Model comparison
Qwen3-Coder 480B-A35B Instruct vs Step 3.7 Flash
Qwen3-Coder 480B-A35B Instruct and Step 3.7 Flash score almost the same on the Noometry Index (38.1 vs 37.3), so choose on price, context window or the category you care about most.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- They share 1 benchmark with published results for both. Qwen3-Coder 480B-A35B Instruct scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 37.6.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $1.50 / $7.50 for Qwen3-Coder 480B-A35B Instruct.
- Qwen3-Coder 480B-A35B Instruct accepts more context: 262K tokens versus 256K.
Side by side
| Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 38.1 | 37.3 |
| Released | 2025-04 | 2026-05-29 |
| Weights | Open | Open |
| Context window | 262K | 256K |
| Max output | 66K | 256K |
| Input $ / M tokens | $1.50 | $0.18 |
| Output $ / M tokens | $7.50 | $1.11 |
| Results tracked | 25 | 5 |
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Category by category
Coding Step 3.7 Flash leads
Qwen3-Coder 480B-A35B Instruct: 35.5 (#223), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| ALE-Bench | 461.45 | 694.12 |
| SWE-bench Verified (bash only) | 55.4% | — |
| LMArena WebDev | 1275 | — |
| SciCode | — | 40% |
| GSO | 4.9% | — |
| WeirdML | 41.2% | — |
| LMArena Coding | 1412 | — |
| AlgoTune | 1.44 | — |
Agentic & Tool Use Not comparable
Qwen3-Coder 480B-A35B Instruct: 23.9 (#123), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| Terminal-Bench | 27.2% | — |
Reasoning Qwen3-Coder 480B-A35B Instruct leads
Qwen3-Coder 480B-A35B Instruct: 25.5 (#149), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| Kagi LLM Benchmark | 49.5% | — |
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1372 | — |
Math Step 3.7 Flash leads
Qwen3-Coder 480B-A35B Instruct: 37.6 (#150), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1365 | — |
Knowledge Not comparable
Qwen3-Coder 480B-A35B Instruct: 37.0 (#162), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1338 | — |
Multilingual Not comparable
Qwen3-Coder 480B-A35B Instruct: 47.7 (#148), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1346 | — |
| LMArena Chinese | 1357 | — |
| LMArena French | 1398 | — |
| LMArena German | 1325 | — |
| LMArena Japanese | 1310 | — |
| LMArena Korean | 1305 | — |
| LMArena Russian | 1366 | — |
| LMArena Spanish | 1360 | — |
Instruction Following Not comparable
Qwen3-Coder 480B-A35B Instruct: 71.6 (#147), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1355 | — |
Long Context Not comparable
Qwen3-Coder 480B-A35B Instruct: 42.0 (#131), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1378 | — |
Writing & Preference Not comparable
Qwen3-Coder 480B-A35B Instruct: 55.3 (#147), Step 3.7 Flash: —
| Benchmark | Qwen3-Coder 480B-A35B Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1357 | — |
| LMArena Creative Writing | 1333 | — |
| LMArena Multi-Turn | 1365 | — |
Frequently asked questions
Is Qwen3-Coder 480B-A35B Instruct better than Step 3.7 Flash?
Qwen3-Coder 480B-A35B Instruct and Step 3.7 Flash score almost the same on the Noometry Index (38.1 vs 37.3), so choose on price, context window or the category you care about most.
Which is cheaper, Qwen3-Coder 480B-A35B Instruct or Step 3.7 Flash?
Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Qwen3-Coder 480B-A35B Instruct lists at $1.50 and $7.50.
Is Qwen3-Coder 480B-A35B Instruct or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 35.5 in the Noometry coding category.
Which has the bigger context window?
Qwen3-Coder 480B-A35B Instruct does, with 262K tokens against 256K.
How many benchmarks do Qwen3-Coder 480B-A35B Instruct and Step 3.7 Flash share?
1 benchmark has published results for both models. Qwen3-Coder 480B-A35B Instruct has 25 scored results on Noometry and Step 3.7 Flash has 5.