Model comparison
Qwen3.5 Plus vs Yi-Lightning
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 37.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 36.2.
Side by side
| Qwen3.5 Plus | Yi-Lightning | |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 42.9 | 37.1 |
| Released | 2026-02-16 | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.40 | — |
| Output $ / M tokens | $2.40 | — |
| Results tracked | 15 | 18 |
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Category by category
Coding Not comparable
Qwen3.5 Plus: —, Yi-Lightning: 27.4 (#320)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| LMArena Coding | — | 1312 |
| ALE-Bench | 621.92 | — |
Agentic & Tool Use Not comparable
Qwen3.5 Plus: —, Yi-Lightning: —
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Vending-Bench 2 | 0.54 | — |
Reasoning Qwen3.5 Plus leads
Qwen3.5 Plus: 32.8 (#74), Yi-Lightning: 25.9 (#139)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Chess Puzzles | 22% | — |
| LMArena Hard Prompts | — | 1302 |
| Mystery Game Puzzles | 17% | — |
| DTBench | 80.5% | — |
| LMCA | 36.4% | — |
| Epoch Capabilities Index | 146.78 | — |
Math Qwen3.5 Plus leads
Qwen3.5 Plus: 49.6 (#61), Yi-Lightning: 36.2 (#172)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| LMArena Math | — | 1300 |
| FrontierMath (Feb 2025 set) | 21% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Qwen3.5 Plus leads
Qwen3.5 Plus: 46.0 (#83), Yi-Lightning: 35.4 (#185)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| GPQA Diamond | 84.8% | — |
| SimpleQA Verified | 25.4% | — |
| Vectara Hallucination Rate | 10.7% | — |
| LMArena Expert | — | 1286 |
Multilingual Not comparable
Qwen3.5 Plus: —, Yi-Lightning: 42.2 (#196)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |
Instruction Following Not comparable
Qwen3.5 Plus: —, Yi-Lightning: 67.4 (#196)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |
Long Context Qwen3.5 Plus leads
Qwen3.5 Plus: 43.0 (#113), Yi-Lightning: 39.4 (#181)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| CL-bench | 19.8% | — |
| CL-bench Life | 12.4% | — |
| LMArena Longer Query | — | 1297 |
Writing & Preference Not comparable
Qwen3.5 Plus: —, Yi-Lightning: 50.2 (#184)
| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |
Frequently asked questions
Is Qwen3.5 Plus better than Yi-Lightning?
Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 37.1 on the Noometry Index.
How many benchmarks do Qwen3.5 Plus and Yi-Lightning share?
0 benchmarks have published results for both models. Qwen3.5 Plus has 15 scored results on Noometry and Yi-Lightning has 18.