Model comparison
Mercury 2 vs Qwen3.5 Max Preview
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.1 on the Noometry Index.
Last verified . 11 shared benchmarks.
Alibaba (Qwen)Summary
- They share 11 benchmarks with published results for both. Mercury 2 scores higher in 0 categories and Qwen3.5 Max Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen3.5 Max Preview leads 66.0 to 53.8.
Side by side
| Mercury 2 | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 39.1 | 45.3 |
| 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 | 17 | 17 |
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Category by category
Coding Qwen3.5 Max Preview leads
Mercury 2: 33.5 (#255), Qwen3.5 Max Preview: 44.0 (#77)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1391 | 1487 |
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| ALE-Bench | 785.58 | — |
Reasoning Qwen3.5 Max Preview leads
Mercury 2: 23.8 (#170), Qwen3.5 Max Preview: 30.8 (#84)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1362 | 1483 |
| CritPt | 0.8% | — |
Math Not comparable
Mercury 2: —, Qwen3.5 Max Preview: 40.1 (#94)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | — | 1474 |
Knowledge Qwen3.5 Max Preview leads
Mercury 2: 36.2 (#172), Qwen3.5 Max Preview: 41.8 (#107)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1358 | 1489 |
| Vectara Hallucination Rate | 12.3% | — |
Multilingual Qwen3.5 Max Preview leads
Mercury 2: 46.6 (#157), Qwen3.5 Max Preview: 56.2 (#22)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1331 | 1465 |
| LMArena Chinese | 1417 | 1534 |
| LMArena Russian | 1304 | 1471 |
| LMArena French | — | 1484 |
| LMArena German | — | 1487 |
| LMArena Japanese | — | 1495 |
| LMArena Korean | — | 1438 |
| LMArena Spanish | — | 1470 |
Instruction Following Qwen3.5 Max Preview leads
Mercury 2: 70.2 (#165), Qwen3.5 Max Preview: 77.0 (#31)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1329 | 1467 |
Long Context Qwen3.5 Max Preview leads
Mercury 2: 40.5 (#154), Qwen3.5 Max Preview: 45.2 (#45)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1330 | 1476 |
Writing & Preference Qwen3.5 Max Preview leads
Mercury 2: 53.8 (#155), Qwen3.5 Max Preview: 66.0 (#41)
| Benchmark | Mercury 2 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1355 | 1470 |
| LMArena Creative Writing | 1289 | 1464 |
| LMArena Multi-Turn | 1358 | 1478 |
Frequently asked questions
Is Mercury 2 better than Qwen3.5 Max Preview?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.1 on the Noometry Index.
Is Mercury 2 or Qwen3.5 Max Preview better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 33.5 in the Noometry coding category.
How many benchmarks do Mercury 2 and Qwen3.5 Max Preview share?
11 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Qwen3.5 Max Preview has 17.