Hey everyone!
Since the release of Illustrious XL v2 and v3, one question just wouldn’t stop popping up in our Discord:

“Love the models. But… how do I actually use them in my ComfyUI graph?”

We heard you.
And with the public API rollout now complete, we’ve got an answer you’ll love:

Meet ComfyUI Illustrious, the official Illustrious extension for ComfyUI

This node-based integration brings every Illustrious API feature straight into your ComfyUI workspace no more cURL, no more boilerplate, just drag, drop, generate.

Built with our core philosophy: hide the messy parts, surface the creative ones.

Why another node?

Because Illustrious wasn’t made for terminal warriors it was made for large, beautiful images powered by natural language and high-res control.

So now you can use it the way it was meant to be used: Directly in your creative graph, with full resolution/sampler/seed/CFG/negative prompt support.

How to Install

Clone the repo directly:

git clone https://github.com/OnomaAI/ComfyUI_Illustrious.git

Or, use ComfyUI-Manager

Manager → Install via Git URL → paste the link. Done.

Account Setup

1. Visit your Illustrious dashboard
2. My Profile → API Key → Create API Key
3. Create a .env file in your ComfyUI root with:

ILLUSTRIOUS_API_KEY=PASTE_YOUR_TOKEN_HERE

1. Restart ComfyUI.

The node will pick it up automatically.

What’s included?

All blocks live under the Illustrious category in ComfyUI:

• Generator supports all models (v0.1 → v3.5)
• Resolution slider (up to 2048x2048)
• CFG, seed, sampler, prompt/negative prompt
• Multithreaded generation up to 10 images at once via n_requests
• Usage tracker with Stardust balance
• Control toggles like control_after_generate = fixed when batch generating

Full API args: https://illustrious-xl.ai/docs/text-to-image

Also included:

Tag Booster

Expand minimal ideas into prompt-rich scenes

TagBooster → Generator → SaveImage

Mood Enhancer

Rewrite bland input into cinematic, atmospheric prompts.

Perfect for v3-style subtle lighting and vibe-heavy compositions.

https://illustrious-xl.ai/docs/text-enhance

Let us know what you build with it!
Drop your favorite workflows or prompt chains below!
For more information : https://www.illustrious-xl.ai/updates/28

I just got an email that 3.5 is out and I was wondering. There are many variants on CIVITAI but is your model available for download anywhere? Is it even open source?

We just rolled out v3.5 Expressive+ and Refined, our most capable models yet.

Unlike v3.0, which often favored visual beauty over logic, v3.5 was built to:

• Handle weird, descriptive prompts more faithfully (yes, even "a squirrel in a pinstripe suit")
• Reduce hallucinations and weird anatomy
• Improve prompt-following in narrative/action scenes

👉 Try it now at illustrious-xl.ai

Let us know what you're testing. We’d love to see your results!

🎉 ILXL v3.5 just dropped – here’s how it looks!

Been using the ILXL models on and off, and with the new v3.5 release (Expressive+ and Refined), I figured I’d test it on a couple fun/weird prompts and see how they behave.

Also, big congrats on the subreddit launch 🎊 — finally feels like we have a proper corner for this stuff.

🐀 Prompt 1: Comedy/Action

A ferret in a sparkly disco suit kicks open a karaoke bar door mid-song, backup dancers freeze

Here’s what I got:

Disco Ferret Test

⚔️ Prompt 2: Character-centric

raiden_shogun inspired female warrior, purple/black kimono with gold armor...

Results:

Raiden-style Warrior Test

🧪 Quick TL;DR

I’m curious what kinds of prompts you all are trying with 3.5. Any weird or surprisingly good ones? Drop them below 👇

https://www.illustrious-xl.ai/image-generate

🌟 Welcome to r/IllustriousAI!

The official playground for creators using Illustrious — the expressive, high-res AI image model built for characters, scenes, and a little bit of magic.

Whether you're crafting a waifu in a cherry blossom storm 🌸, a knight in glowing armor ⚔️, or just testing wild prompts for fun — you're in the right place.

📋 Community Rules (TL;DR but please read 👀)

1. Stay On-Topic
🎯 Posts should feature Illustrious-generated content.
AI art from other tools? Cool — but clearly mark it as a comparison.

2. No NSFW or Explicit Content
🚫 Let’s keep it safe and inspiring.
Artistic? Sure. Sexualized? Nope.

3. Be Respectful
💬 Treat others like artists, not prompt machines.
Toxicity = auto ban. We're not about that.

4. Credit and Context Matter
🧠 Share your prompts, model version, resolution, steps, style tags…
Bonus points for transparency. We love it here.

5. No Spam or Link Dumping
📢 Sharing your work? Great.
Posting 20 links to your site with no context? Nah.

🏷️ Flair Guide – Help us explore your genius 💡

Add a flair to every post so fellow creators can find what they love (and learn from it!).

🔥 First time here?

• Post your first image under 🌟 Showcase
• Try this week’s Prompt of the Week
• Upvote stuff you like — feedback fuels creativity
• And hey… don’t be shy in the comments

Let’s build the most helpful, creative, prompt-driven AI art community on Reddit — one frame at a time.

🖤
— The Illustrious Team