Model comparison
Qwen1.5 4b Chat vs Yi-Lightning
Yi-Lightning is the stronger model overall, scoring 37.1 to 28.8 on the Noometry Index.
Last verified . 13 shared benchmarks.
Alibaba (Qwen)Summary
- They share 13 benchmarks with published results for both. Qwen1.5 4b Chat scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Yi-Lightning leads 50.2 to 23.8.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.
Side by side
| Qwen1.5 4b Chat | Yi-Lightning | |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 28.8 | 37.1 |
| Released | — | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 13 | 18 |
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Category by category
Coding Qwen1.5 4b Chat leads
Qwen1.5 4b Chat: 29.1 (#308), Yi-Lightning: 27.4 (#320)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Coding | 999 | 1312 |
| Aider Polyglot | — | 12.9% |
Reasoning Yi-Lightning leads
Qwen1.5 4b Chat: 18.5 (#279), Yi-Lightning: 25.9 (#139)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 976 | 1302 |
Math Yi-Lightning leads
Qwen1.5 4b Chat: 30.4 (#234), Yi-Lightning: 36.2 (#172)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Math | 1026 | 1300 |
Knowledge Yi-Lightning leads
Qwen1.5 4b Chat: 26.7 (#255), Yi-Lightning: 35.4 (#185)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Expert | 980 | 1286 |
Multilingual Yi-Lightning leads
Qwen1.5 4b Chat: 24.1 (#290), Yi-Lightning: 42.2 (#196)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 979 | 1269 |
| LMArena Chinese | 1024 | 1320 |
| LMArena German | 902 | 1267 |
| LMArena Russian | 952 | 1255 |
| LMArena French | — | 1305 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |
Instruction Following Yi-Lightning leads
Qwen1.5 4b Chat: 49.0 (#300), Yi-Lightning: 67.4 (#196)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 978 | 1278 |
Long Context Yi-Lightning leads
Qwen1.5 4b Chat: 30.1 (#290), Yi-Lightning: 39.4 (#181)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 988 | 1297 |
Writing & Preference Yi-Lightning leads
Qwen1.5 4b Chat: 23.8 (#309), Yi-Lightning: 50.2 (#184)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Text | 997 | 1302 |
| LMArena Creative Writing | 969 | 1280 |
| LMArena Multi-Turn | 977 | 1311 |
Frequently asked questions
Is Qwen1.5 4b Chat better than Yi-Lightning?
Yi-Lightning is the stronger model overall, scoring 37.1 to 28.8 on the Noometry Index.
Is Qwen1.5 4b Chat or Yi-Lightning better for coding?
Qwen1.5 4b Chat scores higher on coding benchmarks: 29.1 versus 27.4 in the Noometry coding category.
How many benchmarks do Qwen1.5 4b Chat and Yi-Lightning share?
13 benchmarks have published results for both models. Qwen1.5 4b Chat has 13 scored results on Noometry and Yi-Lightning has 18.