# Qwen3.5 Max Preview vs Qwen3.8 27B

> Qwen3.5 Max Preview and Qwen3.8 27B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/qwen3-5-max-preview-vs-qwen3-8-27b
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Qwen3.5 Max Preview scores higher in 6 categories and Qwen3.8 27B in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.8 27B leads 41.0 to 30.8.
- Qwen3.8 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 45.3 | 46.0 |
| Rank | 71 | 68 |
| Context | — | 262K |
| Input $/M | — | $0.99 |
| Output $/M | — | $1.49 |
| Weights | Proprietary | Open |

## Coding

- Qwen3.5 Max Preview: 44.0 (#77)
- Qwen3.8 27B: 50.5 (#44)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Coding | 1487 | 1482 |
| LMArena WebDev | — | 1593 |
| SciCode | — | 46.6% |

## Agentic & Tool Use

- Qwen3.5 Max Preview: —
- Qwen3.8 27B: 32.9 (#57)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| APEX-Agents | — | 47.5% |

## Reasoning

- Qwen3.5 Max Preview: 30.8 (#84)
- Qwen3.8 27B: 41.0 (#54)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Hard Prompts | 1483 | 1460 |
| ARC-AGI-2 | — | 42.4% |
| NYT Connections (extended) | — | 54.5% |
| ARC-AGI-1 | — | 87.5% |
| CritPt | — | 5.4% |
| DTBench | — | 88% |
| LMCA | — | 41.4% |
| Surface Evolver Bench | — | 45% |
| Epoch Capabilities Index | — | 149.38 |

## Math

- Qwen3.5 Max Preview: 40.1 (#94)
- Qwen3.8 27B: 37.1 (#161)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Math | 1474 | 1456 |
| ProofBench | — | 16% |

## Knowledge

- Qwen3.5 Max Preview: 41.8 (#107)
- Qwen3.8 27B: 41.6 (#109)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Expert | 1489 | 1482 |

## Multimodal

- Qwen3.5 Max Preview: —
- Qwen3.8 27B: 41.3 (#37)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Vision | — | 1271 |

## Multilingual

- Qwen3.5 Max Preview: 56.2 (#22)
- Qwen3.8 27B: 53.7 (#60)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Non-English | 1465 | 1430 |
| LMArena Chinese | 1534 | 1504 |
| LMArena French | 1484 | 1465 |
| LMArena German | 1487 | 1438 |
| LMArena Japanese | 1495 | 1384 |
| LMArena Korean | 1438 | 1393 |
| LMArena Russian | 1471 | 1415 |
| LMArena Spanish | 1470 | 1448 |

## Instruction Following

- Qwen3.5 Max Preview: 77.0 (#31)
- Qwen3.8 27B: 75.8 (#53)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Instruction Following | 1467 | 1439 |

## Long Context

- Qwen3.5 Max Preview: 45.2 (#45)
- Qwen3.8 27B: 44.3 (#70)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Longer Query | 1476 | 1450 |

## Writing & Preference

- Qwen3.5 Max Preview: 66.0 (#41)
- Qwen3.8 27B: 65.8 (#43)

| Benchmark | Qwen3.5 Max Preview | Qwen3.8 27B |
|---|---|---|
| LMArena Text | 1470 | 1441 |
| LMArena Creative Writing | 1464 | 1384 |
| LMArena Multi-Turn | 1478 | 1441 |
| EQ-Bench Creative Writing | — | 1671 |

## FAQ

### Is Qwen3.5 Max Preview better than Qwen3.8 27B?

Qwen3.5 Max Preview and Qwen3.8 27B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

### Is Qwen3.5 Max Preview or Qwen3.8 27B better for coding?

Qwen3.8 27B scores higher on coding benchmarks: 50.5 versus 44.0 in the Noometry coding category.

### How many benchmarks do Qwen3.5 Max Preview and Qwen3.8 27B share?

17 benchmarks have published results for both models. Qwen3.5 Max Preview has 17 scored results on Noometry and Qwen3.8 27B has 31.