Model comparison
Hunyuan Vision 1.5 vs Hy4 preview
Hy4 preview is the stronger model overall, scoring 44.6 to 42.6 on the Noometry Index.
Last verified . 0 shared benchmarks.
TencentSummary
- The widest gap is in coding, where Hy4 preview leads 51.4 to 41.2.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| Hunyuan Vision 1.5 | Hy4 preview | |
|---|---|---|
| Provider | Tencent | Tencent |
| Noometry Index | 42.6 | 44.6 |
| Released | — | 2026-08-28 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.83 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 9 | 3 |
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Category by category
Coding Hy4 preview leads
Hunyuan Vision 1.5: 41.2 (#119), Hy4 preview: 51.4 (#36)
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena WebDev | — | 1633 |
| LMArena Coding | 1419 | — |
Reasoning Hy4 preview leads
Hunyuan Vision 1.5: 27.8 (#96), Hy4 preview: 30.6 (#75)
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| NYT Connections (extended) | — | 68.2% |
| LMArena Hard Prompts | 1417 | — |
Math Not comparable
Hunyuan Vision 1.5: —, Hy4 preview: 54.5 (#37)
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| ProofBench | — | 75% |
Multimodal Not comparable
Hunyuan Vision 1.5: 35.1 (#78), Hy4 preview: —
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena Vision | 1180 | — |
Multilingual Not comparable
Hunyuan Vision 1.5: 50.5 (#118), Hy4 preview: —
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1383 | — |
Instruction Following Not comparable
Hunyuan Vision 1.5: 73.9 (#110), Hy4 preview: —
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena Instruction Following | 1398 | — |
Long Context Not comparable
Hunyuan Vision 1.5: 42.9 (#110), Hy4 preview: —
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1405 | — |
Writing & Preference Not comparable
Hunyuan Vision 1.5: 60.4 (#95), Hy4 preview: —
| Benchmark | Hunyuan Vision 1.5 | Hy4 preview |
|---|---|---|
| LMArena Text | 1407 | — |
| LMArena Creative Writing | 1389 | — |
| LMArena Multi-Turn | 1423 | — |
Frequently asked questions
Is Hunyuan Vision 1.5 better than Hy4 preview?
Hy4 preview is the stronger model overall, scoring 44.6 to 42.6 on the Noometry Index.
Is Hunyuan Vision 1.5 or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.4 versus 41.2 in the Noometry coding category.
How many benchmarks do Hunyuan Vision 1.5 and Hy4 preview share?
0 benchmarks have published results for both models. Hunyuan Vision 1.5 has 9 scored results on Noometry and Hy4 preview has 3.