# Grok 2 vs Phi-3.5-mini

> Side-by-side benchmark comparison for Grok 2 and Phi-3.5-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-2-vs-phi-3-5-mini
- Last updated: October 14, 2026

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

## Quick Verdict

Pick Grok 2 if you want the stronger benchmark profile. Phi-3.5-mini only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Grok 2 leads overall 65 to 51.
- The biggest single benchmark swing is MMLU-Pro in Knowledge, with scores of 75.5% and 47.4%.
- Phi-3.5-mini also has the larger context window at 128K.

## Model Snapshot

| Property | Grok 2 | Phi-3.5-mini |
|----------|----------|----------|
| Creator | xAI | Microsoft |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | Unknown | 128K |
| Overall Score | null | null |
| Benchmarks Covered | 5 | 8 |
| Pricing (input/output) | N/A | N/A |

## Category Breakdown

### Coding

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 88.4% | 62.8% | Grok 2 |

### Reasoning

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| BBH | Coming soon | 69% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 66.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 56% | 30.4% | Grok 2 |
| MMLU | 87.5% | 69% | Grok 2 |
| MMLU-Pro | 75.5% | 47.4% | Grok 2 |
| MMMLU | Coming soon | 55.4% | Coming soon |

### Multilingual

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| MGSM | Coming soon | 47.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Grok 2 public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Grok 2 | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | Coming soon | 86.2% | Coming soon |

## FAQ

### Which is better overall, Grok 2 or Phi-3.5-mini?

Grok 2 is ahead overall on BenchLM right now.

### How many benchmarks does Grok 2 cover on BenchLM?

Grok 2 currently has 5 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [Grok 2 vs Grok 2 mini](/compare/grok-2-vs-grok-2-mini)
- [Phi-3.5-mini vs Grok 2 mini](/compare/grok-2-mini-vs-phi-3-5-mini)
- [Grok 2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-2)
- [Phi-3.5-mini vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-3-5-mini)

## Explore More

- [Grok 2 profile](/models/grok-2)
- [Phi-3.5-mini profile](/models/phi-3-5-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)