# Amazon Nova Experimental Chat 10 20 vs Nova Premier 1.0

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-nova-premier-1-0
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 20 leads 56.6 to 51.0.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| Provider | Amazon | Amazon |
| Noometry Index | 42.1 | 38.3 |
| Rank | 118 | 189 |
| Context | — | 1M |
| Input $/M | — | $2.50 |
| Output $/M | — | $12.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Nova Premier 1.0: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| LMArena Coding | 1412 | — |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Nova Premier 1.0: 23.0 (#185)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | — | 44.8% |
| LMArena Hard Prompts | 1396 | — |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Nova Premier 1.0: 33.8 (#199)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | — | 35% |
| LMArena Math | 1425 | — |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Nova Premier 1.0: 35.8 (#180)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1386 | — |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Nova Premier 1.0: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1372 | — |
| LMArena Chinese | 1404 | — |
| LMArena French | 1425 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1360 | — |
| LMArena Korean | 1324 | — |
| LMArena Russian | 1371 | — |
| LMArena Spanish | 1382 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Nova Premier 1.0: 66.8 (#204)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1365 | — |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Nova Premier 1.0: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1370 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Nova Premier 1.0: 51.0 (#178)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1394 | — |
| LMArena Creative Writing | 1318 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1364 | — |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Nova Premier 1.0?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Nova Premier 1.0 share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Nova Premier 1.0 has 6.