Model comparison
Hunyuan Vision 1.5 vs Mercury 2
Hunyuan Vision 1.5 is the stronger model overall, scoring 43.1 to 39.1 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 6 categories and Mercury 2 in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hunyuan Vision 1.5 leads 41.8 to 33.5.
Side by side
| Hunyuan Vision 1.5 | Mercury 2 | |
|---|---|---|
| Provider | Tencent | Inception |
| Noometry Index | 43.1 | 39.1 |
| Released | — | 2026-02-20 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 50K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.75 |
| Results tracked | 9 | 17 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 41.8 (#119), Mercury 2: 33.5 (#255)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Coding | 1418 | 1391 |
| LMArena WebDev | — | 1171 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| ALE-Bench | — | 785.58 |
Reasoning Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 28.9 (#97), Mercury 2: 23.8 (#170)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Hard Prompts | 1416 | 1362 |
| CritPt | — | 0.8% |
Knowledge Not comparable
Hunyuan Vision 1.5: —, Mercury 2: 36.2 (#172)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |
Multimodal Not comparable
Hunyuan Vision 1.5: 35.7 (#84), Mercury 2: —
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Vision | 1180 | — |
Multilingual Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 50.3 (#125), Mercury 2: 46.6 (#157)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Non-English | 1382 | 1331 |
| LMArena Chinese | — | 1417 |
| LMArena Russian | — | 1304 |
Instruction Following Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 73.7 (#117), Mercury 2: 70.2 (#165)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | 1397 | 1329 |
Long Context Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 42.9 (#115), Mercury 2: 40.5 (#154)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Longer Query | 1404 | 1330 |
Writing & Preference Hunyuan Vision 1.5 leads
Hunyuan Vision 1.5: 60.1 (#100), Mercury 2: 53.8 (#155)
| Benchmark | Hunyuan Vision 1.5 | Mercury 2 |
|---|---|---|
| LMArena Text | 1405 | 1355 |
| LMArena Creative Writing | 1388 | 1289 |
| LMArena Multi-Turn | 1422 | 1358 |
Frequently asked questions
Is Hunyuan Vision 1.5 better than Mercury 2?
Hunyuan Vision 1.5 is the stronger model overall, scoring 43.1 to 39.1 on the Noometry Index.
Is Hunyuan Vision 1.5 or Mercury 2 better for coding?
Hunyuan Vision 1.5 scores higher on coding benchmarks: 41.8 versus 33.5 in the Noometry coding category.
How many benchmarks do Hunyuan Vision 1.5 and Mercury 2 share?
8 benchmarks have published results for both models. Hunyuan Vision 1.5 has 9 scored results on Noometry and Mercury 2 has 17.