One app.
Infinite possibilities.
From AI chat to image generation, text-to-speech to knowledge management – everything runs locally on your device.
Chat with the world's best models
locally
Run powerful language models directly on your device. Choose from thousands of MLX and GGUF models. No internet required.
Supported Models
Llama 
Qwen 
Gemma 
Mistral 
Phi 
DeepSeek Explain quantum computing like I'm 10 years old
Imagine you have a magic coin that can be both heads AND tails at the same time...
Create stunning images
on-device
Generate beautiful images with Stable Diffusion, SDXL, and Lightning models. Full prompt control with negative prompts and upscaling.
Natural voices,
zero cloud
Convert text to speech with incredible natural voices. Create full audiobooks from ebooks. Multiple voice options with Kokoro and Qwen3 TTS.
"The year is 2026, and artificial intelligence no longer requires the cloud. With Lekh AI, powerful language models run directly on your device..."
Your AI-powered
second brain
Save and search your chat history with RAG-powered memory. Your conversations are stored locally and used as context for smarter, more personalized AI responses.
Turn ebooks into
audiobooks
Import ePub and text files, then convert them into full audiobooks with natural AI voices. Chapter-by-chapter processing, bookmarks, and playback controls – all on-device.
Upscale images to
4x resolution
Enhance any image with AI-powered 4x upscaling using RealESRGAN. Turn low-resolution photos into crisp, detailed images – entirely on your device.
Before 
After 4× Explore 3D worlds with
Gaussian Splats
View and interact with 3D Gaussian Splat scenes directly on your device. Rotate, zoom, and explore photorealistic 3D environments rendered in real-time.
Read smarter with
AI assistance
A beautiful ebook reader built right into Lekh AI. Import your ePub files, read offline, and use AI to summarize chapters or define concepts – all on-device.
Edit images with
AI precision
Transform your photos using AI-powered editing. Describe your changes in natural language and watch the AI modify your image – all processed locally.
Remove anything from
your photos
Brush over unwanted objects, people, or distractions and watch them vanish. AI-powered inpainting fills the area naturally – no cloud processing needed.
Bring old photos
back to life
Automatically colorize black and white photos using AI. Restore vintage family photos, historical images, and more with realistic, natural colors.
B&W 
Colorized