Illustrious XL vs FreeUpscaler

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Illustrious XL compared with FreeUpscaler
Detail	Illustrious XL	FreeUpscaler
What it does	Open-source SDXL-based AI model for native high-resolution anime art generation	Upscale video to 4K on your own GPU for free, or use cloud AI models
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Open source	Freemium
Pricing	Free for personal and research use; prohibits closed-source proprietary monetization	Local methods: free and unlimited. Cloud AI: 3 free credits on sign-up; credit packs from $5 (150 credits plus 20% bonus on first top-up); AI Restore ≈95 credits, Video Enhance ≈12 credits, Topaz Proteus ≈68 credits, Topaz Starlight ≈68 credits. Video prices are per 10-second 720p clip enlarged 2×.
Key features	Native 1536x1536 high-resolution generation without upscaling Hybrid Prompting System combining natural English and Danbooru tags Stable text encoder fine-tuning for superior concept understanding Trained on comprehensive Danbooru2023 dataset Full compatibility with ComfyUI, Automatic1111, Forge, and Draw Things Superior anatomy rendering with flawless hands and character details V-Prediction architecture for enhanced dynamic range and contrast Highly flexible base canvas for LoRA training and custom checkpoints	Upscale video 2×, 3× or 4× without upload Runs entirely in browser on local GPU Supports H.264, VP9, AV1 codecs Results stored 30 days for cloud runs Hardware-accelerated H.264 or VP9 encoding Works offline for local methods Precision and generative AI model options
What makes it different	Only open-source SDXL model natively trained at 1536x1536 resolution Stylistically neutral untuned base canvas unlike Pony Diffusion Continuous rapid iterations from v0.1 to v3.5 with aggressive optimization Thousands of compatible community-trained LoRAs and derivatives	Free local upscaling with no upload, watermark or limits Runs entirely in browser using WebGPU—nothing leaves your device Pay-per-run cloud models with no subscription required Real 4K output at 3840×2160 resolution
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	13 −1 (down) since last check	10 −1 (down) since last check
Trust Flow (Majestic)	5	5
Citation Flow (Majestic)	19	21
Referring domains (Majestic)	45	19

5 details filled in for both companies.

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