Descriptions:
The next-generation open-source AI video model is finally here! 🎬 Say hello to LTX 2.5, featuring major architectural upgrades over 2.3, including Diffusion Fidelity Rendering, a Diffusion Video Decoder, and a massive 12B Text Encoder.
In this comprehensive ComfyUI tutorial, we dive deep into native workflows for Text-to-Video (T2V), Image-to-Video (I2V), First-Last Frame Interpolation, and Synchronized Audio-Video generation. We’ll also put the model through 6 brutal stress tests to fix common issues like identity drift, transition glitches, and physics logic bugs!
🔥 What you’ll master in this tutorial:
• 🧠 The 2.5 Upgrades: How Fidelity Rendering redistributes compute budget for hands, faces, and fine textures.
• ⚙️ ComfyUI Environment: Setting up Distilled INT8 models, Gemma 12B, and dual CFG Guiders (Audio vs. Video).
• 🎬 Native Multi-Shot Generation: How to make characters travel from the Great Wall to Tokyo and Paris in 10 seconds.
• 🚴 Complex Action Chains: Testing a 5-step bike repair sequence
• ⚠️ Physics & Prompt Hacks: Fixing the “soft umbrella” glitch, avoiding door-clipping, and why you should use “girl” instead of “woman” for younger Asian faces.
#runninghub #LTX25 #LTX23 #ComfyUI #AIVideo #TextToVideo #ImageToVideo #DiffusionFidelityRendering #AIFilmmaking #GenerativeAI #RunningHub #AITutorial #VideoGeneration #MultiShotAI #Gemma12B #Lightricks #AIWorkflow
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resource
https://huggingface.co/Lightricks/LTX-2.5
https://blog.comfy.org/p/ltx-25-day-0-support-in-comfyui
online workflow
1：video_ltx2_5_t2v
https://www.runninghub.ai/post/2087741803012382722/?inviteCode=kol02-rh021
2：video_ltx2_5_i2v
https://www.runninghub.ai/post/2087435078015213569/?inviteCode=kol02-rh021
3：video_ltx2_5_flf2v
https://www.runninghub.ai/post/2087431292576161794/?inviteCode=kol02-rh021
Runninghub Fan Benefit: Register to get 1,000 RHB
https://www.runninghub.ai/?utm_source=kol02-RH021
workflow and prompt engineering download：
https://github.com/amao2001/ganloss-latent-space/tree/main/workflow/2026-08-13%20ltx2.5
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