Model comparison
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.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Side by side
| Qwen2.5-Coder (1.5B) | Qwen3-4B | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | — | 31.5 |
| Released | 2024-09-18 | 2025-04-29 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 6 | 6 |
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Category by category
Agentic & Tool Use Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
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% | — |
Frequently asked questions
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.