# Phi-3.5-mini vs Phi-4

> Side-by-side benchmark comparison for Phi-3.5-mini and Phi-4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/phi-3-5-mini-vs-phi-4
- Last updated: October 14, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Phi-3.5-mini if you want the stronger benchmark profile. Phi-4 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Phi-3.5-mini leads overall 51 to 24.97.
- The biggest single benchmark swing is MGSM in Multilingual, with scores of 47.9% and 80.6%.
- Phi-3.5-mini also has the larger context window at 128K.

## Model Snapshot

| Property | Phi-3.5-mini | Phi-4 |
|----------|----------|----------|
| Creator | Microsoft | Microsoft |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 16K |
| Overall Score | null | 24.97 |
| Benchmarks Covered | 8 | 5 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Coding

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: Coming soon

| Benchmark | Phi-3.5-mini | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 62.8% | 82.6% | Phi-4 |

### Reasoning

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: 25.9 (Unranked · 2 rankable rows)

| Benchmark | Phi-3.5-mini | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| BBH | 69% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: 23.5 (Supported · #173/181)

| Benchmark | Phi-3.5-mini | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 69% | 84.8% | Phi-4 |
| MMLU-Pro | 47.4% | Coming soon | Coming soon |
| GPQA | 30.4% | 56.1% | Phi-4 |
| MMMLU | 55.4% | Coming soon | Coming soon |

### Multilingual

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: 1 (#17/17)

| Benchmark | Phi-3.5-mini | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| MGSM | 47.9% | 80.6% | Phi-4 |
| MMLU-ProX | Coming soon | 49.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: 28.8 (#118/128)

### Mathematics

- Winner: Not comparable
- Phi-3.5-mini public-lane score: Coming soon
- Phi-4 public-lane score: Coming soon

| Benchmark | Phi-3.5-mini | Phi-4 | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | 86.2% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Phi-3.5-mini or Phi-4?

Phi-3.5-mini is ahead overall on BenchLM right now.

### How many benchmarks does Phi-3.5-mini cover on BenchLM?

Phi-3.5-mini currently has 8 sourced benchmark scores on BenchLM.

### How many benchmarks does Phi-4 cover on BenchLM?

Phi-4 currently has 5 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Phi-3.5-mini vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-3-5-mini)
- [Phi-4 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-4)
- [Phi-3.5-mini vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-phi-3-5-mini)
- [Phi-4 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-phi-4)

## Explore More

- [Phi-3.5-mini profile](/models/phi-3-5-mini)
- [Phi-4 profile](/models/phi-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)