# o1-mini vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-mini-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. o1-mini scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 8.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 46.9% for o1-mini and 86.7% for Qwen3.5 Plus.

## Snapshot

| | o1-mini | Qwen3.5 Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 34.0 | 42.9 |
| Rank | 235 | 106 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- o1-mini: 35.5 (#224)
- Qwen3.5 Plus: —

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| Aider Polyglot | 32.9% | — |
| WeirdML | 36.3% | — |
| LiveBench Coding | 48% | — |
| LMArena Coding | 1362 | — |
| ALE-Bench | — | 621.92 |
| HumanEval+ | 89% | — |
| MBPP+ | 78.8% | — |

## Agentic & Tool Use

- o1-mini: 24.6 (#118)
- Qwen3.5 Plus: —

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| Cybench | 10% | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- o1-mini: 8.8 (#346)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| Epoch Capabilities Index | 135.82 | 146.78 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 18.1% | — |
| ARC-AGI-1 | 14% | — |
| Chess Puzzles | — | 22% |
| LiveBench Reasoning | 72.3% | — |
| LMArena Hard Prompts | 1333 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | — | 36.4% |
| LiveBench | 57.8% | — |

## Math

- o1-mini: 35.4 (#186)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 46.9% | 86.7% |
| FrontierMath (Feb 2025 set) | 1.7% | 21% |
| LiveBench Math | 62% | — |
| LMArena Math | 1358 | — |
| MATH Level 5 | 89.2% | — |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- o1-mini: 34.9 (#192)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 62.4% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Confabulations | 18.6% | — |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1316 | — |

## Multilingual

- o1-mini: 43.6 (#182)
- Qwen3.5 Plus: —

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1289 | — |
| LMArena Chinese | 1314 | — |
| LMArena French | 1293 | — |
| LMArena German | 1278 | — |
| LMArena Japanese | 1245 | — |
| LMArena Korean | 1223 | — |
| LMArena Russian | 1283 | — |
| LMArena Spanish | 1303 | — |

## Instruction Following

- o1-mini: 66.7 (#206)
- Qwen3.5 Plus: —

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| LiveBench Instruction Following | 65.4% | — |
| LMArena Instruction Following | 1304 | — |

## Long Context

- o1-mini: 40.1 (#161)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1320 | — |

## Writing & Preference

- o1-mini: 48.4 (#202)
- Qwen3.5 Plus: —

| Benchmark | o1-mini | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1317 | — |
| LMArena Creative Writing | 1244 | — |
| Short-Story Creative Writing | 64.9% | — |
| LMArena Multi-Turn | 1314 | — |
| LiveBench Language | 40.9% | — |

## FAQ

### Is o1-mini better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.0 on the Noometry Index.

### How many benchmarks do o1-mini and Qwen3.5 Plus share?

4 benchmarks have published results for both models. o1-mini has 39 scored results on Noometry and Qwen3.5 Plus has 15.