Model comparison
Claude 3 Opus vs Claude 3 Sonnet
Claude 3 Opus and Claude 3 Sonnet score almost the same on the Noometry Index (29.5 vs 29.0), so choose on price, context window or the category you care about most.
Last verified . 30 shared benchmarks.
Summary
- They share 30 benchmarks with published results for both. Claude 3 Opus scores higher in 8 categories and Claude 3 Sonnet in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude 3 Sonnet leads 20.5 to 14.6.
- The biggest single-benchmark swing is MATH Level 5: 37.5% for Claude 3 Opus and 18.2% for Claude 3 Sonnet.
Side by side
| Claude 3 Opus | Claude 3 Sonnet | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Noometry Index | 29.5 | 29.0 |
| Released | 2024-02-29 | 2024-02-29 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 46 | 30 |
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Category by category
Coding Claude 3 Opus leads
Claude 3 Opus: 32.9 (#267), Claude 3 Sonnet: 29.6 (#302)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| WeirdML | 19.2% | 10.2% |
| BigCodeBench Instruct | 45.5% | 42.7% |
| LMArena Coding | 1264 | 1223 |
| BigCodeBench Complete | 57.4% | 53.8% |
| HumanEval+ | 77.4% | 64% |
| MBPP+ | 73.3% | 69.3% |
| LiveBench Coding | 38.6% | — |
Agentic & Tool Use Not comparable
Claude 3 Opus: 24.6 (#116), Claude 3 Sonnet: —
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |
Reasoning Claude 3 Sonnet leads
Claude 3 Opus: 14.6 (#324), Claude 3 Sonnet: 20.5 (#237)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Hard Prompts | 1245 | 1197 |
| DTBench | 61.6% | 53.6% |
| Epoch Capabilities Index | 126.91 | 120.7 |
| WinoGrande | 88.5% | 75.1% |
| SimpleBench | 23.5% | — |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
Math Claude 3 Opus leads
Claude 3 Opus: 14.8 (#299), Claude 3 Sonnet: 10.7 (#310)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 2.5% |
| LMArena Math | 1273 | 1213 |
| MATH Level 5 | 37.5% | 18.2% |
| LiveBench Math | 43.6% | — |
Knowledge Claude 3 Opus leads
Claude 3 Opus: 24.5 (#267), Claude 3 Sonnet: 21.1 (#276)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| GPQA Diamond | 47.2% | 40.6% |
| LMArena Expert | 1223 | 1173 |
| MMLU | 84.6% | 75.9% |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
Multimodal Claude 3 Opus leads
Claude 3 Opus: 27.1 (#116), Claude 3 Sonnet: 25.2 (#125)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Vision | 1023 | 984 |
Multilingual Claude 3 Opus leads
Claude 3 Opus: 41.4 (#207), Claude 3 Sonnet: 37.8 (#234)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Non-English | 1258 | 1205 |
| LMArena Chinese | 1248 | 1189 |
| LMArena French | 1275 | 1229 |
| LMArena German | 1258 | 1204 |
| LMArena Japanese | 1204 | 1131 |
| LMArena Korean | 1187 | 1128 |
| LMArena Russian | 1280 | 1227 |
| LMArena Spanish | 1246 | 1204 |
Instruction Following Claude 3 Opus leads
Claude 3 Opus: 64.1 (#228), Claude 3 Sonnet: 62.8 (#235)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Instruction Following | 1248 | 1199 |
| LiveBench Instruction Following | 63.9% | — |
Long Context Claude 3 Opus leads
Claude 3 Opus: 38.2 (#202), Claude 3 Sonnet: 36.7 (#228)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Longer Query | 1259 | 1211 |
Writing & Preference Claude 3 Opus leads
Claude 3 Opus: 47.2 (#213), Claude 3 Sonnet: 42.1 (#238)
| Benchmark | Claude 3 Opus | Claude 3 Sonnet |
|---|---|---|
| LMArena Text | 1262 | 1218 |
| LMArena Creative Writing | 1235 | 1186 |
| LMArena Multi-Turn | 1275 | 1227 |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than Claude 3 Sonnet?
Claude 3 Opus and Claude 3 Sonnet score almost the same on the Noometry Index (29.5 vs 29.0), so choose on price, context window or the category you care about most.
Is Claude 3 Opus or Claude 3 Sonnet better for coding?
Claude 3 Opus scores higher on coding benchmarks: 32.9 versus 29.6 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and Claude 3 Sonnet share?
30 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Claude 3 Sonnet has 30.