Model comparison
Claude 3 Sonnet vs Mercury
Mercury is the stronger model overall, scoring 37.3 to 28.8 on the Noometry Index.
Last verified . 8 shared benchmarks.
Summary
- They share 8 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and Mercury in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where Mercury leads 38.1 to 29.2.
Side by side
| Claude 3 Sonnet | Mercury | |
|---|---|---|
| Provider | Anthropic | Inception |
| Noometry Index | 28.8 | 37.3 |
| Released | 2024-02-29 | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 30 | 9 |
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Category by category
Coding Mercury leads
Claude 3 Sonnet: 29.2 (#296), Mercury: 38.1 (#164)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Coding | 1223 | 1323 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |
Reasoning Claude 3 Sonnet leads
Claude 3 Sonnet: 19.7 (#232), Mercury: 16.8 (#288)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1284 |
| Kagi LLM Benchmark | — | 21.6% |
| DTBench | 53.6% | — |
| Epoch Capabilities Index | 120.69 | — |
| WinoGrande | 75.1% | — |
Math Not comparable
Claude 3 Sonnet: 10.0 (#305), Mercury: —
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | 1213 | — |
| MATH Level 5 | 18.2% | — |
Knowledge Not comparable
Claude 3 Sonnet: 21.1 (#271), Mercury: —
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| GPQA Diamond | 40.6% | — |
| LMArena Expert | 1173 | — |
| MMLU | 75.9% | — |
Multimodal Not comparable
Claude 3 Sonnet: 24.7 (#120), Mercury: —
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Vision | 984 | — |
Multilingual Mercury leads
Claude 3 Sonnet: 38.0 (#229), Mercury: 41.7 (#201)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Non-English | 1205 | 1259 |
| LMArena Chinese | 1188 | — |
| LMArena French | 1228 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |
Instruction Following Mercury leads
Claude 3 Sonnet: 63.1 (#230), Mercury: 65.3 (#220)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Instruction Following | 1200 | 1238 |
Long Context Mercury leads
Claude 3 Sonnet: 36.7 (#223), Mercury: 38.3 (#193)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Longer Query | 1211 | 1264 |
Writing & Preference Mercury leads
Claude 3 Sonnet: 42.3 (#233), Mercury: 46.2 (#216)
| Benchmark | Claude 3 Sonnet | Mercury |
|---|---|---|
| LMArena Text | 1218 | 1282 |
| LMArena Creative Writing | 1186 | 1186 |
| LMArena Multi-Turn | 1227 | 1283 |
Frequently asked questions
Is Claude 3 Sonnet better than Mercury?
Mercury is the stronger model overall, scoring 37.3 to 28.8 on the Noometry Index.
Is Claude 3 Sonnet or Mercury better for coding?
Mercury scores higher on coding benchmarks: 38.1 versus 29.2 in the Noometry coding category.
How many benchmarks do Claude 3 Sonnet and Mercury share?
8 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Mercury has 9.