[Models](/models) / [StableLM 3B](/models?family=StableLM%203B#models-gallery) / StableLM 2 Zephyr 1.6B

![Stability AI logo](/model-logos/stability.svg)

# Run StableLM 2 Zephyr 1.6B on iPhone & iPad

StableLM 2 Zephyr 1.6B runs 100% private on iPhone & iPad inside Private LLM — no internet connection required, no data sent to any server.

1.6BiPhoneiPad

## Specifications

Parameters

1.6B

Context window

4K tokens

License

Other

Family

StableLM 3B

## What StableLM 2 Zephyr 1.6B is good at

general

StableLM 2 Zephyr 1.6B is a small English language model with 1.6 billion parameters, fine-tuned to follow instructions in a chat format. It is designed for chat applications and performs reasonably well for its size on benchmarks like MT Bench and OpenLLM Leaderboard. The model is for non-commercial research use and requires safety guardrails, as it can produce incorrect or harmful content.

## Which of your devices can run it

### iPhone

iPhone 17 Pro MaxiPhone 17 ProiPhone AiriPhone 17iPhone 16 Pro / 16 Pro MaxiPhone 16 / 16 PlusiPhone 16eiPhone 15 Pro / 15 Pro MaxiPhone 15 / 15 PlusiPhone 14 / 14 Plus / 14 Pro / 14 Pro MaxiPhone 13 Pro / 13 Pro MaxiPhone 13 / 13 miniiPhone SE (3rd gen)iPhone 12 Pro / 12 Pro MaxiPhone 12 / 12 miniiPhone 11 / 11 Pro / 11 Pro MaxiPhone XS / XS Max

### iPad

iPad Pro (M5, 16GB)iPad Pro (M5, 12GB)iPad Pro (M4, 16GB)iPad Pro (M4, 8GB)iPad Pro (M2, 16GB)iPad Pro (M2, 8GB)iPad Pro (M1, 16GB)iPad Pro (M1, 8GB)iPad Air (M4)iPad Air (M3)iPad Air (M2)iPad Air (M1)iPad Air (4th gen)iPad mini (A17 Pro)iPad mini (6th gen)iPad (A16)iPad (10th gen)

Browse every model that fits [iPhone](/models/best-for-iphone) or [Mac](/models/best-for-mac).

## How to run StableLM 2 Zephyr 1.6B in Private LLM

1.  Download Private LLM from the App Store.
2.  Open the in-app model library and choose StableLM 2 Zephyr 1.6B.
3.  Download the model once, then chat fully offline.

[![Download Private LLM on the App Store](/app-store/download-badge/en/download.svg)![Download Private LLM on the App Store](/app-store/download-badge/en/download-dark.svg)](/download)[Join our Discord](/discord)

## Variants & related models

![Stability AI logo](/model-logos/stability.svg)

### Nous Capybara 3B V1.9

2.8B

general

4K contextiPhone & iPad

[View details →](/models/nous-capybara-3b-v1.9)

![Stability AI logo](/model-logos/stability.svg)

### Rocket 3B

2.8B

general

4K contextiPhone & iPad

[View details →](/models/rocket-3b)

![Stability AI logo](/model-logos/stability.svg)

### StableLM Zephyr 3B

2.8B

general

4K contextMac

[View details →](/models/stablelm-zephyr-3b)

![Meta logo](/model-logos/meta.svg)

### Airoboros l2 7b 3.0

6.7B

general

4K contextiPhone & iPad · Mac

[View details →](/models/airoboros-l2-7b-3.0)

![Mistral logo](/model-logos/mistral.svg)

### Airoboros M 7B

7.2B

general

33K contextMac

[View details →](/models/airoboros-m-7b-3.1.2)

![Meta logo](/model-logos/meta.svg)

### Cat Llama 3 70B Instruct

70.6B

general

8K contextMac

[View details →](/models/cat-llama-3-70b-instruct)

## Frequently asked questions

-   Can I run StableLM 2 Zephyr 1.6B on iPhone?
    
    Yes. StableLM 2 Zephyr 1.6B runs on iPhone models with enough memory, such as iPhone 17 Pro Max, iPhone 17 Pro, iPhone Air, iPhone 17, iPhone 16 Pro / 16 Pro Max, iPhone 16 / 16 Plus, iPhone 16e, iPhone 15 Pro / 15 Pro Max, iPhone 15 / 15 Plus, iPhone 14 / 14 Plus / 14 Pro / 14 Pro Max, iPhone 13 Pro / 13 Pro Max, iPhone 13 / 13 mini, iPhone SE (3rd gen), iPhone 12 Pro / 12 Pro Max, iPhone 12 / 12 mini, iPhone 11 / 11 Pro / 11 Pro Max, iPhone XS / XS Max, fully on-device in Private LLM — no internet connection required.
    
-   Can I run StableLM 2 Zephyr 1.6B on Mac?
    
    StableLM 2 Zephyr 1.6B runs on iPhone and iPad in Private LLM; a Mac is not required.
    
-   Does StableLM 2 Zephyr 1.6B work offline?
    
    Yes. Once downloaded in Private LLM, StableLM 2 Zephyr 1.6B runs 100% on-device — no internet connection, and nothing is sent to any server.
    
-   Is StableLM 2 Zephyr 1.6B free to use?
    
    Private LLM is a one-time purchase with no subscription and no per-message cost. The models themselves are open source — once downloaded, they run offline with nothing to pay per use.
    

## Why run StableLM 2 Zephyr 1.6B in Private LLM

Private LLM has run local AI on iPhone, iPad, and Mac since 2023, before Apple Intelligence existed. Inference happens on your device, so your StableLM 2 Zephyr 1.6B conversations never reach a server.

### More from Numen

[![Slop or Not app icon](/app-icons/slop-or-not.png)

#### Slop or Not

Catch AI-written text on iPhone and Mac. The check runs on-device, so nothing you paste gets uploaded.

](https://slopornot.ai)[![Clean Links app icon](/app-icons/clean-links.png)

#### Clean Links

Strip trackers and clutter from any link before you share it. The cleanup happens on your device.

](https://cleanlinks.app)

Specifications and summary come from StableLM 2 Zephyr 1.6B's [Hugging Face model card](https://huggingface.co/stabilityai/stablelm-2-zephyr-1_6b). Private LLM ships its own model builds and isn't affiliated with the model's authors.