LTX 2.3 Lora Training - Data Set Captioning

This Reddit thread from r/StableDiffusion discusses best practices for captioning training datasets when fine-tuning LoRA models on LTX 2.3, Lightricks' video generation model. The community emphasis is on caption quality over sheer data volume, as better captions have a notably greater impact on LTX 2.3 training results. Dataset preparation involves pairing media files with descriptive captions in a JSON format, with the option to specify a trigger token that is automatically prepended to all captions during preprocessing , helping users reliably activate their trained LoRA during inference.

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Source: r/StableDiffusion | 2026-04-14