WorkflowListedExternal

LTX-2.3 FLV simple Workflow — v1.0

A simple (at least visually) Workflow for LTX-2.3 based on the official WF and RuneXX amazing work. Drop your image(s), select one or two passes and activate Sage Attention (optional) and type your prompt, length and...

Sourcecivitai.com/models/2515793

TaskMultiCapabilitiesImage to image · UpscalingFamilyLTX-VideoVersionRelease 2827740 — LTX23-FLV-simple.jsonEstimated VRAMNot yet characterizedUnratedgrade

Runtime profile

Access: External workflow
Status: Listed
Version: LTX23-FLV-simple.json
Source: Civitai
Updated: Nov 3, 2026

Source description

No release description captured.

What you need

Model files: 28.7 GiB known subtotal

Remaining hardware or download-size estimates are not available yet.

Requirements

Models

gemma-3-12b-it-Q2_K.gguf
File specified
Text encoder · 4.44 GB · Hugging Face · ReubenF10/ComfyUI-Models
gemma312BAbliterated_v10aExperimental.safetensors
FoundOptional
Text encoder · 14.0 GB · SAFETENSORS · Unknown
ltx-2-spatial-upscaler-x2-1.0.safetensors
Found
Upscaler · 950 MB · SAFETENSORS · FP8 (unverified) · Hugging Face · Lightricks/LTX-2
ltx-2.3_text_projection_bf16.safetensors
Not resolved
Text encoder · Unknown
ltx-2.3-22b-distilled_transformer_only_fp8_input_scaled_v3.safetensors
Found
Checkpoint · 23.3 GB · SAFETENSORS · Unknown
LTX23_audio_vae_bf16_KJ.safetensors
Not resolved
VAE · Unknown
LTX23_video_vae_bf16.safetensors
Repository matched
VAE · Unknown

Node packs

comfyui_essentials
Found
Node pack · Registry
comfyui_nvidia_rtx_nodes
Not resolvedOptional
Node pack · Registry
comfyui-gguf
Possible
Node pack · Registry
comfyui-kjnodes
Found
Node pack · Registry
comfyui-videohelpersuite
Found
Node pack · Registry
Fast Groups Bypasser (rgthree)
Not resolved
Node pack · Unknown
GetNode
Not resolved
Node pack · Unknown
Label (rgthree)
Not resolved
Node pack · Unknown
rgthree-comfy
Found
Node pack · Registry
SetNode
Not resolved
Node pack · Unknown

AI-generated commentary

AI-generated explanation based on source and configuration details. Suggestions are clearly labeled.

Purpose

LTX-2.3 FLV simple Workflow — v1.0 appears intended for making LTX-2.3 video from images and a prompt; set the length and dimensions, and choose one or two passes.
Suggestion · not verified

Inputs and outputs

The workflow graph includes audio and video decoding plus VHS_VideoCombine, suggesting combined audio and video output. The description does not name the final file format.
Suggestion · not verified

Setup

The workflow description says a few extra nodes are needed.

Dependencies

Named node packs: comfyui_essentials, comfyui_nvidia_rtx_nodes, comfyui-gguf, comfyui-kjnodes, comfyui-videohelpersuite, and rgthree-comfy.
Named model files: gemma-3-12b-it-Q2_K.gguf, gemma312BAbliterated_v10aExperimental.safetensors, ltx-2-spatial-upscaler-x2-1.0.safetensors, and ltx-2.3_text_projection_bf16.safetensors.
Also named model files: ltx-2.3-22b-distilled_transformer_only_fp8_input_scaled_v3.safetensors, LTX23_audio_vae_bf16_KJ.safetensors, and LTX23_video_vae_bf16.safetensors.