# Mercury 2.5 vs Qwen2.5 Plus 1127

> Qwen2.5 Plus 1127 has enough public results to be ranked (#179); Mercury 2.5 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/mercury-2-5-vs-qwen2-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Qwen2.5 Plus 1127 leads 33.5 to 22.4.

## Snapshot

| | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 30.2 | 38.1 |
| Rank | — | 179 |
| Context | 260K | — |
| Input $/M | $0.04 | — |
| Output $/M | $0.15 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 37.9 (#171)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | — | 1314 |
| ALE-Bench | 301.65 | — |

## Reasoning

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 24.8 (#139)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | — | 1299 |

## Math

- Mercury 2.5: 22.4
- Qwen2.5 Plus 1127: 33.5 (#175)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1298 |

## Knowledge

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 34.9 (#179)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | — | 1289 |

## Multilingual

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 42.1 (#196)

| 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

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 67.4 (#194)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | — | 1275 |

## Long Context

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 39.2 (#180)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | — | 1292 |

## Writing & Preference

- Mercury 2.5: —
- Qwen2.5 Plus 1127: 49.5 (#186)

| Benchmark | Mercury 2.5 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | — | 1299 |
| LMArena Creative Writing | — | 1262 |
| LMArena Multi-Turn | — | 1299 |

## FAQ

### Is Mercury 2.5 better than Qwen2.5 Plus 1127?

Qwen2.5 Plus 1127 has enough public results to be ranked (#179); Mercury 2.5 does not yet, so treat this comparison as directional.

### 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 2 scored results on Noometry and Qwen2.5 Plus 1127 has 14.