Skip to index

ComfyUI vs Leonardo AI

ComfyUI and Leonardo AI are both Image Generation tools in our directory. This side-by-side comparison covers pricing, editorial scores, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeComfyUILeonardo AI
Product statusStatus not recordedStatus not recorded
VendorComfy OrgLeonardo AI
Rating★ 4.7★ 4.6
PricingFreemiumFreemium
PlatformsWindows, macOS, Linux, Self-hosted, Cloud, APIWeb, API
Key featuresNode-based workflow composition, JSON graph save/load, Model and custom-node configurationImage generation, Prompt/reference image editing, Elements/LoRA training
Headquarters——
Launched——
Open sourceYesNo

Key differences

  • ComfyUI carries the higher editorial score (4.7★ vs 4.6★).
  • Both ComfyUI and Leonardo AI use a Freemium model.
  • ComfyUI is open source (its code is public), while Leonardo AI is proprietary.
  • ComfyUI runs on Windows, macOS, Linux, Self-hosted, Cloud, API; Leonardo AI runs on Web, API.

ComfyUI and Leonardo AI at a glance

ComfyUI

Comfy Org

Node-based media workflows with JSON graph exchange and custom extensions; local open-source software, paid cloud execution and external model calls have separate requirements and costs.

Rating
4.7★
Pricing
Freemium

Editorial verdict

Consider it when you need editable node workflows and can maintain their components. Confirm model permissions and local, cloud and external-call costs before production.

Strengths

  • Node-based composition and JSON workflow exchange
  • Local code available under GPL-3.0
  • Custom nodes and optional hosted/API workflows

Key features

  • Node-based workflow composition
  • JSON graph save/load
  • Model and custom-node configuration
  • Local software with optional paid cloud/Partner Nodes

Best for

  • Designing a versioned image or video workflow
  • Sharing a graph together with documented dependencies
  • Evaluating local versus hosted execution costs
Read the full ComfyUI review →

Leonardo AI

Leonardo AI

Image generation and reference-based editing platform with Elements/LoRA training; private generation and API usage have separate plan conditions.

Rating
4.6★
Pricing
Freemium

Editorial verdict

Evaluate it when generation, editing and custom style training belong in one workflow. Confirm privacy, rights and actual token use before production.

Strengths

  • Generation and prompt/reference-based editing in one platform
  • Documented Elements/LoRA workflow for custom styles or subjects
  • Free exploration, paid private generation and separate API options

Key features

  • Image generation
  • Prompt/reference image editing
  • Elements/LoRA training
  • Separate usage-based API

Best for

  • Exploring illustration and game-asset concepts before manual review
  • Evaluating a reusable style or subject with authorized training images
  • Editing existing images with prompts and references
Read the full Leonardo AI review →

Feature overlap

  • The two tools have no listed features in common — see both feature lists above.
  • ComfyUI also lists: Node-based workflow composition, JSON graph save/load, Model and custom-node configuration, Local software with optional paid cloud/Partner Nodes
  • Leonardo AI also lists: Image generation, Prompt/reference image editing, Elements/LoRA training, Separate usage-based API

Frequently asked questions

Is ComfyUI or Leonardo AI better?

By editorial score, ComfyUI scores higher (4.7★ vs 4.6★). Both are capable Image Generation tools, so review the feature comparison for your use case.

Which is cheaper, ComfyUI or Leonardo AI?

Both ComfyUI and Leonardo AI use a Freemium pricing model.

Are ComfyUI and Leonardo AI open source?

ComfyUI is open source, while Leonardo AI is proprietary.

What platforms do ComfyUI and Leonardo AI support?

ComfyUI supports Windows, macOS, Linux, Self-hosted, Cloud, API; Leonardo AI supports Web, API.

What are the main features of ComfyUI and Leonardo AI?

ComfyUI: Node-based workflow composition, JSON graph save/load, Model and custom-node configuration, Local software with optional paid cloud/Partner Nodes. Leonardo AI: Image generation, Prompt/reference image editing, Elements/LoRA training, Separate usage-based API.

Visit ComfyUI →Visit Leonardo AI →

More Image Generation comparisons

AUTOMATIC1111 vs ComfyUIAUTOMATIC1111 vs Draw ThingsAUTOMATIC1111 vs FluxAUTOMATIC1111 vs FooocusAUTOMATIC1111 vs InvokeAUTOMATIC1111 vs Kittl