# Qwen3-4B vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 42.1 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen3-4b-vs-solar-pro4
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 19.2.
- Qwen3-4B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3-4B | Solar Pro4 |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 31.9 | 42.1 |
| Rank | 264 | 121 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Qwen3-4B: —
- Solar Pro4: 40.1 (#149)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| LMArena Coding | — | 1437 |

## Agentic & Tool Use

- Qwen3-4B: 27.6 (#100)
- Solar Pro4: —

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 35.7% | — |

## Reasoning

- Qwen3-4B: 19.2 (#268)
- Solar Pro4: 28.5 (#104)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| Chess Puzzles | 4% | — |
| LMArena Hard Prompts | — | 1399 |

## Math

- Qwen3-4B: 29.7 (#240)
- Solar Pro4: 38.8 (#128)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| MathArena Final-Answer Competitions | 38.5% | — |
| OTIS Mock AIME 2024-2025 | 52.2% | — |
| LMArena Math | — | 1416 |

## Knowledge

- Qwen3-4B: 33.0 (#208)
- Solar Pro4: 39.8 (#129)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 52.3% | — |
| Vectara Hallucination Rate | 5.7% | — |
| LMArena Expert | — | 1427 |

## Multilingual

- Qwen3-4B: —
- Solar Pro4: 48.7 (#139)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1361 |
| LMArena Chinese | — | 1415 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1401 |

## Instruction Following

- Qwen3-4B: —
- Solar Pro4: 72.7 (#132)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1377 |

## Long Context

- Qwen3-4B: —
- Solar Pro4: 42.1 (#130)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |

## Writing & Preference

- Qwen3-4B: —
- Solar Pro4: 56.5 (#138)

| Benchmark | Qwen3-4B | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| LMArena Multi-Turn | — | 1385 |

## FAQ

### Is Qwen3-4B better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 42.1 to 31.9 on the Noometry Index.

### How many benchmarks do Qwen3-4B and Solar Pro4 share?

0 benchmarks have published results for both models. Qwen3-4B has 6 scored results on Noometry and Solar Pro4 has 18.