# Amazon Nova Experimental Chat 10 20 vs Mistral Medium 3.5

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 39.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 2 categories and Mistral Medium 3.5 in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 27.3 to 16.6.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| Provider | Amazon | Mistral AI |
| Noometry Index | 41.5 | 39.6 |
| Rank | 122 | 151 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Mistral Medium 3.5: 35.7 (#208)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1413 | 1461 |
| LMArena WebDev | — | 1263 |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Mistral Medium 3.5: 16.6 (#290)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1436 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| Epoch Capabilities Index | — | 141.42 |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Mistral Medium 3.5: 36.4 (#113)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1425 | 1432 |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Mistral Medium 3.5: 39.3 (#123)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1385 | 1431 |

## Multimodal

- Amazon Nova Experimental Chat 10 20: —
- Mistral Medium 3.5: 37.6 (#64)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1222 |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Mistral Medium 3.5: 52.1 (#93)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1372 | 1405 |
| LMArena Chinese | 1405 | 1443 |
| LMArena French | 1426 | 1448 |
| LMArena German | 1391 | 1453 |
| LMArena Korean | 1327 | 1387 |
| LMArena Russian | 1371 | 1396 |
| LMArena Spanish | 1381 | 1406 |
| LMArena Japanese | 1355 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.3 (#136)
- Mistral Medium 3.5: 74.7 (#87)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1365 | 1414 |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Mistral Medium 3.5: 43.2 (#101)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1370 | 1414 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Mistral Medium 3.5: 58.6 (#113)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1394 | 1421 |
| LMArena Creative Writing | 1318 | 1372 |
| LMArena Multi-Turn | 1364 | 1423 |
| EQ-Bench 4 | — | 993 |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Mistral Medium 3.5?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 39.6 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Mistral Medium 3.5 better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.0 versus 35.7 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Mistral Medium 3.5 share?

16 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Mistral Medium 3.5 has 22.