Model comparison
Mercury vs Qwen1.5 4b Chat
Mercury is the stronger model overall, scoring 37.3 to 28.3 on the Noometry Index.
Last verified . 8 shared benchmarks.
Alibaba (Qwen)Summary
- They share 8 benchmarks with published results for both. Mercury scores higher in 5 categories and Qwen1.5 4b Chat in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury leads 46.2 to 23.9.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.
Side by side
| Mercury | Qwen1.5 4b Chat | |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 37.3 | 28.3 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 13 |
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Category by category
Coding Mercury leads
Mercury: 38.1 (#164), Qwen1.5 4b Chat: 28.6 (#305)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1323 | 999 |
Reasoning Too close to call
Mercury: 16.8 (#288), Qwen1.5 4b Chat: 17.7 (#277)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1284 | 976 |
| Kagi LLM Benchmark | 21.6% | — |
Math Not comparable
Mercury: —, Qwen1.5 4b Chat: 27.9 (#233)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | — | 1026 |
Knowledge Not comparable
Mercury: —, Qwen1.5 4b Chat: 26.2 (#252)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | — | 980 |
Multilingual Mercury leads
Mercury: 41.7 (#201), Qwen1.5 4b Chat: 24.2 (#285)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1259 | 979 |
| LMArena Chinese | — | 1024 |
| LMArena German | — | 902 |
| LMArena Russian | — | 952 |
Instruction Following Mercury leads
Mercury: 65.3 (#220), Qwen1.5 4b Chat: 49.3 (#295)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1238 | 979 |
Long Context Mercury leads
Mercury: 38.3 (#193), Qwen1.5 4b Chat: 30.1 (#285)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1264 | 988 |
Writing & Preference Mercury leads
Mercury: 46.2 (#216), Qwen1.5 4b Chat: 23.9 (#304)
| Benchmark | Mercury | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1282 | 997 |
| LMArena Creative Writing | 1186 | 969 |
| LMArena Multi-Turn | 1283 | 977 |
Frequently asked questions
Is Mercury better than Qwen1.5 4b Chat?
Mercury is the stronger model overall, scoring 37.3 to 28.3 on the Noometry Index.
Is Mercury or Qwen1.5 4b Chat better for coding?
Mercury scores higher on coding benchmarks: 38.1 versus 28.6 in the Noometry coding category.
How many benchmarks do Mercury and Qwen1.5 4b Chat share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Qwen1.5 4b Chat has 13.