Model comparison
Phi 3 Mini 4k Instruct vs Step 3.7 Flash
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 27.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Microsoft
StepFunSummary
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 26.6.
Side by side
| Phi 3 Mini 4k Instruct | Step 3.7 Flash | |
|---|---|---|
| Provider | Microsoft | StepFun |
| Noometry Index | 27.9 | 37.3 |
| Released | 2024-04-23 | 2026-05-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 35 | 5 |
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Category by category
Coding Step 3.7 Flash leads
Phi 3 Mini 4k Instruct: 26.6 (#323), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LiveBench Coding | 15.5% | — |
| LMArena Coding | 1093 | — |
| ALE-Bench | — | 694.12 |
| HumanEval+ | 59.1% | — |
| MBPP+ | 54.2% | — |
Reasoning Step 3.7 Flash leads
Phi 3 Mini 4k Instruct: 14.1 (#328), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| Chess Puzzles | 0% | — |
| LiveBench Reasoning | 26.8% | — |
| LMArena Hard Prompts | 1072 | — |
| LiveBench Data Analysis | 34.7% | — |
| Adversarial NLI | 52.8% | — |
| BIG-Bench Hard | 71.7% | — |
| HellaSwag | 76.7% | — |
| LiveBench | 22.4% | — |
| WinoGrande | 70.8% | — |
Math Step 3.7 Flash leads
Phi 3 Mini 4k Instruct: 26.6 (#257), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LiveBench Math | 15.7% | — |
| LMArena Math | 1111 | — |
Knowledge Not comparable
Phi 3 Mini 4k Instruct: 28.5 (#246), Step 3.7 Flash: —
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1045 | — |
| ARC (AI2) Challenge | 84.9% | — |
| MMLU | 68.8% | — |
| OpenBookQA | 88% | — |
| TriviaQA | 64% | — |
Multilingual Not comparable
Phi 3 Mini 4k Instruct: 26.3 (#280), Step 3.7 Flash: —
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1021 | — |
| LMArena Chinese | 1021 | — |
| LMArena French | 1076 | — |
| LMArena German | 1044 | — |
| LMArena Japanese | 935 | — |
| LMArena Korean | 905 | — |
| LMArena Russian | 1022 | — |
| LMArena Spanish | 1085 | — |
Instruction Following Not comparable
Phi 3 Mini 4k Instruct: 47.7 (#303), Step 3.7 Flash: —
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LiveBench Instruction Following | 39.1% | — |
| LMArena Instruction Following | 1053 | — |
Long Context Not comparable
Phi 3 Mini 4k Instruct: 31.7 (#276), Step 3.7 Flash: —
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1044 | — |
Writing & Preference Not comparable
Phi 3 Mini 4k Instruct: 27.6 (#300), Step 3.7 Flash: —
| Benchmark | Phi 3 Mini 4k Instruct | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1073 | — |
| LMArena Creative Writing | 1037 | — |
| LMArena Multi-Turn | 1018 | — |
| LiveBench Language | 9.2% | — |
Frequently asked questions
Is Phi 3 Mini 4k Instruct better than Step 3.7 Flash?
Step 3.7 Flash is the stronger model overall, scoring 37.3 to 27.9 on the Noometry Index.
Is Phi 3 Mini 4k Instruct or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 26.6 in the Noometry coding category.
How many benchmarks do Phi 3 Mini 4k Instruct and Step 3.7 Flash share?
0 benchmarks have published results for both models. Phi 3 Mini 4k Instruct has 35 scored results on Noometry and Step 3.7 Flash has 5.