Model comparison
Qwen3.5-Flash vs Qwen3.5 Max Preview
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 42.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Qwen3.5-Flash scores higher in 2 categories and Qwen3.5 Max Preview in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Qwen3.5 Max Preview leads 44.0 to 34.2.
Side by side
| Qwen3.5-Flash | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 42.5 | 45.3 |
| Released | 2026-02-23 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 32 | 17 |
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Category by category
Coding Qwen3.5 Max Preview leads
Qwen3.5-Flash: 34.2 (#242), Qwen3.5 Max Preview: 44.0 (#77)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1412 | 1487 |
| LMArena WebDev | 1244 | — |
| ALE-Bench | 221.8 | — |
Agentic & Tool Use Not comparable
Qwen3.5-Flash: —, Qwen3.5 Max Preview: —
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| Vending-Bench 2 | 462.69 | — |
Reasoning Qwen3.5-Flash leads
Qwen3.5-Flash: 33.7 (#72), Qwen3.5 Max Preview: 30.8 (#84)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1403 | 1483 |
| Chess Puzzles | 21% | — |
| Mystery Game Puzzles | 20% | — |
| DTBench | 82.9% | — |
| LMCA | 29.1% | — |
| Epoch Capabilities Index | 143.98 | — |
Math Qwen3.5 Max Preview leads
Qwen3.5-Flash: 37.4 (#158), Qwen3.5 Max Preview: 40.1 (#94)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | 1407 | 1474 |
| FrontierMath (Tiers 1-3) | 18.2% | — |
| OTIS Mock AIME 2024-2025 | 84.4% | — |
| FrontierMath (Feb 2025 set) | 6.2% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Qwen3.5-Flash leads
Qwen3.5-Flash: 43.2 (#93), Qwen3.5 Max Preview: 41.8 (#107)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1407 | 1489 |
| GPQA Diamond | 82.3% | — |
| SimpleQA Verified | 20.3% | — |
| Vectara Hallucination Rate | 10.5% | — |
Multilingual Qwen3.5 Max Preview leads
Qwen3.5-Flash: 50.5 (#121), Qwen3.5 Max Preview: 56.2 (#22)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1385 | 1465 |
| LMArena Chinese | 1446 | 1534 |
| LMArena French | 1412 | 1484 |
| LMArena German | 1390 | 1487 |
| LMArena Japanese | 1368 | 1495 |
| LMArena Korean | 1344 | 1438 |
| LMArena Russian | 1379 | 1471 |
| LMArena Spanish | 1400 | 1470 |
Instruction Following Qwen3.5 Max Preview leads
Qwen3.5-Flash: 72.6 (#139), Qwen3.5 Max Preview: 77.0 (#31)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1374 | 1467 |
Long Context Qwen3.5 Max Preview leads
Qwen3.5-Flash: 42.4 (#124), Qwen3.5 Max Preview: 45.2 (#45)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1392 | 1476 |
Writing & Preference Qwen3.5 Max Preview leads
Qwen3.5-Flash: 57.9 (#122), Qwen3.5 Max Preview: 66.0 (#41)
| Benchmark | Qwen3.5-Flash | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1397 | 1470 |
| LMArena Creative Writing | 1343 | 1464 |
| LMArena Multi-Turn | 1393 | 1478 |
Frequently asked questions
Is Qwen3.5-Flash better than Qwen3.5 Max Preview?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 42.5 on the Noometry Index.
Is Qwen3.5-Flash or Qwen3.5 Max Preview better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 34.2 in the Noometry coding category.
How many benchmarks do Qwen3.5-Flash and Qwen3.5 Max Preview share?
17 benchmarks have published results for both models. Qwen3.5-Flash has 32 scored results on Noometry and Qwen3.5 Max Preview has 17.