comfyui-workflows/models/ltx/ltx23-i2v-t2v-basic-checkpoint-models

LTX 2.3 Basic for Checkpoint Models

Summary

LTX 2.3 basic workflow variant intended for checkpoint-model loading rather than only split-model wiring. Useful if you want a more standard loading path while still staying inside the RuneXX ecosystem.

Model Family

• ltx

Status

• imported-only

Source

• Workflow pack page: https://huggingface.co/RuneXX/LTX-2.3-Workflows
• Workflow file: https://huggingface.co/RuneXX/LTX-2.3-Workflows/resolve/main/LTX-2.3_-_I2V_T2V_Basic_for_checkpoint_models.json?download=true
• Supporting split/checkpoint model page: https://huggingface.co/Kijai/LTX2.3_comfy
• Original publisher: RuneXX
• Date imported: 2026-08-08

Developer notes

• RuneXX says the extracted-model path may run easier, but also notes you can swap to default Comfy checkpoint loading if desired.
• This workflow includes more tuning and helper nodes than the simple single-pass graphs.

Our notes

• More flexible than the simplest LTX imports, but also more dependency-heavy.
• On a 3070, this is more of a “second test” workflow after the single-pass variants.
• Worth keeping because it may be a better base for later cleanup if the simpler workflows are too stripped down.

Required custom nodes

• ComfyUI-KJNodes
• rgthree-comfy
• easy use / easy showAnything
• optional ComfyUI-GGUF hooks are present

Notes

• Better treated as a richer base graph than as the first low-VRAM test.