Issues

• [Bug]: Learning rate reaches end at steps / num_processes when using multi-GPU with default split_batches=False

  Lightricks/LTX-Video-Trainer#67 · Filter by author knightnemo opened on Feb 1, 2026

• VRAM Requirements for LoRA Finetuning 13B model

  Lightricks/LTX-Video-Trainer#66 · Filter by author J1dan opened on Jan 26, 2026

• Language fine-tune

  Lightricks/LTX-Video-Trainer#65 · Filter by author LSI86 opened on Jan 23, 2026

• [Discussion/Question] Weak Controllability on Training Set with LoRA Finetuning (POV Motion Dataset)

  Lightricks/LTX-Video-Trainer#63 · Filter by author J1dan opened on Jan 2, 2026

• Full finetuning error

  Lightricks/LTX-Video-Trainer#62 · Filter by author IceIce1ce opened on Dec 26, 2025

• [Question] Guidance on training steps vs. dataset size for LoRA fine-tuning

  Lightricks/LTX-Video-Trainer#61 · Filter by author fyting opened on Dec 17, 2025

• Preprocessing dataset with videos with too few frames can lead to incorrect labels

  Lightricks/LTX-Video-Trainer#59 · Filter by author cj-gregory-kovelman opened on Nov 27, 2025
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• Why model_source set for local path can not work?

  Lightricks/LTX-Video-Trainer#55 · Filter by author redblack-cloud opened on Oct 10, 2025
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• Higher GPU memory usage when setting load_text_encoder_in_8bit to true

  Lightricks/LTX-Video-Trainer#53 · Filter by author bryanyzhu opened on Oct 1, 2025

• Model is hard to be modified

  Lightricks/LTX-Video-Trainer#51 · Filter by author zihaozou opened on Sep 24, 2025

• i want to change the LTXVideoTransformer3DModel

  Lightricks/LTX-Video-Trainer#50 · Filter by author ohad204 opened on Sep 11, 2025

• The quality of the VAE differs from the demo

  Lightricks/LTX-Video-Trainer#47 · Filter by author julia-joanna opened on Aug 4, 2025
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• 请问哪里可以找到0.9.8的diffusers的预训练模型

  Lightricks/LTX-Video-Trainer#45 · Filter by author chenpipi0807 opened on Jul 17, 2025
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• License request (MIT, Apache 2.0 etc)

  Lightricks/LTX-Video-Trainer#44 · Filter by author YasheshSavani opened on Jul 16, 2025
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• training with images issues with "a fps < 0"

  Lightricks/LTX-Video-Trainer#43 · Filter by author soshette7 opened on Jul 16, 2025
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• Problem when the dataset are images

  Lightricks/LTX-Video-Trainer#42 · Filter by author soshette7 opened on Jul 7, 2025
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• Finetuning multi frame conditioning

  Lightricks/LTX-Video-Trainer#40 · Filter by author nam-jisu opened on Jun 12, 2025
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• How to modify this to train online RL (GRPO/PPO)?

  Lightricks/LTX-Video-Trainer#39 · Filter by author thechargedneutron opened on Jun 9, 2025

• Fintuning distilled version

  Lightricks/LTX-Video-Trainer#38 · Filter by author nam-jisu opened on Jun 6, 2025
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• Loss Value

  Lightricks/LTX-Video-Trainer#37 · Filter by author zhangquanwei962 opened on May 31, 2025
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• 13b model script runs and exits

  Lightricks/LTX-Video-Trainer#35 · Filter by author gangisbrawn opened on May 30, 2025
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• Is here any advice or guideline for full model fine tune?

  Lightricks/LTX-Video-Trainer#33 · Filter by author StarsTesla opened on May 30, 2025
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• Training with keyframe conditioning

  Lightricks/LTX-Video-Trainer#32 · Filter by author erenovic opened on May 26, 2025
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• about diffusers inference

  Lightricks/LTX-Video-Trainer#30 · Filter by author zy0406 opened on May 22, 2025

• 2b share vae with 13b?

  Lightricks/LTX-Video-Trainer#29 · Filter by author StarsTesla opened on May 20, 2025
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