Model comparison
Llama 3.1-405B vs phi-3-medium 14B
Llama 3.1-405B and phi-3-medium 14B 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 . 9 shared benchmarks.
Meta
MicrosoftSummary
- They share 9 benchmarks with published results for both. Llama 3.1-405B scores higher in 1 category and phi-3-medium 14B in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Llama 3.1-405B leads 30.4 to 9.1.
- The biggest single-benchmark swing is MATH Level 5: 49.8% for Llama 3.1-405B and 17.6% for phi-3-medium 14B.
Side by side
| Llama 3.1-405B | phi-3-medium 14B | |
|---|---|---|
| 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 | 13 |
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Category by category
Coding phi-3-medium 14B leads
Llama 3.1-405B: 33.1 (#262), phi-3-medium 14B: 36.8 (#201)
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| WeirdML | 21.4% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1291 | — |
| BigCodeBench Complete | — | 48.7% |
Agentic & Tool Use Not comparable
Llama 3.1-405B: 21.0 (#140), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| TheAgentCompany | 7.4% | — |
| Cybench | 7.5% | — |
Reasoning Not comparable
Llama 3.1-405B: 16.8 (#300), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| BIG-Bench Hard | 82.9% | 81.4% |
| Epoch Capabilities Index | 128.75 | 121.23 |
| HellaSwag | 89.2% | 82.4% |
| WinoGrande | 89.2% | 81.5% |
| SimpleBench | 23% | — |
| Kagi LLM Benchmark | 45% | — |
| LMArena Hard Prompts | 1269 | — |
| DTBench | 61.4% | — |
| Adversarial NLI | — | 55.8% |
| ForecastBench | 59.9 | — |
| PIQA | 85.9% | — |
Math phi-3-medium 14B leads
Llama 3.1-405B: 18.4 (#290), phi-3-medium 14B: 27.3 (#250)
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | 49.8% | 17.6% |
| OTIS Mock AIME 2024-2025 | 9.7% | — |
| Omni-MATH | 24.9% | — |
| LMArena Math | 1281 | — |
Knowledge Llama 3.1-405B leads
Llama 3.1-405B: 30.4 (#227), phi-3-medium 14B: 9.1 (#306)
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 50.9% | 27.6% |
| ARC (AI2) Challenge | 95.3% | 91.6% |
| MMLU | 84.5% | 78% |
| TriviaQA | 82.7% | 73.9% |
| MMLU-Pro | 72.3% | — |
| Confabulations | 17.6% | — |
| GPQA (HELM) | 52.2% | — |
| LMArena Expert | 1243 | — |
| OpenBookQA | — | 87.4% |
Multilingual Not comparable
Llama 3.1-405B: 40.7 (#214), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1248 | — |
| LMArena Chinese | 1242 | — |
| LMArena French | 1279 | — |
| LMArena German | 1252 | — |
| LMArena Japanese | 1208 | — |
| LMArena Korean | 1184 | — |
| LMArena Russian | 1265 | — |
| LMArena Spanish | 1260 | — |
Instruction Following Not comparable
Llama 3.1-405B: 65.9 (#214), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| IFEval | 81.1% | — |
| LMArena Instruction Following | 1259 | — |
Long Context Not comparable
Llama 3.1-405B: 38.4 (#197), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| LMArena Longer Query | 1266 | — |
Writing & Preference Not comparable
Llama 3.1-405B: 38.9 (#251), phi-3-medium 14B: —
| Benchmark | Llama 3.1-405B | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1284 | — |
| LMArena Creative Writing | 1262 | — |
| EQ-Bench Creative Writing | 870 | — |
| WildBench | 78.3% | — |
| LMArena Multi-Turn | 1297 | — |
Frequently asked questions
Is Llama 3.1-405B better than phi-3-medium 14B?
Llama 3.1-405B and phi-3-medium 14B 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-medium 14B better for coding?
phi-3-medium 14B scores higher on coding benchmarks: 36.8 versus 33.1 in the Noometry coding category.
How many benchmarks do Llama 3.1-405B and phi-3-medium 14B share?
9 benchmarks have published results for both models. Llama 3.1-405B has 42 scored results on Noometry and phi-3-medium 14B has 13.