easygoing0114/AI_upscalers

AI Upscalers

This repository collects various AI upscaling models for image enhancement.

Each model inherits its original license, which must be respected. Please review the license details before use, especially for commercial purposes.

Both .pth and .safetensors formats are provided for most models (converted from the original .pth weights where applicable).

Models

Model	Type	License	Commercial Use	Features	Recommended
RealESRGAN_x4plus	ESRGAN	BSD 3-Clause	✅	Balanced	✅
RealESRGAN_x4plus_anime_6B	ESRGAN	BSD 3-Clause	✅	Anime Style	✅
4x-AnimeSharp	ESRGAN	CC-BY-NC-SA-4.0	❌	Sharp
4x-UltraSharp	ESRGAN	CC-BY-NC-SA-4.0	❌	Sharp
4x-UltraSharpV2	DAT	CC-BY-NC-SA-4.0	❌	Sharp / Versatile	✅
4x-Fatal-Anime	ESRGAN	CC-BY-NC-SA-4.0	❌	Anime Style
4x_foolhardy_Remacri_ExtraSmoother	ESRGAN	CC-BY-NC-SA-4.0	❌	Sharp / Smooth
4x_IllustrationJaNai_V1_ESRGAN_135k	ESRGAN	CC-BY-NC-SA-4.0	❌	Anime Style
4x_IllustrationJaNai_V1_DAT2_190k	DAT	CC-BY-NC-SA-4.0	❌	Anime Style
4x_IllustrationJaNai_V3denoise_DAT2_27k	DAT	CC-BY-NC-SA-4.0	❌	Anime Style / Denoise
4x_IllustrationJaNai_V3denoise_FDAT_M_47k	FDAT	CC-BY-NC-SA-4.0	❌	Anime Style / Denoise	✅
4x_IllustrationJaNai_V3detail_DAT2_28k	DAT	CC-BY-NC-SA-4.0	❌	Anime Style / Detail
4x_IllustrationJaNai_V3detail_FDAT_M_40k	FDAT	CC-BY-NC-SA-4.0	❌	Anime Style / Detail	✅
4x_IllustrationJaNai_V3detail_HAT_L_28k	HAT	CC-BY-NC-SA-4.0	❌	Anime Style / Detail
4x_NMKD-Superscale-SP_178000_G	ESRGAN	WTFPL	✅	Balanced
4x-NMKD-YandereNeo	ESRGAN	WTFPL	✅	Balanced
4x_NMKD-YandereNeoXL_200k	ESRGAN	WTFPL	✅	Balanced
4x_escale_100000_G	ESRGAN	WTFPL	✅
4x_RealisticRescaler_100000_G	ESRGAN	WTFPL	✅	Natural	✅
4xLexicaHAT	HAT	CC-BY-4.0	✅	AI Generated
SwinIR-L_x4_GAN	SwinIR	Apache-2.0	✅
SwinIR-L_x4_PSNR	SwinIR	Apache-2.0	✅
4xNomos2_hq_drct-l	DRCT	CC-BY-4.0	✅
4xNomos2_hq_dat2	DAT	CC-BY-4.0	✅	Natural
4xNomos8kDAT	DAT	CC-BY-4.0	✅	Natural
4xNomos8kHAT-L_otf	HAT	CC-BY-4.0	✅	Natural

Source Links

• RealESRGAN_x4plus
• RealESRGAN_x4plus Anime 6B
• 4x-AnimeSharp
• 4x-UltraSharp
• 4x-UltraSharpV2
• 4x-Fatal-Anime
• 4x_foolhardy_Remacri (ExtraSmoother variant)
• 4x_IllustrationJaNai
• 4x_NMKD-Superscale
• 4x-NMKD-YandereNeo
• 4x_NMKD-YandereNeoXL
• 4x_escale
• 4x_RealisticRescaler
• 4xLexicaHAT
• SwinIR-L (GAN / PSNR)
• 4xNomos2_hq_drct-l
• 4xNomos2_hq_dat2
• 4xNomos8kDAT
• 4xNomos8kHAT-L_otf

Comparison for Anime Illustrations (External Site)

• Guide1: Engligh | Japanese
• Guide2: Engligh | Japanese
• Comparison image

Licenses

The following licenses apply to the models in this repository, listed from most restrictive to least restrictive:

License	Description	Restrictions
CC-BY-NC-SA-4.0	Non-commercial use only, must share under the same license.	Non-commercial, same license sharing
CC-BY-4.0	Requires attribution.	Attribution
BSD 3-Clause	Requires copyright notice and disclaimer.	Copyright notice, disclaimer
Apache-2.0	Requires copyright notice and change log.	Copyright notice, change log
WTFPL	Do whatever you want.	None