Pony XL
Open weights
Community (SDXL derivative)
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The SDXL-derived family trained on tagged art datasets that became the standard base for stylised and semi-realistic adult image checkpoints.

Pony Diffusion XL is an SDXL fine-tune trained on a very large tagged dataset with explicit content included, which made it the base of choice for adult checkpoints in 2024–2025. It uses tag-style prompting and score tags, has excellent pose and act vocabulary, and a huge LoRA ecosystem. Realistic Pony merges (cyberRealisticPony, ponyRealism, uberRealisticPornMerge) are among the image models running on MyBabes.
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From the Lab
Articles covering this model
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Reference
The NSFW AI Glossary: Every Term You Meet in Adult AI, Explained in Plain Language
LoRA, checkpoint, abliterated, i2v, score tags, vendor filter — the adult AI world runs on jargon, and half the arguments online are people using the same word for different things. One page, every term, in plain language, linked to the deep dives.
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5 min read

Analysis
Stable Diffusion for NSFW in 2026: SDXL vs Pony XL vs Illustrious, Which Checkpoints Work, and What It Takes to Run Them
"Stable Diffusion porn" is still the most-searched phrase in adult AI imagery, and the answer has moved on from the 1.5 days. Three SDXL-derived families do the real work now. We compare them checkpoint by checkpoint, explain the prompting differences, and lay out what running them actually costs.
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6 min read

How-To
Pony XL for NSFW: Score Tags, Realism Merges, and Why It Still Has the Widest Act Vocabulary of Any Image Model
Pony Diffusion XL is the base under more adult image checkpoints than any other model, and most people prompt it wrong. This guide covers the score-tag system, the difference between anime Pony and realism merges, the LoRA ecosystem, and the prompt structure that gets consistent explicit results.
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5 min read

How-To
Illustrious for NSFW: Tag Precision, Character Knowledge, and the Realism Merges That Made It More Than an Anime Model
Illustrious took the anime crown from Pony in 2025 and its realism merges are now credible for photoreal adult work. This guide explains what it does differently, how to prompt it, where its character knowledge helps and where it is a liability, and how the realism merges compare with Pony and SDXL.
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4 min read