Model comparison
Llama 3.1-405B vs Phi 3 Mini 128k Instruct
Llama 3.1-405B and Phi 3 Mini 128k Instruct score almost the same on the Noometry Index (30.7 vs 29.7), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Meta
MicrosoftSummary
- They share 17 benchmarks with published results for both. Llama 3.1-405B scores higher in 6 categories and Phi 3 Mini 128k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Llama 3.1-405B leads 40.7 to 25.2.
Side by side
| Llama 3.1-405B | Phi 3 Mini 128k Instruct | |
|---|---|---|
| Provider | Meta | Microsoft |
| Noometry Index | 30.7 | 29.7 |
| Released | 2024-07-23 | 2024-04-23 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 19 |
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Category by category
Coding Llama 3.1-405B leads
Llama 3.1-405B: 33.1 (#262), Phi 3 Mini 128k Instruct: 28.8 (#312)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Coding | 1291 | 1039 |
| WeirdML | 21.4% | — |
| BigCodeBench Instruct | — | 29.6% |
| BigCodeBench Complete | — | 40.6% |
Agentic & Tool Use Not comparable
Llama 3.1-405B: 21.0 (#140), Phi 3 Mini 128k Instruct: —
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| TheAgentCompany | 7.4% | — |
| Cybench | 7.5% | — |
Reasoning Phi 3 Mini 128k Instruct leads
Llama 3.1-405B: 16.8 (#300), Phi 3 Mini 128k Instruct: 19.6 (#256)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1269 | 1028 |
| SimpleBench | 23% | — |
| Kagi LLM Benchmark | 45% | — |
| DTBench | 61.4% | — |
| BIG-Bench Hard | 82.9% | — |
| Epoch Capabilities Index | 128.75 | — |
| ForecastBench | 59.9 | — |
| HellaSwag | 89.2% | — |
| PIQA | 85.9% | — |
| WinoGrande | 89.2% | — |
Math Phi 3 Mini 128k Instruct leads
Llama 3.1-405B: 18.4 (#290), Phi 3 Mini 128k Instruct: 31.6 (#222)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | 1281 | 1089 |
| OTIS Mock AIME 2024-2025 | 9.7% | — |
| Omni-MATH | 24.9% | — |
| MATH Level 5 | 49.8% | — |
Knowledge Llama 3.1-405B leads
Llama 3.1-405B: 30.4 (#227), Phi 3 Mini 128k Instruct: 26.8 (#254)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | 1243 | 984 |
| GPQA Diamond | 50.9% | — |
| MMLU-Pro | 72.3% | — |
| Confabulations | 17.6% | — |
| GPQA (HELM) | 52.2% | — |
| ARC (AI2) Challenge | 95.3% | — |
| MMLU | 84.5% | — |
| TriviaQA | 82.7% | — |
Multilingual Llama 3.1-405B leads
Llama 3.1-405B: 40.7 (#214), Phi 3 Mini 128k Instruct: 25.2 (#285)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1248 | 1000 |
| LMArena Chinese | 1242 | 1016 |
| LMArena French | 1279 | 1039 |
| LMArena German | 1252 | 1006 |
| LMArena Japanese | 1208 | 899 |
| LMArena Korean | 1184 | 856 |
| LMArena Russian | 1265 | 1004 |
| LMArena Spanish | 1260 | 1059 |
Instruction Following Llama 3.1-405B leads
Llama 3.1-405B: 65.9 (#214), Phi 3 Mini 128k Instruct: 51.8 (#294)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1259 | 1023 |
| IFEval | 81.1% | — |
Long Context Llama 3.1-405B leads
Llama 3.1-405B: 38.4 (#197), Phi 3 Mini 128k Instruct: 30.4 (#289)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | 1266 | 996 |
Writing & Preference Llama 3.1-405B leads
Llama 3.1-405B: 38.9 (#251), Phi 3 Mini 128k Instruct: 27.1 (#301)
| Benchmark | Llama 3.1-405B | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1284 | 1050 |
| LMArena Creative Writing | 1262 | 1024 |
| LMArena Multi-Turn | 1297 | 989 |
| EQ-Bench Creative Writing | 870 | — |
| WildBench | 78.3% | — |
Frequently asked questions
Is Llama 3.1-405B better than Phi 3 Mini 128k Instruct?
Llama 3.1-405B and Phi 3 Mini 128k Instruct score almost the same on the Noometry Index (30.7 vs 29.7), so choose on price, context window or the category you care about most.
Is Llama 3.1-405B or Phi 3 Mini 128k Instruct better for coding?
Llama 3.1-405B scores higher on coding benchmarks: 33.1 versus 28.8 in the Noometry coding category.
How many benchmarks do Llama 3.1-405B and Phi 3 Mini 128k Instruct share?
17 benchmarks have published results for both models. Llama 3.1-405B has 42 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.