# Nova Premier 1.0 vs Step 3

> Step 3 is the stronger model overall, scoring 40.5 to 38.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nova-premier-1-0-vs-step-3
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Nova Premier 1.0 scores higher in 0 categories and Step 3 in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 3 leads 28.4 to 23.0.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 44.8% for Nova Premier 1.0 and 62.3% for Step 3.
- Step 3 has downloadable open weights; the other is API-only.

## Snapshot

| | Nova Premier 1.0 | Step 3 |
|---|---|---|
| Provider | Amazon | StepFun |
| Noometry Index | 38.3 | 40.5 |
| Rank | 189 | 149 |
| Context | 1M | — |
| Input $/M | $2.50 | — |
| Output $/M | $12.50 | — |
| Weights | Proprietary | Open |

## Coding

- Nova Premier 1.0: —
- Step 3: 40.1 (#147)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| LMArena Coding | — | 1367 |

## Reasoning

- Nova Premier 1.0: 23.0 (#185)
- Step 3: 28.4 (#105)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | 44.8% | 62.3% |
| LMArena Hard Prompts | — | 1355 |

## Math

- Nova Premier 1.0: 33.8 (#199)
- Step 3: 37.6 (#148)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| Omni-MATH | 35% | — |
| LMArena Math | — | 1366 |

## Knowledge

- Nova Premier 1.0: 35.8 (#180)
- Step 3: 36.8 (#164)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| MMLU-Pro | 72.6% | — |
| GPQA (HELM) | 51.8% | — |
| LMArena Expert | — | 1333 |

## Multimodal

- Nova Premier 1.0: —
- Step 3: 35.5 (#86)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |

## Multilingual

- Nova Premier 1.0: —
- Step 3: 46.3 (#159)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| LMArena Non-English | — | 1327 |
| LMArena Chinese | — | 1397 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1269 |
| LMArena Russian | — | 1331 |
| LMArena Spanish | — | 1371 |

## Instruction Following

- Nova Premier 1.0: 66.8 (#204)
- Step 3: 70.4 (#164)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| IFEval | 80.3% | — |
| LMArena Instruction Following | — | 1332 |

## Long Context

- Nova Premier 1.0: —
- Step 3: 40.3 (#157)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| LMArena Longer Query | — | 1326 |

## Writing & Preference

- Nova Premier 1.0: 51.0 (#178)
- Step 3: 54.3 (#151)

| Benchmark | Nova Premier 1.0 | Step 3 |
|---|---|---|
| LMArena Text | — | 1350 |
| LMArena Creative Writing | — | 1321 |
| WildBench | 78.8% | — |
| LMArena Multi-Turn | — | 1341 |

## FAQ

### Is Nova Premier 1.0 better than Step 3?

Step 3 is the stronger model overall, scoring 40.5 to 38.3 on the Noometry Index.

### How many benchmarks do Nova Premier 1.0 and Step 3 share?

1 benchmark has published results for both models. Nova Premier 1.0 has 6 scored results on Noometry and Step 3 has 17.