Model comparison
Claude 3 Opus vs Llama 3.1-8B
Claude 3 Opus is the stronger model overall, scoring 29.5 to 23.0 on the Noometry Index.
Last verified . 30 shared benchmarks.
Summary
- They share 30 benchmarks with published results for both. Claude 3 Opus scores higher in 8 categories and Llama 3.1-8B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude 3 Opus leads 47.2 to 29.7.
- The biggest single-benchmark swing is GPQA Diamond: 47.2% for Claude 3 Opus and 27% for Llama 3.1-8B.
- Llama 3.1-8B has downloadable open weights; the other is API-only.
Side by side
| Claude 3 Opus | Llama 3.1-8B | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.5 | 23.0 |
| Released | 2024-02-29 | 2024-07-23 |
| Weights | Proprietary | Open |
| Context window | — | 128K |
| Max output | — | 4K |
| Input $ / M tokens | — | $0.05 |
| Output $ / M tokens | — | $0.08 |
| Results tracked | 46 | 43 |
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Category by category
Coding Claude 3 Opus leads
Claude 3 Opus: 32.9 (#267), Llama 3.1-8B: 20.2 (#340)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| WeirdML | 19.2% | 1.7% |
| BigCodeBench Instruct | 45.5% | 32.8% |
| LMArena Coding | 1264 | 1195 |
| BigCodeBench Complete | 57.4% | 40.5% |
| HumanEval+ | 77.4% | 62.8% |
| MBPP+ | 73.3% | 55.6% |
| SciCode | — | 13.2% |
| LiveBench Coding | 38.6% | — |
Agentic & Tool Use Claude 3 Opus leads
Claude 3 Opus: 24.6 (#116), Llama 3.1-8B: 22.5 (#131)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 25.8% |
| Cybench | 10% | — |
| BALROG | — | 15.1% |
| METR Time Horizons | 29.5% | — |
Reasoning Too close to call
Claude 3 Opus: 14.6 (#324), Llama 3.1-8B: 14.9 (#321)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| Chess Puzzles | 5% | 0% |
| LMArena Hard Prompts | 1245 | 1175 |
| DTBench | 61.6% | 50.9% |
| LMCA | 17% | 5.4% |
| Epoch Capabilities Index | 126.91 | 116.57 |
| SimpleBench | 23.5% | — |
| CritPt | — | 0% |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| PIQA | — | 81.2% |
| WinoGrande | 88.5% | — |
Math Claude 3 Opus leads
Claude 3 Opus: 14.8 (#299), Llama 3.1-8B: 10.2 (#317)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 1.7% |
| LMArena Math | 1273 | 1179 |
| MATH Level 5 | 37.5% | 22.9% |
| Omni-MATH | — | 13.7% |
| LiveBench Math | 43.6% | — |
| GSM8K | — | 82.4% |
Knowledge Claude 3 Opus leads
Claude 3 Opus: 24.5 (#267), Llama 3.1-8B: 8.0 (#307)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| GPQA Diamond | 47.2% | 27% |
| LMArena Expert | 1223 | 1144 |
| MMLU | 84.6% | 56.1% |
| SimpleQA Verified | 12.6% | — |
| MMLU-Pro | — | 40.6% |
| Confabulations | 22.7% | — |
| GPQA (HELM) | — | 24.7% |
| BoolQ | — | 82.8% |
Multimodal Not comparable
Claude 3 Opus: 27.1 (#116), Llama 3.1-8B: —
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| LMArena Vision | 1023 | — |
Multilingual Claude 3 Opus leads
Claude 3 Opus: 41.4 (#207), Llama 3.1-8B: 34.0 (#249)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| LMArena Non-English | 1258 | 1148 |
| LMArena Chinese | 1248 | 1151 |
| LMArena French | 1275 | 1177 |
| LMArena German | 1258 | 1144 |
| LMArena Japanese | 1204 | 1061 |
| LMArena Korean | 1187 | 1053 |
| LMArena Russian | 1280 | 1158 |
| LMArena Spanish | 1246 | 1169 |
Instruction Following Claude 3 Opus leads
Claude 3 Opus: 64.1 (#228), Llama 3.1-8B: 58.9 (#258)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| LMArena Instruction Following | 1248 | 1159 |
| LiveBench Instruction Following | 63.9% | — |
| IFEval | — | 74.3% |
Long Context Claude 3 Opus leads
Claude 3 Opus: 38.2 (#202), Llama 3.1-8B: 35.8 (#238)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| LMArena Longer Query | 1259 | 1182 |
Writing & Preference Claude 3 Opus leads
Claude 3 Opus: 47.2 (#213), Llama 3.1-8B: 29.7 (#290)
| Benchmark | Claude 3 Opus | Llama 3.1-8B |
|---|---|---|
| LMArena Text | 1262 | 1187 |
| LMArena Creative Writing | 1235 | 1154 |
| LMArena Multi-Turn | 1275 | 1172 |
| EQ-Bench Creative Writing | — | 713 |
| WildBench | — | 68.7% |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than Llama 3.1-8B?
Claude 3 Opus is the stronger model overall, scoring 29.5 to 23.0 on the Noometry Index.
Is Claude 3 Opus or Llama 3.1-8B better for coding?
Claude 3 Opus scores higher on coding benchmarks: 32.9 versus 20.2 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and Llama 3.1-8B share?
30 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Llama 3.1-8B has 43.