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

Use the LTX-2.3 FLV simple Workflow — v1.0 to make a video from one or more images and a prompt; set its length and dimensions, and choose one or two passes.
Suggestion · not verified

Flow

The graph includes image loading, image-to-video processing, audio decoding, and video-combine nodes.

Inputs and outputs

The graph suggests it can produce a video with audio; the listed details do not specify an export format.
Suggestion · not verified

Setup

The description says a few extra nodes are needed.

Dependencies

Named add-ons include comfyui_essentials, comfyui_nvidia_rtx_nodes (optional), comfyui-gguf, comfyui-kjnodes, comfyui-videohelpersuite, and rgthree-comfy.
Other named node types are Fast Groups Bypasser (rgthree), GetNode, Label (rgthree), and SetNode.
Named model files include gemma-3-12b-it-Q2_K.gguf, gemma312BAbliterated_v10aExperimental.safetensors (optional), ltx-2-spatial-upscaler-x2-1.0.safetensors, ltx-2.3-22b-distilled_transformer_only_fp8_input_scaled_v3.safetensors, LTX23_audio_vae_bf16_KJ.safetensors, and LTX23 виде

Configuration

Sage Attention is optional; enable it or leave it off.

Cautions

Before setup, confirm which add-ons provide Fast Groups Bypasser (rgthree), GetNode, Label (rgthree), and SetNode; the workflow does not name their providers.
Suggestion · not verified

Does this need to be edited?

Sources

1 source

CivitaiPrimaryVersion 2827740

civitai.com/models/2515793

Verified Nov 3