# Amazon Nova Experimental Chat 12 10 vs Llama 3-70B

> Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-llama-3-70b
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 8 categories and Llama 3-70B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Experimental Chat 12 10 leads 38.9 to 12.8.
- Llama 3-70B has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 42.9 | 28.8 |
| Rank | 104 | 323 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 12 10: 42.2 (#110)
- Llama 3-70B: 35.8 (#218)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Coding | 1430 | 1206 |
| BigCodeBench Instruct | — | 43.6% |
| BigCodeBench Complete | — | 54.5% |
| HumanEval+ | — | 72% |
| MBPP+ | — | 69% |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 12 10: —
- Llama 3-70B: 21.1 (#139)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| Cybench | — | 5% |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 29.3 (#94)
- Llama 3-70B: 18.0 (#288)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1195 |
| Kagi LLM Benchmark | — | 35.1% |
| DTBench | — | 54.2% |
| Epoch Capabilities Index | — | 122.93 |
| ForecastBench | — | 57.1 |
| WinoGrande | — | 83.5% |

## Math

- Amazon Nova Experimental Chat 12 10: 38.9 (#124)
- Llama 3-70B: 12.8 (#305)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Math | 1419 | 1218 |
| OTIS Mock AIME 2024-2025 | — | 4.3% |
| MATH Level 5 | — | 22.6% |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 39.2 (#136)
- Llama 3-70B: 20.8 (#277)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Expert | 1408 | 1149 |
| GPQA Diamond | — | 40.6% |
| MMLU | — | 79.3% |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.4 (#108)
- Llama 3-70B: 33.6 (#251)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Non-English | 1398 | 1142 |
| LMArena Chinese | 1440 | 1114 |
| LMArena Russian | 1395 | 1159 |
| LMArena French | — | 1232 |
| LMArena German | — | 1169 |
| LMArena Japanese | — | 1017 |
| LMArena Korean | — | 1017 |
| LMArena Spanish | — | 1241 |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.2 (#123)
- Llama 3-70B: 62.5 (#238)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Instruction Following | 1387 | 1194 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#125)
- Llama 3-70B: 35.6 (#240)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Longer Query | 1391 | 1174 |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.5 (#110)
- Llama 3-70B: 42.8 (#231)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Llama 3-70B |
|---|---|---|
| LMArena Text | 1420 | 1221 |
| LMArena Creative Writing | 1350 | 1210 |
| LMArena Multi-Turn | 1409 | 1223 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than Llama 3-70B?

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 28.8 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or Llama 3-70B better for coding?

Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 35.8 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and Llama 3-70B share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Llama 3-70B has 31.