Model comparison
Qwen3.5 Plus vs Qwen3.6 Plus
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 42.9 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Qwen3.5 Plus scores higher in 1 category and Qwen3.6 Plus in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Plus leads 56.1 to 46.0.
- The biggest single-benchmark swing is SimpleQA Verified: 25.4% for Qwen3.5 Plus and 44.1% for Qwen3.6 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $0.50 / $3 for Qwen3.6 Plus.
Side by side
| Qwen3.5 Plus | Qwen3.6 Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 42.9 | 47.5 |
| Released | 2026-02-16 | 2026-03-31 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 1M |
| Max output | 66K | 66K |
| Input $ / M tokens | $0.40 | $0.50 |
| Output $ / M tokens | $2.40 | $3 |
| Results tracked | 15 | 37 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Qwen3.5 Plus: —, Qwen3.6 Plus: 40.8 (#130)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| ALE-Bench | 621.92 | 670.15 |
| SWE-bench Verified | — | 57.9% |
| LMArena WebDev | — | 1461 |
| SciCode | — | 40.7% |
| LMArena Coding | — | 1467 |
Agentic & Tool Use Not comparable
Qwen3.5 Plus: —, Qwen3.6 Plus: —
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| Vending-Bench 2 | 0.54 | 5,115 |
Reasoning Qwen3.5 Plus leads
Qwen3.5 Plus: 32.8 (#74), Qwen3.6 Plus: 29.3 (#93)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| Chess Puzzles | 22% | 17% |
| Mystery Game Puzzles | 17% | 12% |
| DTBench | 80.5% | 81.9% |
| LMCA | 36.4% | 33.1% |
| Epoch Capabilities Index | 146.78 | 147.65 |
| NYT Connections (extended) | — | 60.3% |
| CritPt | — | 2.9% |
| Thematic Generalization | — | 59.5% |
| LMArena Hard Prompts | — | 1449 |
Math Qwen3.6 Plus leads
Qwen3.5 Plus: 49.6 (#61), Qwen3.6 Plus: 51.8 (#54)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | 93.3% |
| FrontierMath (Feb 2025 set) | 21% | 26.2% |
| FrontierMath Tier 4 (v1) | 2.1% | 8.3% |
| FrontierMath (Tiers 1-3) | — | 38.2% |
| LMArena Math | — | 1450 |
Knowledge Qwen3.6 Plus leads
Qwen3.5 Plus: 46.0 (#83), Qwen3.6 Plus: 56.1 (#45)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| GPQA Diamond | 84.8% | 88.4% |
| SimpleQA Verified | 25.4% | 44.1% |
| Vectara Hallucination Rate | 10.7% | — |
| LMArena Expert | — | 1454 |
Multilingual Not comparable
Qwen3.5 Plus: —, Qwen3.6 Plus: 53.3 (#70)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| LMArena Non-English | — | 1424 |
| LMArena Chinese | — | 1477 |
| LMArena French | — | 1455 |
| LMArena German | — | 1452 |
| LMArena Japanese | — | 1389 |
| LMArena Korean | — | 1379 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1432 |
Instruction Following Not comparable
Qwen3.5 Plus: —, Qwen3.6 Plus: 75.0 (#74)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| LMArena Instruction Following | — | 1425 |
Long Context Qwen3.6 Plus leads
Qwen3.5 Plus: 43.0 (#113), Qwen3.6 Plus: 45.2 (#49)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| CL-bench | 19.8% | 20.3% |
| CL-bench Life | 12.4% | — |
| LMArena Longer Query | — | 1439 |
Writing & Preference Not comparable
Qwen3.5 Plus: —, Qwen3.6 Plus: 62.2 (#82)
| Benchmark | Qwen3.5 Plus | Qwen3.6 Plus |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1404 |
| LMArena Multi-Turn | — | 1438 |
Frequently asked questions
Is Qwen3.5 Plus better than Qwen3.6 Plus?
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 42.9 on the Noometry Index.
Which is cheaper, Qwen3.5 Plus or Qwen3.6 Plus?
Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Qwen3.6 Plus lists at $0.50 and $3.
Which has the bigger context window?
Both accept 1M tokens.
How many benchmarks do Qwen3.5 Plus and Qwen3.6 Plus share?
13 benchmarks have published results for both models. Qwen3.5 Plus has 15 scored results on Noometry and Qwen3.6 Plus has 37.