# Claude 2 vs Mercury 2.5

> Mercury 2.5 is the stronger model overall, scoring 33.5 to 25.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-mercury-2-5
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Mercury 2.5 leads 23.3 to 9.3.

## Snapshot

| | Claude 2 | Mercury 2.5 |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 25.0 | 33.5 |
| Rank | 346 | 242 |
| Context | — | 260K |
| Input $/M | — | $0.04 |
| Output $/M | — | $0.15 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2: —
- Mercury 2.5: 39.5 (#156)

| Benchmark | Claude 2 | Mercury 2.5 |
|---|---|---|
| SciCode | — | 38.5% |
| ALE-Bench | — | 301.65 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 21.7 (#216)
- Mercury 2.5: 22.4 (#193)

| Benchmark | Claude 2 | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.13 | — |

## Math

- Claude 2: 9.3 (#320)
- Mercury 2.5: 23.3 (#272)

| Benchmark | Claude 2 | Mercury 2.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| ProofBench | — | 3% |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 16.9 (#287)
- Mercury 2.5: —

| Benchmark | Claude 2 | Mercury 2.5 |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## FAQ

### Is Claude 2 better than Mercury 2.5?

Mercury 2.5 is the stronger model overall, scoring 33.5 to 25.0 on the Noometry Index.

### How many benchmarks do Claude 2 and Mercury 2.5 share?

0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Mercury 2.5 has 4.