# Claude 2 vs Mercury

> Mercury is the stronger model overall, scoring 37.6 to 25.0 on the Noometry Index.

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

## Summary

- The widest gap is in reasoning, where Claude 2 leads 21.7 to 17.5.

## Snapshot

| | Claude 2 | Mercury |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 25.0 | 37.6 |
| Rank | 346 | 199 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- Mercury: 38.7 (#170)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| LMArena Coding | — | 1322 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 21.7 (#216)
- Mercury: 17.5 (#293)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| Kagi LLM Benchmark | — | 21.6% |
| LMArena Hard Prompts | — | 1285 |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.13 | — |

## Math

- Claude 2: 9.3 (#320)
- Mercury: —

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

## Knowledge

- Claude 2: 16.9 (#287)
- Mercury: —

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## Multilingual

- Claude 2: —
- Mercury: 41.6 (#206)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| LMArena Non-English | — | 1260 |

## Instruction Following

- Claude 2: —
- Mercury: 65.2 (#224)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| LMArena Instruction Following | — | 1239 |

## Long Context

- Claude 2: —
- Mercury: 38.4 (#198)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| LMArena Longer Query | — | 1266 |

## Writing & Preference

- Claude 2: —
- Mercury: 46.2 (#221)

| Benchmark | Claude 2 | Mercury |
|---|---|---|
| LMArena Text | — | 1282 |
| LMArena Creative Writing | — | 1191 |
| LMArena Multi-Turn | — | 1282 |

## FAQ

### Is Claude 2 better than Mercury?

Mercury is the stronger model overall, scoring 37.6 to 25.0 on the Noometry Index.

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

0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Mercury has 9.