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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 or 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 StoreJoin our Discord

Variants & related models

Frequently asked questions

  • 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.

  • StableLM 2 Zephyr 1.6B runs on iPhone and iPad in Private LLM; a Mac is not required.

  • 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.

  • 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.

Specifications and summary come from StableLM 2 Zephyr 1.6B's Hugging Face model card. Private LLM ships its own model builds and isn't affiliated with the model's authors.