Model comparison
Hy4 preview vs Qwen2.5 Plus 1127
Hy4 preview is the stronger model overall, scoring 45.3 to 38.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Tencent
Alibaba (Qwen)Summary
- The widest gap is in math, where Hy4 preview leads 55.7 to 36.1.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Hy4 preview | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | Tencent | Alibaba (Qwen) |
| Noometry Index | 45.3 | 38.8 |
| Released | 2026-08-28 | — |
| Weights | Open | Proprietary |
| Context window | 1.05M | — |
| Max output | 64K | — |
| Input $ / M tokens | $0.83 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 3 | 14 |
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Category by category
Coding Hy4 preview leads
Hy4 preview: 51.6 (#38), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena WebDev | 1632 | — |
| LMArena Coding | — | 1314 |
Reasoning Hy4 preview leads
Hy4 preview: 31.9 (#79), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| NYT Connections (extended) | 68.2% | — |
| LMArena Hard Prompts | — | 1299 |
Math Hy4 preview leads
Hy4 preview: 55.7 (#42), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| ProofBench | 75% | — |
| LMArena Math | — | 1298 |
Knowledge Not comparable
Hy4 preview: —, Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | — | 1289 |
Multilingual Not comparable
Hy4 preview: —, Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | — | 1265 |
| LMArena Chinese | — | 1314 |
| LMArena German | — | 1231 |
| LMArena Japanese | — | 1207 |
| LMArena Russian | — | 1271 |
Instruction Following Not comparable
Hy4 preview: —, Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | — | 1275 |
Long Context Not comparable
Hy4 preview: —, Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | — | 1292 |
Writing & Preference Not comparable
Hy4 preview: —, Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | Hy4 preview | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | — | 1299 |
| LMArena Creative Writing | — | 1262 |
| LMArena Multi-Turn | — | 1299 |
Frequently asked questions
Is Hy4 preview better than Qwen2.5 Plus 1127?
Hy4 preview is the stronger model overall, scoring 45.3 to 38.8 on the Noometry Index.
Is Hy4 preview or Qwen2.5 Plus 1127 better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 38.5 in the Noometry coding category.
How many benchmarks do Hy4 preview and Qwen2.5 Plus 1127 share?
0 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Qwen2.5 Plus 1127 has 14.