# Phi-3.5-mini vs Step 3.7 Flash

> Side-by-side benchmark comparison for Phi-3.5-mini and Step 3.7 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/phi-3-5-mini-vs-step-3-7-flash
- Last updated: October 14, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Phi-3.5-mini and Step 3.7 Flash.

## Summary

- Phi-3.5-mini and Step 3.7 Flash do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Phi-3.5-mini | Step 3.7 Flash |
|----------|----------|----------|
| Creator | Microsoft | StepFun |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 256K |
| Independent public score (not head-to-head) | null | 43.81 |
| Benchmarks Covered | 8 | 11 |
| Pricing (input/output) | N/A | $0.20 / $1.15 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 37.6 (Estimated · #70/124)

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |
| BrowseComp | Coming soon | 75.8% | Coming soon |
| DeepSearchQA | Coming soon | 92.8% | Coming soon |
| Toolathlon | Coming soon | 49.5% | Coming soon |
| Claw-Eval | Coming soon | 67.1% | Coming soon |
| HLE w/ tools | Coming soon | 47.2% | Coming soon |
| Gert Labs | Coming soon | 51.57% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 30.1 (Estimated · #94/148)

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 62.8% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 56.3% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 76.5 (Unranked · 2 rankable rows)

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| BBH | 69% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 75.4 (Unranked · 3 rankable rows)

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| SimpleVQA | Coming soon | 79.2% | Coming soon |
| V* | Coming soon | 95.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 45 (Estimated · #95/181)

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 69% | Coming soon | Coming soon |
| MMLU-Pro | 47.4% | Coming soon | Coming soon |
| GPQA | 30.4% | Coming soon | Coming soon |
| MMMLU | 55.4% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: Coming soon

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MGSM | 47.9% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: 82.1 (#53/128)

### Mathematics

- Winner: Insufficient shared evidence
- Phi-3.5-mini public-lane score: Coming soon
- Step 3.7 Flash public-lane score: Coming soon

| Benchmark | Phi-3.5-mini | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | 86.2% | Coming soon | Coming soon |

## FAQ

### Can I compare Phi-3.5-mini and Step 3.7 Flash on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Phi-3.5-mini vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-3-5-mini)
- [Step 3.7 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-step-3-7-flash)
- [Phi-3.5-mini vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-phi-3-5-mini)
- [Step 3.7 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-step-3-7-flash)

## Explore More

- [Phi-3.5-mini profile](/models/phi-3-5-mini)
- [Step 3.7 Flash profile](/models/step-3-7-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)