Model comparison
Llama 3.1-405B vs Llama 3-70B
Llama 3.1-405B is the stronger model overall, scoring 30.7 to 28.8 on the Noometry Index.
Last verified . 27 shared benchmarks.
MetaSummary
- They share 27 benchmarks with published results for both. Llama 3.1-405B scores higher in 5 categories and Llama 3-70B in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Llama 3.1-405B leads 30.4 to 20.8.
- The biggest single-benchmark swing is MATH Level 5: 49.8% for Llama 3.1-405B and 22.6% for Llama 3-70B.
Side by side
| Llama 3.1-405B | Llama 3-70B | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 30.7 | 28.8 |
| Released | 2024-07-23 | 2024-04-18 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 31 |
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Category by category
Coding Llama 3-70B leads
Llama 3.1-405B: 33.1 (#262), Llama 3-70B: 35.8 (#218)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| LMArena Coding | 1291 | 1206 |
| WeirdML | 21.4% | — |
| BigCodeBench Instruct | — | 43.6% |
| BigCodeBench Complete | — | 54.5% |
| HumanEval+ | — | 72% |
| MBPP+ | — | 69% |
Agentic & Tool Use Too close to call
Llama 3.1-405B: 21.0 (#140), Llama 3-70B: 21.1 (#139)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| Cybench | 7.5% | 5% |
| TheAgentCompany | 7.4% | — |
Reasoning Llama 3-70B leads
Llama 3.1-405B: 16.8 (#300), Llama 3-70B: 18.0 (#288)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| Kagi LLM Benchmark | 45% | 35.1% |
| LMArena Hard Prompts | 1269 | 1195 |
| DTBench | 61.4% | 54.2% |
| Epoch Capabilities Index | 128.75 | 122.93 |
| ForecastBench | 59.9 | 57.1 |
| WinoGrande | 89.2% | 83.5% |
| SimpleBench | 23% | — |
| BIG-Bench Hard | 82.9% | — |
| HellaSwag | 89.2% | — |
| PIQA | 85.9% | — |
Math Llama 3.1-405B leads
Llama 3.1-405B: 18.4 (#290), Llama 3-70B: 12.8 (#305)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 9.7% | 4.3% |
| LMArena Math | 1281 | 1218 |
| MATH Level 5 | 49.8% | 22.6% |
| Omni-MATH | 24.9% | — |
Knowledge Llama 3.1-405B leads
Llama 3.1-405B: 30.4 (#227), Llama 3-70B: 20.8 (#277)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| GPQA Diamond | 50.9% | 40.6% |
| LMArena Expert | 1243 | 1149 |
| MMLU | 84.5% | 79.3% |
| MMLU-Pro | 72.3% | — |
| Confabulations | 17.6% | — |
| GPQA (HELM) | 52.2% | — |
| ARC (AI2) Challenge | 95.3% | — |
| TriviaQA | 82.7% | — |
Multilingual Llama 3.1-405B leads
Llama 3.1-405B: 40.7 (#214), Llama 3-70B: 33.6 (#251)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| LMArena Non-English | 1248 | 1142 |
| LMArena Chinese | 1242 | 1114 |
| LMArena French | 1279 | 1232 |
| LMArena German | 1252 | 1169 |
| LMArena Japanese | 1208 | 1017 |
| LMArena Korean | 1184 | 1017 |
| LMArena Russian | 1265 | 1159 |
| LMArena Spanish | 1260 | 1241 |
Instruction Following Llama 3.1-405B leads
Llama 3.1-405B: 65.9 (#214), Llama 3-70B: 62.5 (#238)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| LMArena Instruction Following | 1259 | 1194 |
| IFEval | 81.1% | — |
Long Context Llama 3.1-405B leads
Llama 3.1-405B: 38.4 (#197), Llama 3-70B: 35.6 (#240)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| LMArena Longer Query | 1266 | 1174 |
Writing & Preference Llama 3-70B leads
Llama 3.1-405B: 38.9 (#251), Llama 3-70B: 42.8 (#231)
| Benchmark | Llama 3.1-405B | Llama 3-70B |
|---|---|---|
| LMArena Text | 1284 | 1221 |
| LMArena Creative Writing | 1262 | 1210 |
| LMArena Multi-Turn | 1297 | 1223 |
| EQ-Bench Creative Writing | 870 | — |
| WildBench | 78.3% | — |
Frequently asked questions
Is Llama 3.1-405B better than Llama 3-70B?
Llama 3.1-405B is the stronger model overall, scoring 30.7 to 28.8 on the Noometry Index.
Is Llama 3.1-405B or Llama 3-70B better for coding?
Llama 3-70B scores higher on coding benchmarks: 35.8 versus 33.1 in the Noometry coding category.
How many benchmarks do Llama 3.1-405B and Llama 3-70B share?
27 benchmarks have published results for both models. Llama 3.1-405B has 42 scored results on Noometry and Llama 3-70B has 31.