# Amazon Nova Experimental Chat 26 02 10 vs Step 3

> Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 39.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-26-02-10-vs-step-3
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 26 02 10 scores higher in 8 categories and Step 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Amazon Nova Experimental Chat 26 02 10 leads 54.3 to 46.5.
- Step 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 43.8 | 39.9 |
| Rank | 77 | 145 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 26 02 10: 43.2 (#81)
- Step 3: 39.5 (#144)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Coding | 1483 | 1367 |

## Reasoning

- Amazon Nova Experimental Chat 26 02 10: 28.9 (#84)
- Step 3: 27.6 (#102)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1458 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |

## Math

- Amazon Nova Experimental Chat 26 02 10: 36.6 (#108)
- Step 3: 34.9 (#148)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Math | 1440 | 1366 |

## Knowledge

- Amazon Nova Experimental Chat 26 02 10: 41.6 (#98)
- Step 3: 36.2 (#161)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Expert | 1505 | 1333 |

## Multimodal

- Amazon Nova Experimental Chat 26 02 10: —
- Step 3: 34.9 (#81)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1176 |

## Multilingual

- Amazon Nova Experimental Chat 26 02 10: 54.3 (#48)
- Step 3: 46.5 (#154)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Non-English | 1435 | 1327 |
| LMArena Chinese | 1465 | 1396 |
| LMArena Russian | 1423 | 1331 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1271 |
| LMArena Spanish | — | 1372 |

## Instruction Following

- Amazon Nova Experimental Chat 26 02 10: 75.3 (#66)
- Step 3: 70.6 (#159)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1426 | 1332 |

## Long Context

- Amazon Nova Experimental Chat 26 02 10: 44.0 (#73)
- Step 3: 40.3 (#152)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1441 | 1326 |

## Writing & Preference

- Amazon Nova Experimental Chat 26 02 10: 62.0 (#80)
- Step 3: 54.5 (#146)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Step 3 |
|---|---|---|
| LMArena Text | 1449 | 1351 |
| LMArena Creative Writing | 1369 | 1322 |
| LMArena Multi-Turn | 1442 | 1340 |

## FAQ

### Is Amazon Nova Experimental Chat 26 02 10 better than Step 3?

Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 39.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 26 02 10 or Step 3 better for coding?

Amazon Nova Experimental Chat 26 02 10 scores higher on coding benchmarks: 43.2 versus 39.5 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and Step 3 share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and Step 3 has 17.