# Magistral Small vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.9 on the Noometry Index.

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

## Summary

- They share 5 benchmarks with published results for both. Magistral Small scores higher in 0 categories and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.0 to 6.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 30% for Magistral Small and 86.7% for Qwen3.5 Plus.
- Magistral Small is cheaper at $0.50 / $1.50 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
- Qwen3.5 Plus accepts more context: 1M tokens versus 128K.
- Magistral Small has downloadable open weights; the other is API-only.

## Snapshot

| | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 29.9 | 42.3 |
| Rank | 289 | 103 |
| Context | 128K | 1M |
| Input $/M | $0.50 | $0.40 |
| Output $/M | $1.50 | $2.40 |
| Weights | Open | Proprietary |

## Coding

- Magistral Small: 37.8 (#172)
- Qwen3.5 Plus: —

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| SciCode | 35.2% | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Magistral Small: —
- Qwen3.5 Plus: —

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Magistral Small: 6.9 (#345)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 3% | 22% |
| DTBench | 61.3% | 80.5% |
| Epoch Capabilities Index | 133.19 | 146.79 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 6.3% | — |
| ARC-AGI-1 | 5% | — |
| CritPt | 0.3% | — |
| Mystery Game Puzzles | — | 17% |
| LMCA | — | 36.4% |

## Math

- Magistral Small: 24.9 (#253)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 30% | 86.7% |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Magistral Small: 30.9 (#215)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 56.1% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |

## Long Context

- Magistral Small: —
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Magistral Small | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |

## FAQ

### Is Magistral Small better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.9 on the Noometry Index.

### Which is cheaper, Magistral Small or Qwen3.5 Plus?

Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; Qwen3.5 Plus lists at $0.40 and $2.40.

### Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 128K.

### How many benchmarks do Magistral Small and Qwen3.5 Plus share?

5 benchmarks have published results for both models. Magistral Small has 10 scored results on Noometry and Qwen3.5 Plus has 15.