Model comparison
Qwen Max vs Qwen3.5 Plus
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.7 on the Noometry Index.
Last verified . 3 shared benchmarks.
Alibaba (Qwen)Summary
- They share 3 benchmarks with published results for both. Qwen Max scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 22.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 16.1% for Qwen Max and 86.7% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1.60 / $6.40 for Qwen Max.
- Qwen3.5 Plus accepts more context: 1M tokens versus 33K.
Side by side
| Qwen Max | Qwen3.5 Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 34.7 | 42.9 |
| Released | 2024-04-03 | 2026-02-16 |
| Weights | Proprietary | Proprietary |
| Context window | 33K | 1M |
| Max output | 8K | 66K |
| Input $ / M tokens | $1.60 | $0.40 |
| Output $ / M tokens | $6.40 | $2.40 |
| Results tracked | 23 | 15 |
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Category by category
Coding Not comparable
Qwen Max: 30.7 (#292), Qwen3.5 Plus: —
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| Aider Polyglot | 21.8% | — |
| LMArena Coding | 1288 | — |
| ALE-Bench | — | 621.92 |
Agentic & Tool Use Not comparable
Qwen Max: —, Qwen3.5 Plus: —
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Qwen Max: 25.1 (#151), Qwen3.5 Plus: 32.8 (#74)
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1269 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.78 |
Math Qwen3.5 Plus leads
Qwen Max: 22.3 (#276), Qwen3.5 Plus: 49.6 (#61)
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.1% | 86.7% |
| FrontierMath (Feb 2025 set) | 1% | 21% |
| LMArena Math | 1275 | — |
| MATH Level 5 | 67.2% | — |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Qwen3.5 Plus leads
Qwen Max: 30.3 (#228), Qwen3.5 Plus: 46.0 (#83)
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 56.1% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1248 | — |
Multilingual Not comparable
Qwen Max: 41.8 (#202), Qwen3.5 Plus: —
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1263 | — |
| LMArena Chinese | 1254 | — |
| LMArena French | 1330 | — |
| LMArena German | 1254 | — |
| LMArena Japanese | 1205 | — |
| LMArena Korean | 1142 | — |
| LMArena Russian | 1274 | — |
| LMArena Spanish | 1290 | — |
Instruction Following Not comparable
Qwen Max: 66.5 (#208), Qwen3.5 Plus: —
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1262 | — |
Long Context Qwen3.5 Plus leads
Qwen Max: 39.4 (#180), Qwen3.5 Plus: 43.0 (#113)
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| Fiction.LiveBench | 66.7% | — |
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1288 | — |
Writing & Preference Not comparable
Qwen Max: 47.8 (#205), Qwen3.5 Plus: —
| Benchmark | Qwen Max | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1282 | — |
| LMArena Creative Writing | 1248 | — |
| LMArena Multi-Turn | 1277 | — |
Frequently asked questions
Is Qwen Max better than Qwen3.5 Plus?
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 34.7 on the Noometry Index.
Which is cheaper, Qwen Max or Qwen3.5 Plus?
Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Qwen Max lists at $1.60 and $6.40.
Which has the bigger context window?
Qwen3.5 Plus does, with 1M tokens against 33K.
How many benchmarks do Qwen Max and Qwen3.5 Plus share?
3 benchmarks have published results for both models. Qwen Max has 23 scored results on Noometry and Qwen3.5 Plus has 15.