Model comparison
Phi 3 Mini 4k Instruct June 2024 vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 31.3 on the Noometry Index.
Last verified . 15 shared benchmarks.
Microsoft
StepFunSummary
- They share 15 benchmarks with published results for both. Phi 3 Mini 4k Instruct June 2024 scores higher in 0 categories and Step 3.5 Flash in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 58.8 to 29.6.
Side by side
| Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash | |
|---|---|---|
| Provider | Microsoft | StepFun |
| Noometry Index | 31.3 | 42.3 |
| 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 | 15 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 31.8 (#279), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1093 | 1436 |
Reasoning Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 20.8 (#231), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1087 | 1411 |
| NYT Connections (extended) | — | 28.4% |
Math Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 33.0 (#208), Step 3.5 Flash: 42.6 (#84)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1152 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |
Knowledge Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 28.6 (#244), Step 3.5 Flash: 39.6 (#132)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1051 | 1421 |
Multilingual Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 25.9 (#282), Step 3.5 Flash: 50.5 (#119)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1013 | 1385 |
| LMArena Chinese | 1033 | 1447 |
| LMArena German | 1031 | 1405 |
| LMArena Japanese | 954 | 1354 |
| LMArena Korean | 880 | 1352 |
| LMArena Russian | 1019 | 1385 |
| LMArena French | — | 1421 |
| LMArena Spanish | — | 1419 |
Instruction Following Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 54.1 (#282), Step 3.5 Flash: 73.1 (#124)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1058 | 1385 |
Long Context Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 31.7 (#277), Step 3.5 Flash: 42.8 (#117)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1042 | 1402 |
Writing & Preference Step 3.5 Flash leads
Phi 3 Mini 4k Instruct June 2024: 29.6 (#294), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Phi 3 Mini 4k Instruct June 2024 | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1080 | 1403 |
| LMArena Creative Writing | 1045 | 1357 |
| LMArena Multi-Turn | 1049 | 1405 |
Frequently asked questions
Is Phi 3 Mini 4k Instruct June 2024 better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 31.3 on the Noometry Index.
Is Phi 3 Mini 4k Instruct June 2024 or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 31.8 in the Noometry coding category.
How many benchmarks do Phi 3 Mini 4k Instruct June 2024 and Step 3.5 Flash share?
15 benchmarks have published results for both models. Phi 3 Mini 4k Instruct June 2024 has 15 scored results on Noometry and Step 3.5 Flash has 19.