Model comparison
Claude 2 vs Mercury 2
Mercury 2 is the stronger model overall, scoring 38.8 to 24.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where Mercury 2 leads 35.6 to 17.0.
Side by side
| Claude 2 | Mercury 2 | |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 24.7 | 38.8 |
| Released | 2023-07-11 | 2026-02-20 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 50K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.75 |
| Results tracked | 8 | 17 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
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 Mercury 2 leads
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 Not comparable
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 Mercury 2 leads
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 Not comparable
Claude 2: —, Mercury 2: 46.8 (#153)
| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Non-English | — | 1331 |
| LMArena Chinese | — | 1416 |
| LMArena Russian | — | 1303 |
Instruction Following Not comparable
Claude 2: —, Mercury 2: 70.4 (#161)
| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | — | 1328 |
Long Context Not comparable
Claude 2: —, Mercury 2: 40.4 (#149)
| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Longer Query | — | 1329 |
Writing & Preference Not comparable
Claude 2: —, Mercury 2: 54.0 (#151)
| Benchmark | Claude 2 | Mercury 2 |
|---|---|---|
| LMArena Text | — | 1355 |
| LMArena Creative Writing | — | 1289 |
| LMArena Multi-Turn | — | 1358 |
Frequently asked questions
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.