# Amazon Nova Experimental Chat 12 10 vs Step 3.7 Flash

> Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.3 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-step-3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Amazon Nova Experimental Chat 12 10 leads 28.1 to 20.9.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 42.3 | 36.5 |
| Rank | 104 | 207 |
| Context | — | 256K |
| Input $/M | — | $0.18 |
| Output $/M | — | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 12 10: 41.5 (#112)
- Step 3.7 Flash: 39.4 (#147)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1430 | — |
| ALE-Bench | — | 694.12 |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 28.1 (#93)
- Step 3.7 Flash: 20.9 (#211)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1427 | — |

## Math

- Amazon Nova Experimental Chat 12 10: 36.1 (#130)
- Step 3.7 Flash: 40.9 (#74)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1418 | — |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 38.6 (#133)
- Step 3.7 Flash: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1409 | — |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.7 (#103)
- Step 3.7 Flash: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1399 | — |
| LMArena Chinese | 1440 | — |
| LMArena Russian | 1397 | — |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.4 (#117)
- Step 3.7 Flash: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1387 | — |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#120)
- Step 3.7 Flash: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1391 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.7 (#104)
- Step 3.7 Flash: —

| Benchmark | Amazon Nova Experimental Chat 12 10 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1351 | — |
| LMArena Multi-Turn | 1409 | — |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than Step 3.7 Flash?

Amazon Nova Experimental Chat 12 10 is the stronger model overall, scoring 42.3 to 36.5 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or Step 3.7 Flash better for coding?

Amazon Nova Experimental Chat 12 10 scores higher on coding benchmarks: 41.5 versus 39.4 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and Step 3.7 Flash share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Step 3.7 Flash has 5.