Model comparison
Qwen1.5-110B vs Qwen3.5 Plus
Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 33.6 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 31.1.
- Qwen1.5-110B has downloadable open weights; the other is API-only.
Side by side
| Qwen1.5-110B | Qwen3.5 Plus | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 33.6 | 42.3 |
| Released | 2024-04-25 | 2026-02-16 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 20 | 15 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Qwen1.5-110B: 32.4 (#260), Qwen3.5 Plus: —
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| BigCodeBench Instruct | 35% | — |
| LMArena Coding | 1184 | — |
| BigCodeBench Complete | 44.4% | — |
| ALE-Bench | — | 621.92 |
Agentic & Tool Use Not comparable
Qwen1.5-110B: —, Qwen3.5 Plus: —
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Qwen1.5-110B: 21.7 (#192), Qwen3.5 Plus: 32.0 (#67)
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1168 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.79 |
| ForecastBench | 57.7 | — |
Math Qwen3.5 Plus leads
Qwen1.5-110B: 31.1 (#199), Qwen3.5 Plus: 47.9 (#55)
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1185 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Qwen3.5 Plus leads
Qwen1.5-110B: 30.7 (#217), Qwen3.5 Plus: 46.0 (#78)
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1144 | — |
Multilingual Not comparable
Qwen1.5-110B: 33.8 (#245), Qwen3.5 Plus: —
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1142 | — |
| LMArena Chinese | 1206 | — |
| LMArena French | 1150 | — |
| LMArena German | 1123 | — |
| LMArena Japanese | 1074 | — |
| LMArena Korean | 1044 | — |
| LMArena Russian | 1118 | — |
| LMArena Spanish | 1141 | — |
Instruction Following Not comparable
Qwen1.5-110B: 60.6 (#247), Qwen3.5 Plus: —
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1158 | — |
Long Context Qwen3.5 Plus leads
Qwen1.5-110B: 35.0 (#237), Qwen3.5 Plus: 42.9 (#109)
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1157 | — |
Writing & Preference Not comparable
Qwen1.5-110B: 38.1 (#250), Qwen3.5 Plus: —
| Benchmark | Qwen1.5-110B | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1175 | — |
| LMArena Creative Writing | 1148 | — |
| LMArena Multi-Turn | 1160 | — |
Frequently asked questions
Is Qwen1.5-110B better than Qwen3.5 Plus?
Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 33.6 on the Noometry Index.
How many benchmarks do Qwen1.5-110B and Qwen3.5 Plus share?
0 benchmarks have published results for both models. Qwen1.5-110B has 20 scored results on Noometry and Qwen3.5 Plus has 15.