# Amazon Nova Lite vs Llama 3.1-405B

> Amazon Nova Lite is the stronger model overall, scoring 31.9 to 30.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-lite-vs-llama-3-1-405b
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Amazon Nova Lite scores higher in 3 categories and Llama 3.1-405B in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Lite leads 27.8 to 18.4.
- The biggest single-benchmark swing is GPQA (HELM): 39.7% for Amazon Nova Lite and 52.2% for Llama 3.1-405B.
- Llama 3.1-405B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 31.9 | 30.7 |
| Rank | 265 | 288 |
| Context | 300K | — |
| Input $/M | $0.06 | — |
| Output $/M | $0.24 | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Lite: 32.5 (#270)
- Llama 3.1-405B: 33.1 (#262)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Coding | 1239 | 1291 |
| WeirdML | — | 21.4% |
| LiveBench Coding | 27.5% | — |
| ALE-Bench | 236.25 | — |

## Agentic & Tool Use

- Amazon Nova Lite: —
- Llama 3.1-405B: 21.0 (#140)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| TheAgentCompany | — | 7.4% |
| Cybench | — | 7.5% |

## Reasoning

- Amazon Nova Lite: 19.3 (#260)
- Llama 3.1-405B: 16.8 (#300)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Hard Prompts | 1220 | 1269 |
| SimpleBench | — | 23% |
| Kagi LLM Benchmark | — | 45% |
| LiveBench Reasoning | 36.7% | — |
| DTBench | — | 61.4% |
| LiveBench Data Analysis | 37.2% | — |
| BIG-Bench Hard | — | 82.9% |
| Epoch Capabilities Index | — | 128.75 |
| ForecastBench | — | 59.9 |
| HellaSwag | — | 89.2% |
| LiveBench | 36.4% | — |
| PIQA | — | 85.9% |
| WinoGrande | — | 89.2% |

## Math

- Amazon Nova Lite: 27.8 (#247)
- Llama 3.1-405B: 18.4 (#290)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| Omni-MATH | 23.3% | 24.9% |
| LMArena Math | 1227 | 1281 |
| OTIS Mock AIME 2024-2025 | — | 9.7% |
| LiveBench Math | 36.7% | — |
| MATH Level 5 | — | 49.8% |

## Knowledge

- Amazon Nova Lite: 26.3 (#259)
- Llama 3.1-405B: 30.4 (#227)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| MMLU-Pro | 60% | 72.3% |
| GPQA (HELM) | 39.7% | 52.2% |
| LMArena Expert | 1201 | 1243 |
| MMLU | 77% | 84.5% |
| GPQA Diamond | — | 50.9% |
| Humanity's Last Exam | 3.6% | — |
| Confabulations | — | 17.6% |
| Vectara Hallucination Rate | 6.1% | — |
| ARC (AI2) Challenge | — | 95.3% |
| TriviaQA | — | 82.7% |

## Multimodal

- Amazon Nova Lite: 25.5 (#123)
- Llama 3.1-405B: —

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Vision | 990 | — |

## Multilingual

- Amazon Nova Lite: 38.0 (#232)
- Llama 3.1-405B: 40.7 (#214)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Non-English | 1208 | 1248 |
| LMArena Chinese | 1225 | 1242 |
| LMArena French | 1237 | 1279 |
| LMArena German | 1229 | 1252 |
| LMArena Japanese | 1153 | 1208 |
| LMArena Korean | 1153 | 1184 |
| LMArena Russian | 1216 | 1265 |
| LMArena Spanish | 1226 | 1260 |

## Instruction Following

- Amazon Nova Lite: 59.3 (#255)
- Llama 3.1-405B: 65.9 (#214)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| IFEval | 77.6% | 81.1% |
| LMArena Instruction Following | 1205 | 1259 |
| LiveBench Instruction Following | 54.1% | — |

## Long Context

- Amazon Nova Lite: 37.4 (#217)
- Llama 3.1-405B: 38.4 (#197)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Longer Query | 1234 | 1266 |

## Writing & Preference

- Amazon Nova Lite: 42.1 (#237)
- Llama 3.1-405B: 38.9 (#251)

| Benchmark | Amazon Nova Lite | Llama 3.1-405B |
|---|---|---|
| LMArena Text | 1229 | 1284 |
| LMArena Creative Writing | 1197 | 1262 |
| WildBench | 75% | 78.3% |
| LMArena Multi-Turn | 1199 | 1297 |
| EQ-Bench Creative Writing | — | 870 |
| LiveBench Language | 25.9% | — |

## FAQ

### Is Amazon Nova Lite better than Llama 3.1-405B?

Amazon Nova Lite is the stronger model overall, scoring 31.9 to 30.7 on the Noometry Index.

### Is Amazon Nova Lite or Llama 3.1-405B better for coding?

They score almost the same on coding (32.5 vs 33.1); test both on your own repository before choosing.

### How many benchmarks do Amazon Nova Lite and Llama 3.1-405B share?

23 benchmarks have published results for both models. Amazon Nova Lite has 34 scored results on Noometry and Llama 3.1-405B has 42.