# Qwen2.5-Coder (1.5B) vs Qwen3-4B

> Qwen3-4B has enough public results to be ranked (#261); Qwen2.5-Coder (1.5B) does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/qwen2-5-coder-vs-qwen3-4b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Snapshot

| | Qwen2.5-Coder (1.5B) | Qwen3-4B |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | — | 31.5 |
| Rank | — | 261 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Agentic & Tool Use

- Qwen2.5-Coder (1.5B): —
- Qwen3-4B: 27.3 (#94)

| Benchmark | Qwen2.5-Coder (1.5B) | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |

## Reasoning

- Qwen2.5-Coder (1.5B): —
- Qwen3-4B: 18.5 (#264)

| Benchmark | Qwen2.5-Coder (1.5B) | Qwen3-4B |
|---|---|---|
| Chess Puzzles | — | 4% |
| Epoch Capabilities Index | 112.93 | — |
| HellaSwag | 76.8% | — |
| WinoGrande | 72.9% | — |

## Math

- Qwen2.5-Coder (1.5B): —
- Qwen3-4B: 28.5 (#228)

| Benchmark | Qwen2.5-Coder (1.5B) | Qwen3-4B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 38.5% |
| OTIS Mock AIME 2024-2025 | — | 52.2% |
| GSM8K | 86.7% | — |

## Knowledge

- Qwen2.5-Coder (1.5B): —
- Qwen3-4B: 33.0 (#198)

| Benchmark | Qwen2.5-Coder (1.5B) | Qwen3-4B |
|---|---|---|
| GPQA Diamond | — | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
| ARC (AI2) Challenge | 60.9% | — |
| MMLU | 68% | — |

## FAQ

### Is Qwen2.5-Coder (1.5B) better than Qwen3-4B?

Qwen3-4B has enough public results to be ranked (#261); Qwen2.5-Coder (1.5B) does not yet, so treat this comparison as directional.

### How many benchmarks do Qwen2.5-Coder (1.5B) and Qwen3-4B share?

0 benchmarks have published results for both models. Qwen2.5-Coder (1.5B) has 6 scored results on Noometry and Qwen3-4B has 6.