Model comparison
Qwen3-4B vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 31.9 on the Noometry Index.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- They share 1 benchmark with published results for both. Qwen3-4B scores higher in 0 categories and Step 3.7 Flash in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 29.7.
- The biggest single-benchmark swing is MathArena Final-Answer Competitions: 38.5% for Qwen3-4B and 68.5% for Step 3.7 Flash.
Side by side
| Qwen3-4B | Step 3.7 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 31.9 | 37.3 |
| Released | 2025-04-29 | 2026-05-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 6 | 5 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Qwen3-4B: —, Step 3.7 Flash: 40.0 (#150)
Agentic & Tool Use Not comparable
Qwen3-4B: 27.6 (#100), Step 3.7 Flash: —
| Benchmark | Qwen3-4B | Step 3.7 Flash |
|---|---|---|
| Berkeley Function Calling Leaderboard | 35.7% | — |
Reasoning Step 3.7 Flash leads
Qwen3-4B: 19.2 (#268), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Qwen3-4B | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| Chess Puzzles | 4% | — |
Math Step 3.7 Flash leads
Qwen3-4B: 29.7 (#240), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Qwen3-4B | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | 38.5% | 68.5% |
| OTIS Mock AIME 2024-2025 | 52.2% | — |
Knowledge Not comparable
Qwen3-4B: 33.0 (#208), Step 3.7 Flash: —
| Benchmark | Qwen3-4B | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 52.3% | — |
| Vectara Hallucination Rate | 5.7% | — |
Frequently asked questions
Is Qwen3-4B better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 31.9 on the Noometry Index.
How many benchmarks do Qwen3-4B and Step 3.7 Flash share?
1 benchmark has published results for both models. Qwen3-4B has 6 scored results on Noometry and Step 3.7 Flash has 5.