.9% | — |
| WeirdML | 36.3% | — |
| LiveBench Coding | 48% | — |
| HumanEval+ | 89% | — |
| MBPP+ | 78.8% | — |

## Agentic & Tool Use

- o1-mini: 24.3 (#112)
- Qwen1.5 4b Chat: —

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| Cybench | 10% | — |

## Reasoning

- o1-mini: 8.9 (#340)
- Qwen1.5 4b Chat: 17.7 (#277)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1333 | 976 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 18.1% | — |
| ARC-AGI-1 | 14% | — |
| LiveBench Reasoning | 72.3% | — |
| LiveBench Data Analysis | 57.9% | — |
| Epoch Capabilities Index | 135.82 | — |
| LiveBench | 57.8% | — |

## Math

- o1-mini: 33.7 (#168)
- Qwen1.5 4b Chat: 27.9 (#233)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1358 | 1026 |
| OTIS Mock AIME 2024-2025 | 46.9% | — |
| LiveBench Math | 62% | — |
| MATH Level 5 | 89.2% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |

## Knowledge

- o1-mini: 34.8 (#180)
- Qwen1.5 4b Chat: 26.2 (#252)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1316 | 980 |
| GPQA Diamond | 62.4% | — |
| Confabulations | 18.6% | — |

## Multilingual

- o1-mini: 43.8 (#177)
- Qwen1.5 4b Chat: 24.2 (#285)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1289 | 979 |
| LMArena Chinese | 1314 | 1024 |
| LMArena German | 1278 | 902 |
| LMArena Russian | 1283 | 952 |
| LMArena French | 1292 | — |
| LMArena Japanese | 1245 | — |
| LMArena Korean | 1223 | — |
| LMArena Spanish | 1302 | — |

## Instruction Following

- o1-mini: 67.0 (#200)
- Qwen1.5 4b Chat: 49.3 (#295)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1304 | 979 |
| LiveBench Instruction Following | 65.4% | — |

## Long Context

- o1-mini: 40.1 (#156)
- Qwen1.5 4b Chat: 30.1 (#285)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1321 | 988 |

## Writing & Preference

- o1-mini: 48.6 (#196)
- Qwen1.5 4b Chat: 23.9 (#304)

| Benchmark | o1-mini | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1317 | 997 |
| LMArena Creative Writing | 1244 | 969 |
| LMArena Multi-Turn | 1314 | 977 |
| Short-Story Creative Writing | 64.9% | — |
| LiveBench Language | 40.9% | — |

## FAQ

### Is o1-mini better than Qwen1.5 4b Chat?

o1-mini is the stronger model overall, scoring 33.7 to 28.3 on the Noometry Index.

### Is o1-mini or Qwen1.5 4b Chat better for coding?

o1-mini scores higher on coding benchmarks: 35.1 versus 28.6 in the Noometry coding category.

### How many benchmarks do o1-mini and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. o1-mini has 39 scored results on Noometry and Qwen1.5 4b Chat has 13.