# Sulphur 2 (Sulphur2AI) > Sulphur 2 — open-weights AI video model on LTX 2.3: text-to-video and image-to-video, with browser or local (ComfyUI) paths described on the homepage. ## About **Sulphur 2** is an open-weights **video** model fine-tuned from Lightricks’ **LTX 2.3** on **125,000** real-world clips. The homepage positions it for **text-to-video (T2V)** and **image-to-video (I2V)** with emphasis on fixing **broken limbs**, **shaky footage**, and **prompts that get ignored** versus typical open-source frustration. **Sulphur2AI** (this site) is an **independent** information and online-generation resource — **not affiliated** with SulphurAI (model publisher) or Lightricks. - **Website**: https://sulphur2ai.com/ - **Model weights (Hugging Face)**: SulphurAI/Sulphur-2-base - **Support email**: support@sulphur2ai.com --- ## Homepage (`app/page.tsx`) — what is actually rendered The public homepage is one continuous landing flow. As of the current `page.tsx`, these sections are **mounted in this order**: 1. **Hero** (`#hero`) — Badge: *Open Weights · LTX 2.3 Fine-tune · 158k+ Monthly Downloads*. **H1**: *Sulphur 2 — The Open AI Video Model That Generates What You Actually Prompt*. Lead copy: open AI video model on LTX 2.3, 125,000 clips, runs **in your browser or locally on your GPU**. Primary CTA control is a **disabled** “Generate Your First Video →” button; a **“See Demo Videos →”** ghost link scrolls to `#showcase`. **Trust strip**: 9B Parameters · 125k Training Clips · 158k+ Monthly Downloads · 24fps Native Frame Rate. 2. **What Is Sulphur 2** (`#what-is`) — Label *Model Overview*; **H2**: *What Is Sulphur 2 and Why Does It Matter?* Contrasts with Runway/Sora: weights on Hugging Face, drop-in LTX 2.3 ComfyUI replacement. **Pills**: LTX 2.3 Fine-tune, Open Weights, ComfyUI Compatible, T2V + I2V, 24fps · 10s clips, HuggingFace GGUF. **Three highlight cards**: (1) smoother motion vs base LTX 2.3, (2) fewer creative restrictions / illegal still blocked, (3) bundle of weights, workflows, Distil LoRA, and Qwen 3.5 9B prompt enhancer. 3. **Stats** (`#stats`) — Four metrics (sr-only heading *Key statistics*): **9B** parameters (same backbone as LTX 2.3); **125k** training clips at 10s / 24fps (~500 GB dataset); **4** official ComfyUI workflow JSONs; **600+** HuggingFace likes. 4. **Core Capabilities** (`#features`) — Label *Core Capabilities*; **H2**: *Everything Sulphur 2 Can Generate*; subcopy mentions LTX 2.3 inheritance and **125k** real-world clips. **Six** capability cards (titles match the page — see below). 5. **Showcase** (`#showcase`) — Label *Generated Samples*; **H2**: *See What Sulphur 2 Generates*; samples are **six** cards (T2V, I2V, T2V · 9:16) with prompts shown under each; media is served from the site’s configured CDN path for showcase MP4/WebP. 6. **Comparison** (`#comparison`) — Label *Model Comparison*; **H2**: *Sulphur 2 vs. LTX 2.3, Runway, and Sora*. Table columns: **Dimension**, **Sulphur 2**, **LTX 2.3 (base)**, **Runway Gen-4**, **Sora**. Rows include price, open weights, T2V/I2V, first & last frame, local/offline, official ComfyUI workflows (4 JSONs for Sulphur 2), 125k motion fine-tune, content restrictions, built-in Qwen 3.5 9B prompt enhancer. 7. **Use Cases** (`#use-cases`) — Label *Use Cases*; **H2**: *What Creators Are Building with Sulphur 2*; subcopy stresses workflows **online without a GPU**. **Six** cards (exact titles): Product & Brand Advertising; Narrative & Short Film Storyboarding; Social & Short-Form Video Content; Medical & Scientific Visualization; Historical & Documentary Reconstruction; Game & Concept Art Animation. 8. **FAQ** (`#faq`) — Label *FAQ*; **H2**: *Sulphur 2 — Common Questions Answered*. Accordion list — see FAQ section below. 9. **Bottom CTA** (`#cta`) — **H2**: *Ready to See What Sulphur 2 Can Do?* Copy: browser generation vs local GPU setup. Primary “Generate a Video Now →” is **disabled**; **“See Demo Videos →”** links to `/#showcase`. **Not on the homepage in the current `page.tsx` (imports exist but the section is commented out):** `Uncensored`, `Paths`, `Testimonials`. Do not describe those blocks as live homepage content unless the route is updated. --- ## Core capabilities (`#features`) — card titles on the page 1. **Text-to-Video — Prompt-Driven Cinematic Generation** 2. **Image-to-Video — Animate Any Still with Precision Control** 3. **Three Model Tiers for Every Hardware Setup** (BF16 ~46 GB / 24–32 GB VRAM; FP8 Mixed ~29 GB / ~16 GB VRAM; GGUF Distilled) 4. **Drop-In ComfyUI Replacement for LTX 2.3** (four official JSON workflows: T2V base/distilled, I2V base/distilled) 5. **Uncensored Training — Fewer Refusals, Same Legal Limits** 6. **Built-In Prompt Enhancer — Qwen 3.5 9B Local LLM** (GGUF, LM Studio) --- ## FAQ (`#faq`) — questions as shown 1. What is Sulphur 2? 2. How is Sulphur 2 different from base LTX 2.3? 3. Can I use Sulphur 2 without a GPU? 4. What does "uncensored" mean for Sulphur 2? 5. How long does it take to generate a video? 6. Do I need to create an account to generate videos? 7. How many videos can I generate? 8. Can I use the videos I generate commercially? (answer points to Terms of Service) **Themes covered in answers (for retrieval):** 125k+ clips and Hugging Face `SulphurAI/Sulphur-2-base`; drop-in LTX 2.3 / ComfyUI; browser generation with no GPU vs local VRAM (16 GB FP8, 24–32 GB BF16); “uncensored” vs Runway/Sora blocks; generation time (~under 2 minutes, factors vary); free account + credits; credits / no subscription / credits don’t expire; commercial use + Terms link. --- ## Key pages & anchors - [Home](https://sulphur2ai.com/) - [Hero](https://sulphur2ai.com/#hero) - [What is Sulphur 2](https://sulphur2ai.com/#what-is) - [Statistics strip](https://sulphur2ai.com/#stats) - [Core capabilities](https://sulphur2ai.com/#features) - [Showcase samples](https://sulphur2ai.com/#showcase) - [Model comparison](https://sulphur2ai.com/#comparison) - [Use cases](https://sulphur2ai.com/#use-cases) - [FAQ](https://sulphur2ai.com/#faq) - [Bottom CTA](https://sulphur2ai.com/#cta) - [Pricing](https://sulphur2ai.com/pricing) - [Terms of Service](https://sulphur2ai.com/subsidiary/terms-of-service) - [Privacy Policy](https://sulphur2ai.com/subsidiary/privacy-policy) - [Refund Policy](https://sulphur2ai.com/subsidiary/refund-policy) - [Cookie Policy](https://sulphur2ai.com/subsidiary/cookie-policy) --- ## Target users Filmmakers, motion designers, marketers, documentarians, medical/education visualizers, game/concept artists, and open-source users who want **LTX-class video** with **local ComfyUI** and/or **browser-based** generation — especially when commercial APIs are too restrictive or expensive. --- ## Compliance & legal - **Commercial use**: Follow **Lightricks LTX 2.3** licensing / model card on Hugging Face and this site’s **Terms of Service** for anything generated through Sulphur2AI flows. Re-check at download/signup time. - **Disclaimer**: Sulphur2AI describes the Sulphur 2 ecosystem; it is **not** the official SulphurAI or Lightricks corporate site. --- ## Contact - **Support**: support@sulphur2ai.com - **FAQ**: https://sulphur2ai.com/#faq --- ## Sitemap https://sulphur2ai.com/sitemap.xml