# Mercury 2 vs Nova 2.0 Pro Preview

> Mercury 2 is the stronger model overall, scoring 39.1 to 33.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mercury-2-vs-nova-2-0-pro-preview
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Mercury 2 scores higher in 1 category and Nova 2.0 Pro Preview in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where Nova 2.0 Pro Preview leads 40.8 to 33.5.

## Snapshot

| | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| Provider | Inception | Amazon |
| Noometry Index | 39.1 | 33.4 |
| Rank | 175 | 244 |
| Context | 128K | — |
| Input $/M | $0.25 | — |
| Output $/M | $0.75 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2: 33.5 (#255)
- Nova 2.0 Pro Preview: 40.8 (#133)

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | 38.7% | 42.7% |
| LMArena WebDev | 1171 | — |
| WeirdML | 43.2% | — |
| LMArena Coding | 1391 | — |
| ALE-Bench | 785.58 | — |

## Agentic & Tool Use

- Mercury 2: —
- Nova 2.0 Pro Preview: 21.9 (#136)

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |

## Reasoning

- Mercury 2: 23.8 (#170)
- Nova 2.0 Pro Preview: 22.4 (#194)

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 0.8% | 0% |
| LMArena Hard Prompts | 1362 | — |

## Knowledge

- Mercury 2: 36.2 (#172)
- Nova 2.0 Pro Preview: —

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| Vectara Hallucination Rate | 12.3% | — |
| LMArena Expert | 1358 | — |

## Multilingual

- Mercury 2: 46.6 (#157)
- Nova 2.0 Pro Preview: —

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1331 | — |
| LMArena Chinese | 1417 | — |
| LMArena Russian | 1304 | — |

## Instruction Following

- Mercury 2: 70.2 (#165)
- Nova 2.0 Pro Preview: —

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1329 | — |

## Long Context

- Mercury 2: 40.5 (#154)
- Nova 2.0 Pro Preview: —

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1330 | — |

## Writing & Preference

- Mercury 2: 53.8 (#155)
- Nova 2.0 Pro Preview: —

| Benchmark | Mercury 2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1355 | — |
| LMArena Creative Writing | 1289 | — |
| LMArena Multi-Turn | 1358 | — |

## FAQ

### Is Mercury 2 better than Nova 2.0 Pro Preview?

Mercury 2 is the stronger model overall, scoring 39.1 to 33.4 on the Noometry Index.

### Is Mercury 2 or Nova 2.0 Pro Preview better for coding?

Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 33.5 in the Noometry coding category.

### How many benchmarks do Mercury 2 and Nova 2.0 Pro Preview share?

2 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Nova 2.0 Pro Preview has 3.