Model comparison
Amazon Nova Experimental Chat 12 10 vs Llama 3.1-405B
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 30.7 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 8 categories and Llama 3.1-405B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 12 10 leads 59.5 to 38.9.
- Llama 3.1-405B has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B | |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 42.9 | 30.7 |
| Released | — | 2024-07-23 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 42 |
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Category by category
Coding Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.2 (#110), Llama 3.1-405B: 33.1 (#262)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Coding | 1430 | 1291 |
| WeirdML | — | 21.4% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 12 10: —, Llama 3.1-405B: 21.0 (#140)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| TheAgentCompany | — | 7.4% |
| Cybench | — | 7.5% |
Reasoning Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 29.3 (#94), Llama 3.1-405B: 16.8 (#300)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1269 |
| 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 Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 38.9 (#124), Llama 3.1-405B: 18.4 (#290)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Math | 1419 | 1281 |
| OTIS Mock AIME 2024-2025 | — | 9.7% |
| Omni-MATH | — | 24.9% |
| MATH Level 5 | — | 49.8% |
Knowledge Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 39.2 (#136), Llama 3.1-405B: 30.4 (#227)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Expert | 1408 | 1243 |
| 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 Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 51.4 (#108), Llama 3.1-405B: 40.7 (#214)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Non-English | 1398 | 1248 |
| LMArena Chinese | 1440 | 1242 |
| LMArena Russian | 1395 | 1265 |
| LMArena French | — | 1279 |
| LMArena German | — | 1252 |
| LMArena Japanese | — | 1208 |
| LMArena Korean | — | 1184 |
| LMArena Spanish | — | 1260 |
Instruction Following Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 73.2 (#123), Llama 3.1-405B: 65.9 (#214)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Instruction Following | 1387 | 1259 |
| IFEval | — | 81.1% |
Long Context Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 42.4 (#125), Llama 3.1-405B: 38.4 (#197)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Longer Query | 1391 | 1266 |
Writing & Preference Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 59.5 (#110), Llama 3.1-405B: 38.9 (#251)
| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3.1-405B |
|---|---|---|
| LMArena Text | 1420 | 1284 |
| LMArena Creative Writing | 1350 | 1262 |
| LMArena Multi-Turn | 1409 | 1297 |
| EQ-Bench Creative Writing | — | 870 |
| WildBench | — | 78.3% |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Llama 3.1-405B?
Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 30.7 on the Noometry Index.
Is Amazon Nova Experimental Chat 12 10 or Llama 3.1-405B better for coding?
Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 33.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Llama 3.1-405B share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Llama 3.1-405B has 42.