# Amazon Nova Experimental Chat 10 20 vs Phi 3 Medium 4k Instruct

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 33.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-phi-3-medium-4k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Phi 3 Medium 4k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 20 leads 56.6 to 34.1.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Amazon | Microsoft |
| Noometry Index | 42.1 | 33.0 |
| Rank | 118 | 250 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Phi 3 Medium 4k Instruct: 32.9 (#268)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1412 | 1130 |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Phi 3 Medium 4k Instruct: 21.7 (#214)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1127 |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Phi 3 Medium 4k Instruct: 33.4 (#202)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1425 | 1173 |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Phi 3 Medium 4k Instruct: 30.2 (#229)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1386 | 1108 |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Phi 3 Medium 4k Instruct: 30.6 (#263)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1372 | 1094 |
| LMArena Chinese | 1404 | 1108 |
| LMArena French | 1425 | 1110 |
| LMArena German | 1391 | 1101 |
| LMArena Japanese | 1360 | 1042 |
| LMArena Korean | 1324 | 954 |
| LMArena Russian | 1371 | 1145 |
| LMArena Spanish | 1382 | 1095 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Phi 3 Medium 4k Instruct: 57.6 (#268)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1365 | 1113 |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Phi 3 Medium 4k Instruct: 34.0 (#255)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1370 | 1120 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Phi 3 Medium 4k Instruct: 34.1 (#272)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1394 | 1138 |
| LMArena Creative Writing | 1318 | 1107 |
| LMArena Multi-Turn | 1364 | 1088 |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Phi 3 Medium 4k Instruct?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 33.0 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Phi 3 Medium 4k Instruct better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 32.9 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.