# Phi 3 Small 8k Instruct vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/phi-3-small-8k-instruct-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 27.6.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| Provider | Microsoft | Alibaba (Qwen) |
| Noometry Index | 29.3 | 42.9 |
| Rank | 314 | 106 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Open | Proprietary |

## Coding

- Phi 3 Small 8k Instruct: 27.9 (#318)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| LiveBench Coding | 20.3% | — |
| LMArena Coding | 1101 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Phi 3 Small 8k Instruct: —
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Phi 3 Small 8k Instruct: 14.8 (#323)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | — | 22% |
| LiveBench Reasoning | 15.9% | — |
| LMArena Hard Prompts | 1100 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LiveBench Data Analysis | 30.3% | — |
| LMCA | — | 36.4% |
| Adversarial NLI | 58.1% | — |
| BIG-Bench Hard | 79.1% | — |
| Epoch Capabilities Index | — | 146.78 |
| HellaSwag | 77% | — |
| LiveBench | 24% | — |
| WinoGrande | 81.5% | — |

## Math

- Phi 3 Small 8k Instruct: 27.6 (#248)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LiveBench Math | 17.6% | — |
| LMArena Math | 1151 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Phi 3 Small 8k Instruct: 29.1 (#240)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1067 | — |
| ARC (AI2) Challenge | 90.7% | — |
| MMLU | 75.7% | — |
| OpenBookQA | 88% | — |
| TriviaQA | 58.1% | — |

## Multilingual

- Phi 3 Small 8k Instruct: 28.5 (#272)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1058 | — |
| LMArena Chinese | 1061 | — |
| LMArena French | 1135 | — |
| LMArena German | 1080 | — |
| LMArena Japanese | 966 | — |
| LMArena Korean | 894 | — |
| LMArena Russian | 1111 | — |
| LMArena Spanish | 1111 | — |

## Instruction Following

- Phi 3 Small 8k Instruct: 51.9 (#292)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| LiveBench Instruction Following | 47.2% | — |
| LMArena Instruction Following | 1087 | — |

## Long Context

- Phi 3 Small 8k Instruct: 33.0 (#267)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1088 | — |

## Writing & Preference

- Phi 3 Small 8k Instruct: 31.1 (#284)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Small 8k Instruct | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1110 | — |
| LMArena Creative Writing | 1083 | — |
| LMArena Multi-Turn | 1068 | — |
| LiveBench Language | 12.9% | — |

## FAQ

### Is Phi 3 Small 8k Instruct better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 29.3 on the Noometry Index.

### How many benchmarks do Phi 3 Small 8k Instruct and Qwen3.5 Plus share?

0 benchmarks have published results for both models. Phi 3 Small 8k Instruct has 32 scored results on Noometry and Qwen3.5 Plus has 15.