Model comparison
Qwen1.5 4b Chat vs Qwen3-4B
Qwen3-4B is the stronger model overall, scoring 31.5 to 28.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in knowledge, where Qwen3-4B leads 33.0 to 26.2.
Side by side
| Qwen1.5 4b Chat | Qwen3-4B | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 28.3 | 31.5 |
| Released | — | 2025-04-29 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 13 | 6 |
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Category by category
Coding Not comparable
Qwen1.5 4b Chat: 28.6 (#305), Qwen3-4B: —
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| LMArena Coding | 999 | — |
Agentic & Tool Use Not comparable
Qwen1.5 4b Chat: —, Qwen3-4B: 27.3 (#94)
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |
Reasoning Too close to call
Qwen1.5 4b Chat: 17.7 (#277), Qwen3-4B: 18.5 (#264)
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| Chess Puzzles | — | 4% |
| LMArena Hard Prompts | 976 | — |
Math Too close to call
Qwen1.5 4b Chat: 27.9 (#233), Qwen3-4B: 28.5 (#228)
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 38.5% |
| OTIS Mock AIME 2024-2025 | — | 52.2% |
| LMArena Math | 1026 | — |
Knowledge Qwen3-4B leads
Qwen1.5 4b Chat: 26.2 (#252), Qwen3-4B: 33.0 (#198)
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| GPQA Diamond | — | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
| LMArena Expert | 980 | — |
Multilingual Not comparable
Qwen1.5 4b Chat: 24.2 (#285), Qwen3-4B: —
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| LMArena Non-English | 979 | — |
| LMArena Chinese | 1024 | — |
| LMArena German | 902 | — |
| LMArena Russian | 952 | — |
Instruction Following Not comparable
Qwen1.5 4b Chat: 49.3 (#295), Qwen3-4B: —
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| LMArena Instruction Following | 979 | — |
Long Context Not comparable
Qwen1.5 4b Chat: 30.1 (#285), Qwen3-4B: —
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| LMArena Longer Query | 988 | — |
Writing & Preference Not comparable
Qwen1.5 4b Chat: 23.9 (#304), Qwen3-4B: —
| Benchmark | Qwen1.5 4b Chat | Qwen3-4B |
|---|---|---|
| LMArena Text | 997 | — |
| LMArena Creative Writing | 969 | — |
| LMArena Multi-Turn | 977 | — |
Frequently asked questions
Is Qwen1.5 4b Chat better than Qwen3-4B?
Qwen3-4B is the stronger model overall, scoring 31.5 to 28.3 on the Noometry Index.
How many benchmarks do Qwen1.5 4b Chat and Qwen3-4B share?
0 benchmarks have published results for both models. Qwen1.5 4b Chat has 13 scored results on Noometry and Qwen3-4B has 6.