Model comparison
Qwen1.5 4b Chat vs Yi-Lightning
Yi-Lightning is the stronger model overall, scoring 36.5 to 28.3 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 50.4 to 23.9.
- 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 | 28.3 | 36.5 |
| 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: 28.6 (#305), Yi-Lightning: 27.0 (#315)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Coding | 999 | 1313 |
| Aider Polyglot | — | 12.9% |
Reasoning Yi-Lightning leads
Qwen1.5 4b Chat: 17.7 (#277), Yi-Lightning: 24.9 (#137)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 976 | 1302 |
Math Yi-Lightning leads
Qwen1.5 4b Chat: 27.9 (#233), Yi-Lightning: 33.5 (#173)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Math | 1026 | 1300 |
Knowledge Yi-Lightning leads
Qwen1.5 4b Chat: 26.2 (#252), Yi-Lightning: 34.8 (#182)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Expert | 980 | 1286 |
Multilingual Yi-Lightning leads
Qwen1.5 4b Chat: 24.2 (#285), Yi-Lightning: 42.4 (#191)
| 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 | — | 1304 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |
Instruction Following Yi-Lightning leads
Qwen1.5 4b Chat: 49.3 (#295), Yi-Lightning: 67.6 (#191)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 979 | 1278 |
Long Context Yi-Lightning leads
Qwen1.5 4b Chat: 30.1 (#285), Yi-Lightning: 39.4 (#176)
| Benchmark | Qwen1.5 4b Chat | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 988 | 1297 |
Writing & Preference Yi-Lightning leads
Qwen1.5 4b Chat: 23.9 (#304), Yi-Lightning: 50.4 (#178)
| 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 36.5 to 28.3 on the Noometry Index.
Is Qwen1.5 4b Chat or Yi-Lightning better for coding?
Qwen1.5 4b Chat scores higher on coding benchmarks: 28.6 versus 27.0 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.