# Qwen3-4B vs Step 3

> Step 3 is the stronger model overall, scoring 40.5 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen3-4b-vs-step-3
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Step 3 leads 28.4 to 19.2.

## Snapshot

| | Qwen3-4B | Step 3 |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 31.9 | 40.5 |
| Rank | 264 | 149 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Qwen3-4B: —
- Step 3: 40.1 (#147)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Coding | — | 1367 |

## Agentic & Tool Use

- Qwen3-4B: 27.6 (#100)
- Step 3: —

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 35.7% | — |

## Reasoning

- Qwen3-4B: 19.2 (#268)
- Step 3: 28.4 (#105)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | — | 62.3% |
| Chess Puzzles | 4% | — |
| LMArena Hard Prompts | — | 1355 |

## Math

- Qwen3-4B: 29.7 (#240)
- Step 3: 37.6 (#148)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| MathArena Final-Answer Competitions | 38.5% | — |
| OTIS Mock AIME 2024-2025 | 52.2% | — |
| LMArena Math | — | 1366 |

## Knowledge

- Qwen3-4B: 33.0 (#208)
- Step 3: 36.8 (#164)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| GPQA Diamond | 52.3% | — |
| Vectara Hallucination Rate | 5.7% | — |
| LMArena Expert | — | 1333 |

## Multimodal

- Qwen3-4B: —
- Step 3: 35.5 (#86)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |

## Multilingual

- Qwen3-4B: —
- Step 3: 46.3 (#159)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Non-English | — | 1327 |
| LMArena Chinese | — | 1397 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1269 |
| LMArena Russian | — | 1331 |
| LMArena Spanish | — | 1371 |

## Instruction Following

- Qwen3-4B: —
- Step 3: 70.4 (#164)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Instruction Following | — | 1332 |

## Long Context

- Qwen3-4B: —
- Step 3: 40.3 (#157)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Longer Query | — | 1326 |

## Writing & Preference

- Qwen3-4B: —
- Step 3: 54.3 (#151)

| Benchmark | Qwen3-4B | Step 3 |
|---|---|---|
| LMArena Text | — | 1350 |
| LMArena Creative Writing | — | 1321 |
| LMArena Multi-Turn | — | 1341 |

## FAQ

### Is Qwen3-4B better than Step 3?

Step 3 is the stronger model overall, scoring 40.5 to 31.9 on the Noometry Index.

### How many benchmarks do Qwen3-4B and Step 3 share?

0 benchmarks have published results for both models. Qwen3-4B has 6 scored results on Noometry and Step 3 has 17.