Model comparison
Phi 3 Medium 4k Instruct vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 32.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Microsoft
StepFunSummary
- The widest gap is in math, where Step 3.7 Flash leads 40.9 to 30.9.
Side by side
| Phi 3 Medium 4k Instruct | Step 3.7 Flash | |
|---|---|---|
| Provider | Microsoft | StepFun |
| Noometry Index | 32.4 | 36.5 |
| Released | — | 2026-05-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 17 | 5 |
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Category by category
Coding Step 3.7 Flash leads
Phi 3 Medium 4k Instruct: 32.3 (#263), Step 3.7 Flash: 39.4 (#147)
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1130 | — |
| ALE-Bench | — | 694.12 |
Reasoning Too close to call
Phi 3 Medium 4k Instruct: 20.8 (#214), Step 3.7 Flash: 20.9 (#211)
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1127 | — |
Math Step 3.7 Flash leads
Phi 3 Medium 4k Instruct: 30.9 (#202), Step 3.7 Flash: 40.9 (#74)
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1173 | — |
Knowledge Not comparable
Phi 3 Medium 4k Instruct: 29.6 (#226), Step 3.7 Flash: —
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1108 | — |
Multilingual Not comparable
Phi 3 Medium 4k Instruct: 30.8 (#258), Step 3.7 Flash: —
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1094 | — |
| LMArena Chinese | 1108 | — |
| LMArena French | 1109 | — |
| LMArena German | 1101 | — |
| LMArena Japanese | 1042 | — |
| LMArena Korean | 954 | — |
| LMArena Russian | 1145 | — |
| LMArena Spanish | 1095 | — |
Instruction Following Not comparable
Phi 3 Medium 4k Instruct: 57.8 (#263), Step 3.7 Flash: —
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1114 | — |
Long Context Not comparable
Phi 3 Medium 4k Instruct: 33.9 (#250), Step 3.7 Flash: —
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1120 | — |
Writing & Preference Not comparable
Phi 3 Medium 4k Instruct: 34.3 (#267), Step 3.7 Flash: —
| Benchmark | Phi 3 Medium 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1138 | — |
| LMArena Creative Writing | 1106 | — |
| LMArena Multi-Turn | 1088 | — |
Frequently asked questions
Is Phi 3 Medium 4k Instruct better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 36.5 to 32.4 on the Noometry Index.
Is Phi 3 Medium 4k Instruct or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 39.4 versus 32.3 in the Noometry coding category.
How many benchmarks do Phi 3 Medium 4k Instruct and Step 3.7 Flash share?
0 benchmarks have published results for both models. Phi 3 Medium 4k Instruct has 17 scored results on Noometry and Step 3.7 Flash has 5.