# Mercury 2 vs Qwen Plus

> Mercury 2 is the stronger model overall, scoring 38.8 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mercury-2-vs-qwen-plus
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Mercury 2 scores higher in 5 categories and Qwen Plus in 2 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mercury 2 leads 35.6 to 27.4.
- Mercury 2 is cheaper at $0.25 / $0.75 per million input/output tokens, against $0.40 / $1.20 for Qwen Plus.
- Qwen Plus accepts more context: 1M tokens versus 128K.

## Snapshot

| | Mercury 2 | Qwen Plus |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 38.8 | 36.7 |
| Rank | 167 | 204 |
| Context | 128K | 1M |
| Input $/M | $0.25 | $0.40 |
| Output $/M | $0.75 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2: 33.2 (#250)
- Qwen Plus: 38.3 (#163)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Coding | 1391 | 1328 |
| LMArena WebDev | 1170 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| ALE-Bench | 785.58 | — |

## Reasoning

- Mercury 2: 23.0 (#170)
- Qwen Plus: 27.6 (#101)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1362 | 1317 |
| Kagi LLM Benchmark | — | 63.3% |
| CritPt | 0.8% | — |
| DTBench | — | 81.1% |
| LMCA | — | 24% |

## Math

- Mercury 2: —
- Qwen Plus: 22.0 (#266)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| LMArena Math | — | 1326 |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Mercury 2: 35.6 (#170)
- Qwen Plus: 27.4 (#245)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Expert | 1358 | 1328 |
| GPQA Diamond | — | 48.1% |
| Vectara Hallucination Rate | 12.3% | — |

## Multilingual

- Mercury 2: 46.8 (#153)
- Qwen Plus: 45.3 (#170)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1331 | 1310 |
| LMArena Chinese | 1416 | 1347 |
| LMArena Russian | 1303 | 1323 |
| LMArena Japanese | — | 1251 |

## Instruction Following

- Mercury 2: 70.4 (#161)
- Qwen Plus: 69.0 (#176)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1328 | 1303 |

## Long Context

- Mercury 2: 40.4 (#149)
- Qwen Plus: 40.3 (#153)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1329 | 1325 |

## Writing & Preference

- Mercury 2: 54.0 (#151)
- Qwen Plus: 52.4 (#171)

| Benchmark | Mercury 2 | Qwen Plus |
|---|---|---|
| LMArena Text | 1355 | 1326 |
| LMArena Creative Writing | 1289 | 1293 |
| LMArena Multi-Turn | 1358 | 1336 |

## FAQ

### Is Mercury 2 better than Qwen Plus?

Mercury 2 is the stronger model overall, scoring 38.8 to 36.7 on the Noometry Index.

### Which is cheaper, Mercury 2 or Qwen Plus?

Mercury 2 is cheaper. It lists at $0.25 per million input tokens and $0.75 per million output tokens; Qwen Plus lists at $0.40 and $1.20.

### Is Mercury 2 or Qwen Plus better for coding?

Qwen Plus scores higher on coding benchmarks: 38.3 versus 33.2 in the Noometry coding category.

### Which has the bigger context window?

Qwen Plus does, with 1M tokens against 128K.

### How many benchmarks do Mercury 2 and Qwen Plus share?

11 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Qwen Plus has 20.