# Hy3 vs Mercury

> Hy3 is the stronger model overall, scoring 44.2 to 37.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hy3-vs-mercury
- Last updated: 2026-10-12
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Hy3 scores higher in 6 categories and Mercury in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Hy3 leads 62.2 to 46.2.
- Hy3 has downloadable open weights; the other is API-only.

## Snapshot

| | Hy3 | Mercury |
|---|---|---|
| Provider | Tencent | Inception |
| Noometry Index | 44.2 | 37.6 |
| Rank | 79 | 199 |
| Context | 262K | — |
| Input $/M | $0.13 | — |
| Output $/M | $0.53 | — |
| Weights | Open | Proprietary |

## Coding

- Hy3: 46.8 (#63)
- Mercury: 38.7 (#170)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Coding | 1464 | 1322 |
| LMArena WebDev | 1508 | — |

## Reasoning

- Hy3: 26.1 (#136)
- Mercury: 17.5 (#293)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1447 | 1285 |
| Kagi LLM Benchmark | — | 21.6% |
| NYT Connections (extended) | 41.2% | — |

## Math

- Hy3: 40.1 (#93)
- Mercury: —

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Math | 1475 | — |

## Knowledge

- Hy3: 40.8 (#114)
- Mercury: —

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Expert | 1460 | — |

## Multilingual

- Hy3: 53.5 (#65)
- Mercury: 41.6 (#206)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Non-English | 1426 | 1260 |
| LMArena Chinese | 1493 | — |
| LMArena French | 1461 | — |
| LMArena German | 1439 | — |
| LMArena Japanese | 1392 | — |
| LMArena Korean | 1395 | — |
| LMArena Russian | 1432 | — |
| LMArena Spanish | 1456 | — |

## Instruction Following

- Hy3: 75.1 (#70)
- Mercury: 65.2 (#224)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Instruction Following | 1426 | 1239 |

## Long Context

- Hy3: 44.1 (#75)
- Mercury: 38.4 (#198)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Longer Query | 1442 | 1266 |

## Writing & Preference

- Hy3: 62.2 (#81)
- Mercury: 46.2 (#221)

| Benchmark | Hy3 | Mercury |
|---|---|---|
| LMArena Text | 1439 | 1282 |
| LMArena Creative Writing | 1402 | 1191 |
| LMArena Multi-Turn | 1436 | 1282 |

## FAQ

### Is Hy3 better than Mercury?

Hy3 is the stronger model overall, scoring 44.2 to 37.6 on the Noometry Index.

### Is Hy3 or Mercury better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 38.7 in the Noometry coding category.

### How many benchmarks do Hy3 and Mercury share?

8 benchmarks have published results for both models. Hy3 has 19 scored results on Noometry and Mercury has 9.