# Qwen3-4B vs Sonar

> Sonar is the stronger model overall, scoring 38.5 to 31.9 on the Noometry Index.

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

## Summary

- The widest gap is in math, where Sonar leads 33.7 to 29.7.
- Qwen3-4B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3-4B | Sonar |
|---|---|---|
| Provider | Alibaba (Qwen) | Perplexity |
| Noometry Index | 31.9 | 38.5 |
| Rank | 264 | 187 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Open | Proprietary |

## Coding

- Qwen3-4B: —
- Sonar: 35.7 (#221)

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |

## Agentic & Tool Use

- Qwen3-4B: 27.6 (#100)
- Sonar: —

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

## Reasoning

- Qwen3-4B: 19.2 (#268)
- Sonar: 21.1 (#227)

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| Chess Puzzles | 4% | — |
| LiveBench Reasoning | — | 46.3% |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- Qwen3-4B: 29.7 (#240)
- Sonar: 33.7 (#200)

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| MathArena Final-Answer Competitions | 38.5% | — |
| OTIS Mock AIME 2024-2025 | 52.2% | — |
| LiveBench Math | — | 41.6% |

## Knowledge

- Qwen3-4B: 33.0 (#208)
- Sonar: —

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| GPQA Diamond | 52.3% | — |
| Vectara Hallucination Rate | 5.7% | — |

## Instruction Following

- Qwen3-4B: —
- Sonar: 71.4 (#150)

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |

## Writing & Preference

- Qwen3-4B: —
- Sonar: 52.6 (#167)

| Benchmark | Qwen3-4B | Sonar |
|---|---|---|
| LiveBench Language | — | 44.1% |

## FAQ

### Is Qwen3-4B better than Sonar?

Sonar is the stronger model overall, scoring 38.5 to 31.9 on the Noometry Index.

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

0 benchmarks have published results for both models. Qwen3-4B has 6 scored results on Noometry and Sonar has 7.