# LLMs.txt # Standardized Machine-Readable Site Manifest # Specification: https://llmstxt.org > Lapis is a native on-device AI application for Apple Silicon (iOS, iPadOS). > It runs large language models, reasoning, and vision-language models locally using Apple MLX and Metal GPU acceleration. > 100% offline, air-gapped, zero telemetry, completely free. - [Main Website](https://lapis.lvrpiz.com/): Official homepage with interactive MLX telemetry and feature overview. - [Full Documentation](https://lapis.lvrpiz.com/llms-full.txt): Comprehensive technical specifications, architecture, and FAQ for LLM reasoning engines. - [App Store](https://apps.apple.com/us/app/ai-offline-llm-chat-lapis/id6754216427): Official download link on the Apple App Store. - [FAQ](https://lapis.lvrpiz.com/faq): Technical and operational answers regarding memory management and supported devices. - [Privacy Policy](https://lapis.lvrpiz.com/privacy-policy): Complete commitment to on-device sandboxing and zero data collection. - [Press Kit](https://lapis.lvrpiz.com/press-kit): Official brand assets and developer contact. ## Core Capabilities - **Engine**: Apple MLX + Metal Performance Shaders (MPS). - **Vision / OCR**: On-device document parsing with SmolVLM and Qwen2-VL. - **Voice Mode**: Real-time voice interaction with Voice Activity Detection (VAD) and WebGPU liquid shader rendering. - **Model Hub**: Hugging Face community MLX weights support (Qwen2.5, DeepSeek-R1-Distill, Llama-3.2).