Model comparison
Mercury 2.5 vs Qwen2.5 Plus 1127
Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.8 to 33.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in math, where Qwen2.5 Plus 1127 leads 36.1 to 23.3.
Side by side
| Mercury 2.5 | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 33.5 | 38.8 |
| Released | 2026-09-08 | — |
| Weights | Proprietary | Proprietary |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 4 | 14 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Mercury 2.5 leads
Mercury 2.5: 39.5 (#156), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| SciCode | 38.5% | — |
| LMArena Coding | — | 1314 |
| ALE-Bench | 301.65 | — |
Reasoning Qwen2.5 Plus 1127 leads
Mercury 2.5: 22.4 (#193), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1299 |
Math Qwen2.5 Plus 1127 leads
Mercury 2.5: 23.3 (#272), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1298 |
Knowledge Not comparable
Mercury 2.5: —, Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | — | 1289 |
Multilingual Not comparable
Mercury 2.5: —, Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | — | 1265 |
| LMArena Chinese | — | 1314 |
| LMArena German | — | 1231 |
| LMArena Japanese | — | 1207 |
| LMArena Russian | — | 1271 |
Instruction Following Not comparable
Mercury 2.5: —, Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | — | 1275 |
Long Context Not comparable
Mercury 2.5: —, Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | — | 1292 |
Writing & Preference Not comparable
Mercury 2.5: —, Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | — | 1299 |
| LMArena Creative Writing | — | 1262 |
| LMArena Multi-Turn | — | 1299 |
Frequently asked questions
Is Mercury 2.5 better than Qwen2.5 Plus 1127?
Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.8 to 33.5 on the Noometry Index.
Is Mercury 2.5 or Qwen2.5 Plus 1127 better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 38.5 in the Noometry coding category.
How many benchmarks do Mercury 2.5 and Qwen2.5 Plus 1127 share?
0 benchmarks have published results for both models. Mercury 2.5 has 4 scored results on Noometry and Qwen2.5 Plus 1127 has 14.