Model comparison
Step 3.5 Flash vs Wizardlm 13b
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 31.4 on the Noometry Index.
Last verified . 10 shared benchmarks.
StepFun
MicrosoftSummary
- They share 10 benchmarks with published results for both. Step 3.5 Flash scores higher in 7 categories and Wizardlm 13b in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 58.8 to 30.5.
Side by side
| Step 3.5 Flash | Wizardlm 13b | |
|---|---|---|
| Provider | StepFun | Microsoft |
| Noometry Index | 42.3 | 31.4 |
| Released | 2026-01-29 | — |
| Weights | Open | Open |
| Context window | 256K | — |
| Max output | 256K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.30 | — |
| Results tracked | 19 | 10 |
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Category by category
Coding Step 3.5 Flash leads
Step 3.5 Flash: 42.4 (#105), Wizardlm 13b: 30.1 (#298)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Coding | 1436 | 1035 |
Reasoning Step 3.5 Flash leads
Step 3.5 Flash: 22.2 (#202), Wizardlm 13b: 19.4 (#259)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Hard Prompts | 1411 | 1018 |
| NYT Connections (extended) | 28.4% | — |
Math Step 3.5 Flash leads
Step 3.5 Flash: 42.6 (#84), Wizardlm 13b: 30.2 (#238)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Math | 1408 | 1017 |
| MathArena Final-Answer Competitions | 66.8% | — |
Knowledge Not comparable
Step 3.5 Flash: 39.6 (#132), Wizardlm 13b: —
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Expert | 1421 | — |
Multilingual Step 3.5 Flash leads
Step 3.5 Flash: 50.5 (#119), Wizardlm 13b: 27.1 (#277)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Non-English | 1385 | 1034 |
| LMArena Chinese | 1447 | 1023 |
| LMArena French | 1421 | — |
| LMArena German | 1405 | — |
| LMArena Japanese | 1354 | — |
| LMArena Korean | 1352 | — |
| LMArena Russian | 1385 | — |
| LMArena Spanish | 1419 | — |
Instruction Following Step 3.5 Flash leads
Step 3.5 Flash: 73.1 (#124), Wizardlm 13b: 53.5 (#285)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Instruction Following | 1385 | 1048 |
Long Context Step 3.5 Flash leads
Step 3.5 Flash: 42.8 (#117), Wizardlm 13b: 32.0 (#273)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Longer Query | 1402 | 1054 |
Writing & Preference Step 3.5 Flash leads
Step 3.5 Flash: 58.8 (#113), Wizardlm 13b: 30.5 (#287)
| Benchmark | Step 3.5 Flash | Wizardlm 13b |
|---|---|---|
| LMArena Text | 1403 | 1077 |
| LMArena Creative Writing | 1357 | 1091 |
| LMArena Multi-Turn | 1405 | 1047 |
Frequently asked questions
Is Step 3.5 Flash better than Wizardlm 13b?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 31.4 on the Noometry Index.
Is Step 3.5 Flash or Wizardlm 13b better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 30.1 in the Noometry coding category.
How many benchmarks do Step 3.5 Flash and Wizardlm 13b share?
10 benchmarks have published results for both models. Step 3.5 Flash has 19 scored results on Noometry and Wizardlm 13b has 10.