AltFreeStack
VS

ComfyUI vs InvokeAI: which one to choose in 2026?

Both are open source alternatives to Midjourney. We compare license, tech stack and features to help you decide which fits your team best.

ComfyUIInvokeAI
CategoryArtificial IntelligenceArtificial Intelligence
LicenseGPL-3.0Apache-2.0
GitHub stars 58k 24k
Tech stackPython, PyTorchPython, React, PyTorch
ReplacesMidjourneyMidjourney

ComfyUI has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).

ComfyUI

Node-based image generation, an advanced alternative to Midjourney.

Pros

  • Maximum control over every step of the generation pipeline

Things to consider

  • Steeper learning curve than simple prompt interfaces
View ComfyUI's full profile

InvokeAI

Polished Stable Diffusion interface with a unified canvas, an alternative to Midjourney.

Pros

  • The friendliest interface for non-technical users among local options

Things to consider

  • Requires an NVIDIA GPU with enough VRAM
View InvokeAI's full profile

Key features

ComfyUI

  • Node-based generation pipelines
  • Reproducible, shareable workflows
  • Supports ControlNet, LoRAs and custom models

InvokeAI

  • Unified canvas with inpainting/outpainting
  • Visual model and LoRA management
  • Interface built for artists, not just devs