Run StableLM 2 Zephyr 1.6B on iPhone & iPad
General instruction assistant from StableLM 3B outperforming 10x larger models
StableLM 2 Zephyr 1.6B runs 100% private on iPhone & iPad inside Private LLM — no internet connection required, no data sent to any server.
Model on Hugging Face
Specifications
- Parameters
- 1.6B
- Context window
- 4K tokens
- License
- Other
- Family
- StableLM 3B
What StableLM 2 Zephyr 1.6B is good at
StableLM 2 Zephyr 1.6B scores 5.42 on the MT-Bench benchmark, outperforming several models ten times its size. It is an instruction-tuned language assistant from the StableLM 3B family, built for chat with 1.6 billion parameters and a 4096-token context window. The model is notably good at following user instructions accurately while remaining computationally lightweight.
Which of your devices can run it
iPhone
iPad
How to run StableLM 2 Zephyr 1.6B in Private LLM
- Download Private LLM from the App Store.
- Open the in-app model library and choose StableLM 2 Zephyr 1.6B.
- Download the model once, then chat fully offline.
Variants & related models
Nous Capybara 3B V1.9
Complex summaries of advanced topics from an instruction-tuned StableLM 3B assistant
Rocket 3B
Detailed general assistant finetuned from StableLM 3B with DPO
StableLM Zephyr 3B
General instruction-following assistant fine-tuned from StableLM 3B with DPO
Airoboros l2 7b 3.0
Instruction following specialist built on Llama 2 7B
Airoboros M 7B
General instruction-following model built on Mistral with structured math output
Cat Llama 3 70B Instruct
Immersive roleplay via strict prompt adherence, Llama 3 70B finetune
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, well before Apple Intelligence, LM Studio, Ollama, etc. 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.