Art

DiffusionBee: Free Stable Diffusion App for Mac (2026)

DiffusionBee is a free, open-source app that lets you run Stable Diffusion locally on your Mac. Generate AI art with a one-click installer, no technical knowledge needed, and complete privacy.

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Last reviewed: March 2026 · By NemoVideo Editorial Team

What Is DiffusionBee?

DiffusionBee: Free Stable Diffusion App for Mac (2026)

DiffusionBee is a free, open-source macOS application created by developer Divam Gupta that brings Stable Diffusion image generation to your Mac with a simple one-click installer. Unlike cloud-based AI art tools, DiffusionBee runs entirely on your local machine, meaning your prompts, models, and generated images never leave your device.

The app supports text-to-image generation, image-to-image transformation, inpainting (adding or removing objects in specific regions), AI-powered upscaling, image variation generation, and even AI animation and video creation. You can browse, download, and switch between community-trained models including Stable Diffusion 1.5, SDXL, and the newer FLUX models.

DiffusionBee requires macOS 13.1 or higher and works best on Apple Silicon Macs (M1/M2/M3/M4). On an 8GB M1 MacBook Air, it generates an image in roughly 30 seconds. Intel Macs are also supported but with slower performance.

One of DiffusionBee's standout features is custom model training: you can train image generation models using your own images with just a few clicks, all processed 100% locally. The app also keeps a running history of all your generations and includes a built-in upscaler to increase image resolution.

Best DiffusionBee Alternatives

If DiffusionBee doesn't meet your needs or you want to explore other local and cloud-based AI image generators, here are the top alternatives in 2026:

M
Mochi Diffusion

A native Mac app built on Apple's Core ML framework, optimized specifically for M1/M2/M3 processors. Mochi Diffusion is free, open-source, and has very active development with near-daily releases. A strong choice if you want the most Mac-optimized experience.

D
Draw Things

A polished Mac desktop app with an intuitive UI that automatically downloads models when you select them. Draw Things supports a wide range of Stable Diffusion models and offers a smooth workflow for both beginners and intermediate users on macOS.

A
AUTOMATIC1111 Web UI

The most comprehensive and feature-rich Stable Diffusion interface available. Best suited for advanced users who are familiar with AI image generation terminology. Runs locally via a browser-based UI and supports extensive customization, extensions, and ControlNet.

F
FLUX.1

A suite of open-source text-to-image models that has been shown to outperform competitors like Midjourney V6, DALL-E 3, and Stable Diffusion 3 Ultra in benchmarks. Available for local use and also supported within DiffusionBee's model browser.

DiffusionBee Pricing

DiffusionBee is completely free to download and use. There are no hidden costs, subscription fees, credit systems, or premium tiers. Because it runs locally on your Mac, there are no per-image charges or API usage fees either. The project is open-source and available on GitHub under the CreativeML OpenRAIL M license (inherited from Stable Diffusion).

ToolPriceKey Features
DiffusionBeeFree (forever)Text-to-image, img2img, inpainting, upscaling, local model training, FLUX support
Mochi DiffusionFreeNative Core ML, Apple Silicon optimized, open-source
Midjourney$10 - $120/moCloud-based, high-quality outputs, Discord and web interface
NemoVideoFree / PremiumAI-powered video editing, agentic workflow, smart captions

Bring your artwork to life as video. View NemoVideo's plans -- every tier includes AI editing and smart captions.

Is DiffusionBee Free?

Yes, DiffusionBee is 100% free. It is not a freemium product with limited features or usage caps. Every feature, including text-to-image generation, image-to-image transformation, inpainting, upscaling, custom model training, and FLUX model support, is available at no cost. There is no account registration, no cloud processing fees, and no watermarks on generated images.

Because DiffusionBee runs entirely on your local hardware, the only "cost" is the computing power of your Mac. The app is open-source, so the community can inspect the code, contribute improvements, and fork the project freely via GitHub.

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How to Use DiffusionBee for Beginners

DiffusionBee is designed to be the simplest way to get started with Stable Diffusion on Mac. No Python, no command line, no manual dependency installation.

Step 1: Download and Install

Go to diffusionbee.com and download the .dmg file. Open it and drag the DiffusionBee icon into your Applications folder, just like any standard Mac app. You can also install it via Homebrew with brew install --cask diffusionbee.

Step 2: First Launch and Model Download

When you first open DiffusionBee, it will automatically download the base Stable Diffusion models, which are approximately 8GB. This is a one-time download. After that, the app works completely offline.

Step 3: Generate Your First Image

Type a text prompt into the prompt box and click "Generate." Start with smaller image sizes (around 256x256) and generate 4 images at a time so you can quickly see what your prompt changes are doing. Use the "Prompt Ideas" button for gallery inspiration and the "Styles" button to add commonly used artistic terms to your prompt.

Step 4: Save and Iterate

Click "Save Image" to export your creation. Once you find a prompt that works well, increase the image size and number of images. You can also try image-to-image mode to refine existing images, or use inpainting to modify specific regions of a generated image.

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Best AI Art Tools in 2026

The AI art landscape in 2026 offers powerful tools for creators at every level, from completely free local apps to premium cloud services. Here are the standout platforms to consider:

  • DiffusionBee — Free, open-source Stable Diffusion app for Mac with one-click install, inpainting, upscaling, and FLUX model support
  • Mochi Diffusion — Native Mac app using Core ML for optimized Apple Silicon performance, free and open-source
  • Draw Things — Polished Mac app with automatic model management and beginner-friendly interface
  • AUTOMATIC1111 Web UI — The most feature-rich Stable Diffusion interface for power users, supports extensions and ControlNet
  • Midjourney — Leading cloud-based AI image generator known for exceptional artistic quality (paid subscription)
  • FLUX.1 — Open-source models rivaling Midjourney and DALL-E 3 in quality, available locally and in DiffusionBee
  • NemoVideo — AI-powered agentic video editing platform, ideal for turning AI art into professional video content

Does DiffusionBee Have an API?

No, DiffusionBee does not offer a native API. It is a desktop application designed for interactive local use on Mac, not an API-first platform. You interact with it through its graphical user interface, not through programmatic endpoints.

However, since DiffusionBee is open-source (available on GitHub at divamgupta/diffusionbee-stable-diffusion-ui), developers can inspect the source code and potentially build on top of it. Third-party integration is also available through ApiX-Drive, which offers connectors to link DiffusionBee with other services. For developers who need a programmatic Stable Diffusion API, consider Stability AI's platform API or running AUTOMATIC1111's Web UI with its built-in API mode.

Frequently Asked Questions

Yes, DiffusionBee is completely free and open-source. There are no hidden costs, subscriptions, or credit systems. It runs 100% locally on your Mac with no cloud dependency, so you can generate unlimited AI images at no cost.
Top DiffusionBee alternatives for Mac include Mochi Diffusion (native Mac app using Core ML), Draw Things (desktop UI with automatic model downloads), and AUTOMATIC1111 Stable Diffusion Web UI (for advanced users). Cloud-based alternatives include Midjourney, DALL-E 3, and FLUX.1. For turning AI art into video, NemoVideo offers AI-powered video editing.
Download the .dmg file from diffusionbee.com, drag it into your Applications folder, and launch it. On first run, DiffusionBee downloads the base Stable Diffusion models (~8GB). Then simply type a text prompt and click Generate to create your first AI image. No account or sign-up is required.
No, DiffusionBee does not have a native API. It is a desktop application for local use on Mac, not an API-first platform. The source code is available on GitHub for developers who want to build on it, and third-party integration is possible via ApiX-Drive.
No, DiffusionBee runs entirely locally on your Mac after the initial setup and model download. This means you can generate AI art offline without a subscription or API costs, and your prompts and images stay private on your machine.
DiffusionBee is optimized for Apple Silicon Macs (M1, M2, and newer chips). On these machines, it can generate images in under 30 seconds per prompt. It also runs on Intel Macs but significantly slower, making Apple Silicon the recommended hardware.
DiffusionBee supports importing custom Stable Diffusion 1.4, 1.5, and 2.1 models. However, users have reported issues with importing SDXL models, as the conversion process sometimes fails with compatibility errors. Standard SD models from sources like Civitai generally work well.
DiffusionBee offers a comprehensive suite including image-to-image transformation, inpainting (editing specific areas), outpainting (extending images beyond borders), upscaling for higher resolution, and custom model training. All features run locally through an intuitive graphical interface.
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