Model comparison
Claude 2 vs Mercury 2.5
Mercury 2.5 is the stronger model overall, scoring 33.5 to 25.0 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Mercury 2.5 leads 23.3 to 9.3.
Side by side
| Claude 2 | Mercury 2.5 | |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 25.0 | 33.5 |
| Released | 2023-07-11 | 2026-09-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 8 | 4 |
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Category by category
Coding Not comparable
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 Too close to call
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 Mercury 2.5 leads
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 Not comparable
Claude 2: 16.9 (#287), Mercury 2.5: —
| Benchmark | Claude 2 | Mercury 2.5 |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |
Frequently asked questions
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.