Model comparison
Hunyuan Vision 1.5 vs Longcat Flash Chat
Hunyuan Vision 1.5 is the stronger model overall, scoring 42.6 to 41.5 on the Noometry Index.
Last verified . 8 shared benchmarks.
TencentSummary
- They share 8 benchmarks with published results for both. Hunyuan Vision 1.5 scores higher in 1 category and Longcat Flash Chat in 5 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Hunyuan Vision 1.5 leads 27.8 to 18.3.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Hunyuan Vision 1.5 | Longcat Flash Chat | |
|---|---|---|
| Provider | Tencent | Meituan |
| Noometry Index | 42.6 | 41.5 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Hunyuan Vision 1.5: 41.2 (#119), Longcat Flash Chat: 42.9 (#85)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1419 | 1471 |
Reasoning Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 27.8 (#96), Longcat Flash Chat: 18.3 (#267)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1417 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Not comparable
Hunyuan Vision 1.5: —, Longcat Flash Chat: 36.6 (#107)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Math | — | 1441 |
Knowledge Not comparable
Hunyuan Vision 1.5: —, Longcat Flash Chat: 40.0 (#111)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | — | 1454 |
Multimodal Not comparable
Hunyuan Vision 1.5: 35.1 (#78), Longcat Flash Chat: —
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Vision | 1180 | — |
Multilingual Longcat Flash Chat leads
Hunyuan Vision 1.5: 50.5 (#118), Longcat Flash Chat: 52.1 (#95)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1383 | 1404 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1457 |
| LMArena German | — | 1409 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1372 |
| LMArena Russian | — | 1396 |
| LMArena Spanish | — | 1445 |
Instruction Following Too close to call
Hunyuan Vision 1.5: 73.9 (#110), Longcat Flash Chat: 74.6 (#92)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1398 | 1411 |
Long Context Too close to call
Hunyuan Vision 1.5: 42.9 (#110), Longcat Flash Chat: 43.5 (#89)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1405 | 1425 |
Writing & Preference Too close to call
Hunyuan Vision 1.5: 60.4 (#95), Longcat Flash Chat: 61.2 (#88)
| Benchmark | Hunyuan Vision 1.5 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1407 | 1427 |
| LMArena Creative Writing | 1389 | 1388 |
| LMArena Multi-Turn | 1423 | 1418 |
Frequently asked questions
Is Hunyuan Vision 1.5 better than Longcat Flash Chat?
Hunyuan Vision 1.5 is the stronger model overall, scoring 42.6 to 41.5 on the Noometry Index.
Is Hunyuan Vision 1.5 or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 41.2 in the Noometry coding category.
How many benchmarks do Hunyuan Vision 1.5 and Longcat Flash Chat share?
8 benchmarks have published results for both models. Hunyuan Vision 1.5 has 9 scored results on Noometry and Longcat Flash Chat has 19.