# Amazon Nova Experimental Chat 12 10 vs Phi 3 Medium 4k Instruct

> Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 33.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-phi-3-medium-4k-instruct
- Last updated: 2026-10-10
- 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 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 12 10 leads 59.5 to 34.1.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Amazon | Microsoft |
| Noometry Index | 42.9 | 33.0 |
| Rank | 104 | 250 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 12 10: 42.2 (#110)
- Phi 3 Medium 4k Instruct: 32.9 (#268)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1430 | 1130 |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 29.3 (#94)
- Phi 3 Medium 4k Instruct: 21.7 (#214)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1127 |

## Math

- Amazon Nova Experimental Chat 12 10: 38.9 (#124)
- Phi 3 Medium 4k Instruct: 33.4 (#202)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1419 | 1173 |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 39.2 (#136)
- Phi 3 Medium 4k Instruct: 30.2 (#229)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1408 | 1108 |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.4 (#108)
- Phi 3 Medium 4k Instruct: 30.6 (#263)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1398 | 1094 |
| LMArena Chinese | 1440 | 1108 |
| LMArena Russian | 1395 | 1145 |
| LMArena French | — | 1110 |
| LMArena German | — | 1101 |
| LMArena Japanese | — | 1042 |
| LMArena Korean | — | 954 |
| LMArena Spanish | — | 1095 |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.2 (#123)
- Phi 3 Medium 4k Instruct: 57.6 (#268)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1387 | 1113 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#125)
- Phi 3 Medium 4k Instruct: 34.0 (#255)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1391 | 1120 |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.5 (#110)
- Phi 3 Medium 4k Instruct: 34.1 (#272)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1420 | 1138 |
| LMArena Creative Writing | 1350 | 1107 |
| LMArena Multi-Turn | 1409 | 1088 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than Phi 3 Medium 4k Instruct?

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.9 to 33.0 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or Phi 3 Medium 4k Instruct better for coding?

Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 42.2 versus 32.9 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and Phi 3 Medium 4k Instruct share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.