Model comparison
Qwen Plus vs Yi-1.5-34B
Qwen Plus is the stronger model overall, scoring 37.1 to 30.6 on the Noometry Index.
Last verified . 15 shared benchmarks.
Alibaba (Qwen)Summary
- They share 15 benchmarks with published results for both. Qwen Plus scores higher in 7 categories and Yi-1.5-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen Plus leads 52.2 to 37.4.
- The biggest single-benchmark swing is MATH Level 5: 65.3% for Qwen Plus and 25.5% for Yi-1.5-34B.
- Yi-1.5-34B has downloadable open weights; the other is API-only.
Side by side
| Qwen Plus | Yi-1.5-34B | |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 37.1 | 30.6 |
| Released | 2024-01-25 | 2024-05-13 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 33K | — |
| Input $ / M tokens | $0.40 | — |
| Output $ / M tokens | $1.20 | — |
| Results tracked | 20 | 21 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Qwen Plus leads
Qwen Plus: 38.9 (#167), Yi-1.5-34B: 32.4 (#272)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1328 | 1169 |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
Reasoning Qwen Plus leads
Qwen Plus: 28.4 (#107), Yi-1.5-34B: 22.5 (#191)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1317 | 1160 |
| Kagi LLM Benchmark | 63.3% | — |
| DTBench | 81.1% | — |
| LMCA | 24% | — |
Math Yi-1.5-34B leads
Qwen Plus: 23.3 (#271), Yi-1.5-34B: 27.5 (#249)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1326 | 1182 |
| MATH Level 5 | 65.3% | 25.5% |
| OTIS Mock AIME 2024-2025 | 17.8% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |
Knowledge Qwen Plus leads
Qwen Plus: 27.4 (#251), Yi-1.5-34B: 14.8 (#295)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 48.1% | 32% |
| LMArena Expert | 1328 | 1144 |
Multilingual Qwen Plus leads
Qwen Plus: 45.1 (#175), Yi-1.5-34B: 32.3 (#256)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1310 | 1121 |
| LMArena Chinese | 1347 | 1213 |
| LMArena Japanese | 1251 | 1021 |
| LMArena Russian | 1323 | 1091 |
| LMArena French | — | 1156 |
| LMArena German | — | 1111 |
| LMArena Korean | — | 1005 |
| LMArena Spanish | — | 1121 |
Instruction Following Qwen Plus leads
Qwen Plus: 68.8 (#181), Yi-1.5-34B: 59.2 (#257)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1303 | 1139 |
Long Context Qwen Plus leads
Qwen Plus: 40.3 (#158), Yi-1.5-34B: 34.6 (#248)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1324 | 1143 |
Writing & Preference Qwen Plus leads
Qwen Plus: 52.2 (#176), Yi-1.5-34B: 37.4 (#257)
| Benchmark | Qwen Plus | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1326 | 1173 |
| LMArena Creative Writing | 1293 | 1135 |
| LMArena Multi-Turn | 1336 | 1153 |
Frequently asked questions
Is Qwen Plus better than Yi-1.5-34B?
Qwen Plus is the stronger model overall, scoring 37.1 to 30.6 on the Noometry Index.
Is Qwen Plus or Yi-1.5-34B better for coding?
Qwen Plus scores higher on coding benchmarks: 38.9 versus 32.4 in the Noometry coding category.
How many benchmarks do Qwen Plus and Yi-1.5-34B share?
15 benchmarks have published results for both models. Qwen Plus has 20 scored results on Noometry and Yi-1.5-34B has 21.