Model comparison
Qwen3-4B vs Qwen3.6 Flash
Qwen3.6 Flash is the stronger model overall, scoring 38.8 to 31.9 on the Noometry Index.
Last verified . 3 shared benchmarks.
Alibaba (Qwen)Summary
- They share 3 benchmarks with published results for both. Qwen3-4B scores higher in 0 categories and Qwen3.6 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.6 Flash leads 29.0 to 19.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 52.2% for Qwen3-4B and 84.4% for Qwen3.6 Flash.
- Qwen3-4B has downloadable open weights; the other is API-only.
Side by side
| Qwen3-4B | Qwen3.6 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 31.9 | 38.8 |
| Released | 2025-04-29 | 2026-04-27 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.19 |
| Output $ / M tokens | — | $1.13 |
| Results tracked | 6 | 13 |
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Category by category
Coding Not comparable
Qwen3-4B: —, Qwen3.6 Flash: —
| Benchmark | Qwen3-4B | Qwen3.6 Flash |
|---|---|---|
| ALE-Bench | — | 326.4 |
Agentic & Tool Use Not comparable
Qwen3-4B: 27.6 (#100), Qwen3.6 Flash: —
| Benchmark | Qwen3-4B | Qwen3.6 Flash |
|---|---|---|
| Berkeley Function Calling Leaderboard | 35.7% | — |
Reasoning Qwen3.6 Flash leads
Qwen3-4B: 19.2 (#268), Qwen3.6 Flash: 29.0 (#96)
| Benchmark | Qwen3-4B | Qwen3.6 Flash |
|---|---|---|
| Chess Puzzles | 4% | 20% |
| SimpleBench | — | 35.2% |
| Mystery Game Puzzles | — | 18% |
| DTBench | — | 77.1% |
| LMCA | — | 31% |
| Epoch Capabilities Index | — | 143.26 |
Math Qwen3.6 Flash leads
Qwen3-4B: 29.7 (#240), Qwen3.6 Flash: 39.0 (#117)
| Benchmark | Qwen3-4B | Qwen3.6 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 52.2% | 84.4% |
| FrontierMath (Tiers 1-3) | — | 22.5% |
| MathArena Final-Answer Competitions | 38.5% | — |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.6 Flash leads
Qwen3-4B: 33.0 (#208), Qwen3.6 Flash: 42.1 (#100)
| Benchmark | Qwen3-4B | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | 52.3% | 83.3% |
| SimpleQA Verified | — | 15.9% |
| Vectara Hallucination Rate | 5.7% | — |
Frequently asked questions
Is Qwen3-4B better than Qwen3.6 Flash?
Qwen3.6 Flash is the stronger model overall, scoring 38.8 to 31.9 on the Noometry Index.
How many benchmarks do Qwen3-4B and Qwen3.6 Flash share?
3 benchmarks have published results for both models. Qwen3-4B has 6 scored results on Noometry and Qwen3.6 Flash has 13.