# Claude 2 vs Mercury 2

> Mercury 2 is the stronger model overall, scoring 38.8 to 24.7 on the Noometry Index.

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

## Summary

- The widest gap is in knowledge, where Mercury 2 leads 35.6 to 17.0.

## Snapshot

| | Claude 2 | Mercury 2 |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 24.7 | 38.8 |
| Rank | 342 | 167 |
| Context | — | 128K |
| Input $/M | — | $0.25 |
| Output $/M | — | $0.75 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- Mercury 2: 33.2 (#250)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena WebDev | — | 1170 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| LMArena Coding | — | 1391 |
| ALE-Bench | — | 785.58 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 20.8 (#213)
- Mercury 2: 23.0 (#170)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| CritPt | — | 0.8% |
| LMArena Hard Prompts | — | 1362 |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.08 | — |

## Math

- Claude 2: 8.7 (#314)
- Mercury 2: —

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 17.0 (#282)
- Mercury 2: 35.6 (#170)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## Multilingual

- Claude 2: —
- Mercury 2: 46.8 (#153)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Non-English | — | 1331 |
| LMArena Chinese | — | 1416 |
| LMArena Russian | — | 1303 |

## Instruction Following

- Claude 2: —
- Mercury 2: 70.4 (#161)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | — | 1328 |

## Long Context

- Claude 2: —
- Mercury 2: 40.4 (#149)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Longer Query | — | 1329 |

## Writing & Preference

- Claude 2: —
- Mercury 2: 54.0 (#151)

| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Text | — | 1355 |
| LMArena Creative Writing | — | 1289 |
| LMArena Multi-Turn | — | 1358 |

## FAQ

### Is Claude 2 better than Mercury 2?

Mercury 2 is the stronger model overall, scoring 38.8 to 24.7 on the Noometry Index.

### How many benchmarks do Claude 2 and Mercury 2 share?

0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Mercury 2 has 17.