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InvokeAI

open_source

InvokeAI is a free, open-source AI image generation engine with a powerful WebUI, layer-based canvas editing, and support for Stable Diffusion and SDXL. Self-hosted and Apache 2.0 licensed.

About

InvokeAI is a powerful, open-source AI image generation platform designed specifically for creative professionals. Available for Windows, Mac, and Linux, it can be self-hosted so users retain full privacy and control over their data and generated assets. At its core is an industry-leading WebUI featuring a layer-based canvas editor that rivals professional design tools, enabling detailed compositing and image manipulation directly within the interface. InvokeAI supports a wide range of generative models including Stable Diffusion and SDXL, and extends its flexibility through a node-based workflow composer that allows artists to chain together complex generation pipelines without writing a single line of code. Originally launched as a hosted service before the founding team joined Adobe, InvokeAI continues as a thriving community-driven project under stewardship of its core maintainers. It is licensed under the Apache 2.0 license, making it free to use, modify, and distribute. A vibrant Discord community provides support, inspiration, and collaborative development. Whether you are an independent artist exploring generative art, a designer integrating AI into a professional workflow, or a developer building on top of open-source models, InvokeAI provides the tooling and flexibility to harness the full potential of generative AI.

Key Features

  • Layer-Based Canvas Editor: An industry-leading WebUI with a layer-based canvas allows artists to composite, inpaint, outpaint, and refine images with precision, similar to professional design software.
  • Multi-Model Support: Supports Stable Diffusion, SDXL, and a wide range of other open-source generative models, giving creators access to cutting-edge image synthesis capabilities.
  • Node-Based Workflow Composer: A visual node editor lets users build complex, custom AI pipelines by connecting modular components — no coding required.
  • Fully Self-Hosted & Private: Runs entirely on your own hardware, ensuring complete data privacy and no dependency on external cloud services or usage limits.
  • Apache 2.0 Open Source License: Freely available to use, modify, and distribute under Apache 2.0, with active community development and contributions via GitHub.

Use Cases

  • Creating high-quality AI-generated artwork and illustrations for personal or commercial projects.
  • Using the layer-based canvas for inpainting, outpainting, and compositing AI images in a professional design workflow.
  • Building custom image generation pipelines with the node-based composer for repeatable, automated creative workflows.
  • Experimenting with and fine-tuning open-source generative models like Stable Diffusion and SDXL in a fully private, local environment.
  • Powering AI art production for studios or agencies that require data privacy and on-premise control over generated assets.

Pros

  • Completely Free & Open Source: Licensed under Apache 2.0, InvokeAI costs nothing and can be freely modified or extended, making it ideal for individuals and studios on any budget.
  • Full Data Control: Self-hosting means all images and prompts remain on your own machine — no third-party servers, no data harvesting.
  • Active Community & Ongoing Development: A large Discord community and dedicated maintainers ensure regular updates, bug fixes, and new features driven by real user needs.
  • Professional-Grade Tooling: The layer canvas, node workflows, and model flexibility rival paid commercial tools, making it suitable for professional creative production.

Cons

  • Requires Local Hardware Setup: Self-hosting requires a capable GPU and some technical knowledge to install and configure, which may be a barrier for non-technical users.
  • No Managed Cloud Option: The original hosted service has been shut down, so users without capable local hardware cannot access a convenient cloud-based alternative.
  • Steeper Learning Curve for Advanced Features: The node-based workflow composer and advanced canvas tools offer great power but may take time to learn for those new to generative AI pipelines.

Frequently Asked Questions

Is InvokeAI completely free to use?

Yes. InvokeAI is licensed under Apache 2.0, meaning it is free to download, use, modify, and distribute with no usage fees or subscriptions.

What operating systems does InvokeAI support?

InvokeAI provides installers for Windows, Mac, and Linux, covering all major desktop operating systems.

Which AI models does InvokeAI support?

InvokeAI supports Stable Diffusion, SDXL, and a variety of other open-source generative image models. Users can import and use community fine-tuned checkpoints as well.

Is there a hosted or cloud version of InvokeAI?

The original hosted platform was shut down when the founding team joined Adobe. InvokeAI is now maintained as a community open-source project and must be self-hosted on your own hardware.

Where can I get help or connect with other InvokeAI users?

The InvokeAI Discord community is the primary hub for support, inspiration, and collaboration. You can also find documentation and contribute via the GitHub repository.

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