open-source AI 3

First open-source 4K AI model for synchronized video and audio generation. LTX-2 is a state-of-the-art, production-ready AI foundation model developed by Lightricks for generating synchronized audiovisual content. It is the first fully open-source, open-weights AI model that supports native 4K resolution (2160p) video generation at up to 50 FPS, along with synchronized audio generation (including dialogue, ambient sounds, and music). Powered by a 19B parameter Diffusion Transformer (DiT) architecture, LTX-2 supports text-to-video and image-to-video generation, creating clips up to 20 seconds long. It is optimized for NVIDIA GPUs, offering 3x faster performance on RTX 50 Series.

Self-hosted local AI platform for text, images, and speech Lemonade is a self-hosted local AI platform for running text, image, and speech models on your own hardware. It provides a GUI, CLI, REST API, and SDKs so you can chat locally, build AI apps and agents, and integrate local inference into existing tools. It is designed to be private by default, transparent, and flexible across major desktop and server platforms.

Free AI image generator with fast creation tools Z-Image is a free AI image generation platform that lets users create high-quality images in seconds using fast, easy-to-use creative tools. It supports text-to-image generation, prompt editing, curated prompt discovery, LoRA models, image parsing, and other workflows for creating and refining AI artwork. The site also offers paid upgrades for faster generation, no watermarks, priority access, and advanced model support.