# Phi 3 Mini 128k Instruct vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/phi-3-mini-128k-instruct-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Qwen3.5 Plus leads 46.0 to 26.3.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| Provider | Microsoft | Alibaba (Qwen) |
| Noometry Index | 29.1 | 42.3 |
| Rank | 303 | 103 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Open | Proprietary |

## Coding

- Phi 3 Mini 128k Instruct: 28.3 (#307)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| BigCodeBench Instruct | 29.6% | — |
| LMArena Coding | 1040 | — |
| BigCodeBench Complete | 40.6% | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Phi 3 Mini 128k Instruct: —
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Phi 3 Mini 128k Instruct: 18.7 (#254)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1028 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.79 |

## Math

- Phi 3 Mini 128k Instruct: 29.2 (#220)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1089 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Phi 3 Mini 128k Instruct: 26.3 (#251)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 984 | — |

## Multilingual

- Phi 3 Mini 128k Instruct: 25.4 (#280)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1000 | — |
| LMArena Chinese | 1016 | — |
| LMArena French | 1038 | — |
| LMArena German | 1006 | — |
| LMArena Japanese | 899 | — |
| LMArena Korean | 856 | — |
| LMArena Russian | 1004 | — |
| LMArena Spanish | 1058 | — |

## Instruction Following

- Phi 3 Mini 128k Instruct: 52.1 (#289)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1023 | — |

## Long Context

- Phi 3 Mini 128k Instruct: 30.3 (#284)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 996 | — |

## Writing & Preference

- Phi 3 Mini 128k Instruct: 27.3 (#296)
- Qwen3.5 Plus: —

| Benchmark | Phi 3 Mini 128k Instruct | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1050 | — |
| LMArena Creative Writing | 1024 | — |
| LMArena Multi-Turn | 989 | — |

## FAQ

### Is Phi 3 Mini 128k Instruct better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.

### How many benchmarks do Phi 3 Mini 128k Instruct and Qwen3.5 Plus share?

0 benchmarks have published results for both models. Phi 3 Mini 128k Instruct has 19 scored results on Noometry and Qwen3.5 Plus has 15.