# Amazon Nova Experimental Chat 12 10 vs Llama 13b

> Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.3 to 23.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-llama-13b
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 6 categories and Llama 13b in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 12 10 leads 59.7 to 13.9.
- Llama 13b has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 42.3 | 23.9 |
| Rank | 104 | 344 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 12 10: 41.5 (#112)
- Llama 13b: 20.9 (#332)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Coding | 1430 | 683 |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 28.1 (#93)
- Llama 13b: 13.4 (#327)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Hard Prompts | 1427 | 728 |
| BIG-Bench Hard | — | 37.9% |
| Epoch Capabilities Index | — | 100.09 |
| HellaSwag | — | 79.2% |
| LAMBADA | — | 75.2% |
| PIQA | — | 80.1% |
| WinoGrande | — | 73% |

## Math

- Amazon Nova Experimental Chat 12 10: 36.1 (#130)
- Llama 13b: 24.4 (#259)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Math | 1418 | 838 |
| GSM8K | — | 20.6% |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 38.6 (#133)
- Llama 13b: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Expert | 1409 | — |
| ARC (AI2) Challenge | — | 52.7% |
| BoolQ | — | 78.7% |
| MMLU | — | 47.7% |
| OpenBookQA | — | 56.4% |
| TriviaQA | — | 77.9% |

## Multimodal

- Amazon Nova Experimental Chat 12 10: —
- Llama 13b: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| ScienceQA | — | 43.3% |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.7 (#103)
- Llama 13b: 16.8 (#292)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Non-English | 1399 | 819 |
| LMArena Chinese | 1440 | — |
| LMArena Russian | 1397 | — |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.4 (#117)
- Llama 13b: 36.9 (#300)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Instruction Following | 1387 | 781 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#120)
- Llama 13b: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Longer Query | 1391 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.7 (#104)
- Llama 13b: 13.9 (#307)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 13b |
|---|---|---|
| LMArena Text | 1420 | 834 |
| LMArena Creative Writing | 1351 | 794 |
| LMArena Multi-Turn | 1409 | 753 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than Llama 13b?

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.3 to 23.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or Llama 13b better for coding?

Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 41.5 versus 20.9 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and Llama 13b share?

8 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Llama 13b has 21.