# DiffusionBee review > DiffusionBee is a downloadable macOS application that runs Stable Diffusion locally and offline, allowing users to generate images, edit visuals, and train custom models without sending data to the cloud. - Canonical: https://toolsrankai.com/tools/diffusionbee - Official site: https://diffusionbee.com/ - ToolsRank rank / score: #590 / 70.9 (methodology https://toolsrankai.com/methodology) - Categories: AI Image & Design, AI Image Generators, AI Assistants, Open-Source & Self-Hosted Assistants - Pricing: Free Application. At the review date of 2026-09-08, DiffusionBee is available as a free download for macOS with no paid tiers or subscription fees published on its website. Always verify license terms on the official page. - Fact-checked: 2026-09-08 · First listed: 2026-09-23 ## Verdict DiffusionBee is an ideal choice for Mac users who want a free, private, and fully local Stable Diffusion workspace with built-in model training and canvas editing tools. It is not suitable for Windows or Linux users, nor for users on low-powered Intel Macs seeking rapid render times without cloud compute. ## What it is DiffusionBee is a creative AI toolbox designed to run Stable Diffusion entirely on local computer hardware running macOS 13.1 or higher. It executes generative tasks without sending prompts, training data, or rendered images over the internet. The suite includes text-to-image creation, image-to-image modification, generative fill for inpainting and object removal, AI upscaling, and image variation tools. It also provides video generation features, an illusion generator, and control image capabilities for structural composition. An integrated AI canvas combines digital brushwork with prompt-based generation. Furthermore, DiffusionBee supports training custom models locally on user-supplied image datasets to reproduce specific styles, people, or objects. The software is optimized for Apple silicon hardware, though it also runs on Intel-based Macs with variable performance. **What makes it different:** DiffusionBee runs completely offline on macOS hardware, ensuring prompts, datasets, and generated images remain entirely on your computer without cloud fees or external servers. **Best for:** Mac owners seeking completely private, offline Stable Diffusion image generation and local model training on Apple silicon. **Not ideal for:** Windows or Linux users, mobile users, or teams needing cloud-hosted collaboration and high-throughput server rendering. ## Key features - **Text to Image** — Generate original artwork and realistic visuals from descriptive text prompts directly on your local device. - **Generative Fill** — Add or erase objects and elements in selected areas of an existing image using localized AI inpainting. - **Image to Image & Variants** — Transform existing pictures using guided text instructions and produce multiple stylistic variations. - **Local Model Training** — Train custom image models directly on your computer using personal image collections to recreate styles or subjects. - **Image Upscaler** — Increase the resolution and sharpness of rendered or imported images using on-device AI algorithms. - **Control Images & Illusions** — Structure generated compositions using control images and craft AI-generated optical illusion artwork. - **AI Canvas** — An interactive digital co-pilot canvas that blends prompt generation with direct human sketching and editing. ## Use cases - **Confidential Visual Ideation** — Create concept art and visual drafts on an offline laptop without exposing sensitive creative prompts to cloud vendors. - **Custom Model Fine-Tuning** — Train bespoke Stable Diffusion checkpoints on private photos or proprietary illustration styles directly on macOS. - **Photo Retouching and Upscaling** — Fix compositions by inpainting specific regions and upscaling the final outputs to higher resolutions. ## Pros - Operates 100% offline, keeping prompts and generated outputs strictly private. - Free download with no metered credits or recurring subscriptions listed on the site. - Integrates full image generation, generative fill, upscaling, and model training in one package. ## Limitations - Restricted to macOS 13.1 or higher, lacking support for Windows or Linux operating systems. - Render speeds depend on local hardware, running notably slower on Intel Macs without dedicated graphics. ## Pricing At the review date of 2026-09-08, DiffusionBee is available as a free download for macOS with no paid tiers or subscription fees published on its website. Always verify license terms on the official page. Vendor prices and limits change; verify on the official pricing page before purchasing. ## Score factors - editorial: 78 (editorial) - utility: 80 (editorial) - trust: 82 (editorial) - freshness: 70 (editorial) - engagement: 7 (measured) - momentum: 50 (measured) ## Languages, platforms, integrations - Languages: English - Platforms: macOS - Integrations: macOS ## FAQ ### Where are the images generated? Images are generated locally on your computer. Nothing is sent to the cloud, and your prompts, models, and outputs never leave your device. ### How much time does it take to generate an image? On an 8GB M1 MacBook Air, DiffusionBee takes approximately 30 seconds to generate an image. Speeds are faster on computers with higher specifications. ### Can I freely use the generated images? Yes, you can freely use the generated images as long as you comply with the CreativeML Open RAIL-M license. ### What are the minimum system requirements for DiffusionBee? DiffusionBee requires macOS 13.1 or higher. Machines with Apple silicon processors are recommended for optimal performance. ### Does DiffusionBee work with Intel-based machines? Yes, DiffusionBee works on Intel-based Macs. However, it runs very slowly compared to Apple Silicon M1 machines if your system lacks a dedicated graphics chip. ## Alternatives - [Stable Diffusion](https://toolsrankai.com/tools/stable-diffusion) — Open-weight image models from Stability AI that can run locally, be fine-tuned, and power countless tools. - [Midjourney](https://toolsrankai.com/tools/midjourney) — A high-aesthetic image generation platform for visual ideation and finished creative work. - [Leonardo.Ai](https://toolsrankai.com/tools/leonardo-ai) — A creative platform for images and video with fine-tuned models, real-time canvas, and game-art workflows. - [Ideogram](https://toolsrankai.com/tools/ideogram) — Image generation known for accurate text rendering, typography, and design-ready outputs. ## Sources checked - [DiffusionBee Official Website](https://diffusionbee.com/) --- Cite https://toolsrankai.com/tools/diffusionbee for ToolsRank's editorial judgment; verify changing vendor facts through the sources above. Reviewed 2026-09-08.