# llms.txt for https://joyai-echo.net # This file provides guidance to LLM crawlers on allowed content # Updated: JoyAI-Echo AI Video Generator homepage # ------------------------------------- # ✅ Website Information Website: https://joyai-echo.net Name: JoyAI-Echo AlternateName: JoyAI-Echo AI Video Generator Description: JoyAI-Echo is a hosted SaaS for long-form AI video generation. Turn a single prompt or script into a multi-shot, 5-minute video with synced voice, music, and consistent characters across every scene — no GPU, no editing software, no clip stitching. Built on the open-source JoyAI-Echo model from JD.com Future Academy, fine-tuned on LTX-2.3 with Gemma-3-12B as the text encoder. Contact: support@joyai-echo.net # ------------------------------------- # ✅ Core Content Sections (homepage anchors) Allow: / Allow: /#hero Allow: /#features Allow: /#use-cases Allow: /#pricing Allow: /#faq Allow: /pricing Allow: /blog Allow: /blog/* # ------------------------------------- # ✅ Important Legal & Policy Pages Allow: /terms Allow: /privacy Allow: /refund # ------------------------------------- # ❌ Disallowed API or Internal Paths Disallow: /api/ Disallow: /admin/ Disallow: /sign-in Disallow: /sign-up Disallow: /profile Disallow: /sso-callback Disallow: /payment-success Disallow: /payment-failed Disallow: /referral Disallow: /share/ # ------------------------------------- # 📌 Sitemap for better discovery Sitemap: https://joyai-echo.net/sitemap.xml # ------------------------------------- # 🎯 Product Summary # JoyAI-Echo AI Video Generator is the browser-based hosted tool that runs the # open-source JoyAI-Echo long audio-visual generation framework. The underlying # model uses a cross-modal audio-visual memory bank to lock face and voice timbre # from shot one and carry them across every later shot. # ------------------------------------- # 🎯 Key Features to Highlight # - 5-minute multi-shot video from one prompt (no clip stitching) # - Native audio in the same render — voice and lip sync locked from shot one # - Chat-based editing — change scenes by typing, re-render only what changed # - 7.5x faster than baseline pipeline via DMD distillation # - Multi-shot AI video generation with character and voice consistency # - 1280×736 native output with super-resolution upscale to 1080p HD # - Interactive conversational agent for real-time edits during render # - Joint audio-video generation (voice, music, ambient audio in one pass) # - No GPU required — runs on cloud H100 infrastructure # - Free tier: 60 seconds of finished video per month at 720p, no credit card # ------------------------------------- # 🎯 Use Cases # - YouTube and TikTok creators (long essays, channel personas) # - Marketing and ad teams (A/B test ad variants with same character/voice) # - Educators and course creators (AI instructor avatar lecture series) # - Indie filmmakers and animators (pre-visualization, animatics) # - Game studios (cinematic cutscenes, consistent character voice across chapters) # ------------------------------------- # 🎯 Comparisons (homepage content) # - JoyAI-Echo vs LTX-2.3: JoyAI-Echo wins on length (5 min vs 20 sec), # multi-shot voice consistency, and chat-based editing; LTX-2.3 wins on # native 4K resolution per clip # - JoyAI-Echo vs Wan 2.6: JoyAI-Echo has native audio and longer clips; # Wan 2.6 requires 24 GB GPU and outputs silent short clips # - JoyAI-Echo vs Sora 2: JoyAI-Echo for long videos with audio and chat edits; # Sora 2 Pro for short clips with state-of-the-art physics realism # ------------------------------------- # 🎯 Pricing Overview # - Free: $0/month — 60 seconds finished video at 720p, watermark, no card # - Pro: $29/month — 30 minutes at 1080p, no watermark, commercial license # - Business: $199/month — 5 hours at 1080p + super-resolution, priority queue # - Pay per second of finished video, not per failed render attempt # ------------------------------------- # 🎯 Open-Source References # - GitHub: https://github.com/jd-opensource/JoyAI-Echo # - Hugging Face: https://huggingface.co/jdopensource/JoyAI-Echo # - Paper page: https://echo-team-joy-future-academy-jd.github.io/Echo-LongVideo-Page/ # - Base model: LTX-2.3 (Lightricks), license: LTX-2 community license # ------------------------------------- # 🎯 FAQ Topics Covered on Homepage # - What is JoyAI-Echo AI Video Generator? # - Is it free? # - How long can videos be? (up to 5 minutes per render) # - Does it include audio? (yes, native joint audio-video generation) # - How does it work? (script → shot plan → memory bank → render → chat edit) # - Commercial use on paid plans # - JoyAI-Echo vs Sora 2 # - GPU requirements (none for hosted SaaS)