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

Status: Open.

#67 In Lightricks/LTX-Video-Trainer;

· Siqiao Huang (knightnemo) opened on Feb 1, 2026

VRAM Requirements for LoRA Finetuning 13B model

Status: Open.

#66 In Lightricks/LTX-Video-Trainer;

· 鸡蛋 (J1dan) opened on Jan 26, 2026

Language fine-tune

Status: Open.

#65 In Lightricks/LTX-Video-Trainer;

· LSI86 opened on Jan 23, 2026

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

Status: Open.

#63 In Lightricks/LTX-Video-Trainer;

· 鸡蛋 (J1dan) opened on Jan 2, 2026

Full finetuning error

Status: Open.

#62 In Lightricks/LTX-Video-Trainer;

· Chi Tran (IceIce1ce) opened on Dec 26, 2025

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

Status: Open.

#61 In Lightricks/LTX-Video-Trainer;

· wangxinliang (fyting) opened on Dec 17, 2025

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

Status: Open.

#59 In Lightricks/LTX-Video-Trainer;

· cj-gregory-kovelman opened on Nov 27, 2025

Why model_source set for local path can not work?

Status: Open.

#55 In Lightricks/LTX-Video-Trainer;

· redblack-cloud opened on Oct 10, 2025

Higher GPU memory usage when setting load_text_encoder_in_8bit to true

Status: Open.

#53 In Lightricks/LTX-Video-Trainer;

· Yi Zhu (bryanyzhu) opened on Oct 1, 2025

Model is hard to be modified

Status: Open.

#51 In Lightricks/LTX-Video-Trainer;

· Zihao Zou (zihaozou) opened on Sep 24, 2025

i want to change the LTXVideoTransformer3DModel

Status: Open.

#50 In Lightricks/LTX-Video-Trainer;

· ohad204 opened on Sep 11, 2025

The quality of the VAE differs from the demo

Status: Open.

#47 In Lightricks/LTX-Video-Trainer;

· julia-joanna opened on Aug 4, 2025