# Amazon Nova Experimental Chat 10 09 vs Llama 2-13B

> Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.4 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-llama-2-13b
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 6 categories and Llama 2-13B in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 09 leads 55.0 to 30.0.
- Llama 2-13B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 41.4 | 29.1 |
| Rank | 124 | 304 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 09: 39.6 (#142)
- Llama 2-13B: 30.4 (#287)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Coding | 1371 | 1062 |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 26.2 (#122)
- Llama 2-13B: 12.3 (#333)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1051 |
| Chess Puzzles | — | 0% |
| DTBench | — | 42.2% |
| BIG-Bench Hard | — | 58.2% |
| Epoch Capabilities Index | — | 105.8 |
| HellaSwag | — | 80.7% |
| LAMBADA | — | 76.5% |
| PIQA | — | 80.8% |
| WinoGrande | — | 72.8% |

## Math

- Amazon Nova Experimental Chat 10 09: —
- Llama 2-13B: 28.7 (#226)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Math | — | 1065 |
| GSM8K | — | 36.9% |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- Llama 2-13B: 27.5 (#244)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Expert | — | 1030 |
| ARC (AI2) Challenge | — | 60.3% |
| BoolQ | — | 82.4% |
| MMLU | — | 55.6% |
| OpenBookQA | — | 57% |
| TriviaQA | — | 79.6% |

## Multimodal

- Amazon Nova Experimental Chat 10 09: —
- Llama 2-13B: —

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| ScienceQA | — | 55.8% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.5 (#145)
- Llama 2-13B: 26.7 (#274)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Non-English | 1341 | 1024 |
| LMArena Chinese | 1345 | 1001 |
| LMArena French | — | 1043 |
| LMArena German | — | 1009 |
| LMArena Japanese | — | 894 |
| LMArena Korean | — | 953 |
| LMArena Russian | — | 1055 |
| LMArena Spanish | — | 1086 |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.7 (#167)
- Llama 2-13B: 53.5 (#282)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Instruction Following | 1316 | 1046 |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.6 (#146)
- Llama 2-13B: 32.3 (#264)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Longer Query | 1334 | 1064 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 55.0 (#144)
- Llama 2-13B: 30.0 (#284)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Llama 2-13B |
|---|---|---|
| LMArena Text | 1365 | 1085 |
| LMArena Creative Writing | 1307 | 1047 |
| LMArena Multi-Turn | 1354 | 1050 |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than Llama 2-13B?

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.4 to 29.1 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 09 or Llama 2-13B better for coding?

Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 39.6 versus 30.4 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and Llama 2-13B share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Llama 2-13B has 32.