# Llama 3.1 70B vs Phi-3.5-mini

> Side-by-side benchmark comparison for Llama 3.1 70B and Phi-3.5-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/llama-3-1-70b-vs-phi-3-5-mini
- Last updated: October 14, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Llama 3.1 70B 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

- Llama 3.1 70B leads overall 60 to 51.
- The biggest single benchmark swing is MGSM in Multilingual, with scores of 86.9% and 47.9%.

## Model Snapshot

| Property | Llama 3.1 70B | Phi-3.5-mini |
|----------|----------|----------|
| Creator | Meta | Microsoft |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 128K |
| Overall Score | null | null |
| Benchmarks Covered | 7 | 8 |
| Pricing (input/output) | N/A | N/A |

## Category Breakdown

### Coding

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 80.5% | 62.8% | Llama 3.1 70B |

### Reasoning

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| BBH | Coming soon | 69% | Coming soon |

### Knowledge

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 86% | 69% | Llama 3.1 70B |
| MMLU-Pro | 66.4% | 47.4% | Llama 3.1 70B |
| GPQA | 46.7% | 30.4% | Llama 3.1 70B |
| MMMLU | Coming soon | 55.4% | Coming soon |

### Multilingual

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| MGSM | 86.9% | 47.9% | Llama 3.1 70B |

### Instruction Following

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 87.5% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Llama 3.1 70B public-lane score: Coming soon
- Phi-3.5-mini public-lane score: Coming soon

| Benchmark | Llama 3.1 70B | Phi-3.5-mini | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | 95.1% | 86.2% | Llama 3.1 70B |

## FAQ

### Which is better overall, Llama 3.1 70B or Phi-3.5-mini?

Llama 3.1 70B is ahead overall on BenchLM right now.

### How many benchmarks does Llama 3.1 70B cover on BenchLM?

Llama 3.1 70B currently has 7 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

- [Llama 3.1 70B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-llama-3-1-70b)
- [Phi-3.5-mini vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-phi-3-5-mini)
- [Llama 3.1 70B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-llama-3-1-70b)
- [Phi-3.5-mini vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-phi-3-5-mini)

## Explore More

- [Llama 3.1 70B profile](/models/llama-3-1-70b)
- [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)