MODEL COMPARISON
Wan 2.2 vs LTX-2.3: Which Model Fits Your Workflow?
Visual-first generation or an integrated audio-video workflow
Wan 2.2 and LTX-2.3 both support local workflows, but they organize production differently. Wan 2.2 uses dedicated visual-generation and specialized model routes. LTX-2.3 provides Fast and Pro service variants alongside separate Dev and Distilled local checkpoints, adding synchronized audio-video generation and Pro-only audio-to-video, Retake, Extend, and Reframe workflows.
Stay with Wan 2.2 when: short, visually controlled T2V or I2V clips and an established Wan workflow are the priority.
Consider LTX-2.3 when: matching audio in T2V or I2V, longer Fast generations, or Pro-only Retake and Reframe remove recurring production steps.
TRY WAN 2.2
Generate a Wan 2.2 Clip
Start with a text prompt or source image and generate through the current Wan workflow.
Mode: Text-to-Video | Image-to-Video
TECHNICAL COMPARISON
Wan 2.2 and LTX-2.3 Technical Comparison
Compare the model routes, output limits, and correction options that can change the production workflow.
Fast reaches 20 seconds only at 24/25fps in 720p or 1080p. Pro T2V/I2V supports up to 10 seconds. Pro audio-to-video follows the input audio, with limits determined by resolution.
Model structure
- Wan 2.2
- Dedicated T2V, I2V, TI2V, S2V, and Animate models
- LTX-2.3
- Fast and Pro service routes; Dev and Distilled local checkpoints
Max duration
- Wan 2.2
- A14B and TI2V: about 5s by default; S2V follows input audio
- LTX-2.3
- Fast T2V/I2V: 6–20s; Pro T2V/I2V: 6–10s
Resolution
- Wan 2.2
- A14B: 480p · 720p; TI2V: 720p
- LTX-2.3
- Fast/Pro: 720p · 1080p · 1440p · 4K
Frame rate
- Wan 2.2
- A14B: 16fps; TI2V: 24fps
- LTX-2.3
- 24 · 25 · 48 · 50fps, subject to duration limits
Generation modes
- Wan 2.2
- T2V and I2V, plus specialized TI2V, S2V, and Animate routes
- LTX-2.3
- T2V and I2V in Fast/Pro; audio-to-video in Pro
Synchronized audio
- Wan 2.2
- No joint audio generation in T2V/I2V; S2V is a separate audio-driven route
- LTX-2.3
- Fast/Pro T2V and I2V can generate matching audio; audio input requires Pro
Selected-range correction
- Wan 2.2
- No integrated Retake route in the base T2V/I2V workflow
- LTX-2.3
- Retake with Pro
Extension and reframing
- Wan 2.2
- No dedicated route in the official base T2V/I2V release
- LTX-2.3
- Extend and Reframe with Pro
PRACTICAL DIFFERENCES
Where Wan 2.2 and LTX-2.3 Differ Before Generation
You Choose a Different Kind of Route
Wan 2.2 asks the creator to choose a task-specific model such as T2V, I2V, or a specialized route. LTX-2.3 instead separates rapid service generation, broader Pro tools, and local Dev or Distilled pipelines.
Audio Changes the Creative Brief
Wan 2.2 T2V and I2V are visual-first workflows; speech-driven output belongs to a separate S2V model. LTX-2.3 can generate matching sound with T2V or I2V, while Pro can also build a scene from an audio input.
Duration Changes Shot Planning
Wan 2.2’s default open-weight T2V and I2V output favors compact shots. LTX-2.3 Fast supports longer generations at selected settings, allowing more action to remain inside one clip.
AFTER GENERATION
Post-Production Debt: What Still Needs Work?
The first generated clip is not always the finished clip. The practical difference is where correction and finishing happen.
Audio Finishing
Wan 2.2 produces the visual clip first, so sound selection, generation, and synchronization usually happen in a separate workflow.
- Wan 2.2
- Visual clip → External audio workflow → Manual synchronization
- LTX-2.3
- Matching audio-video output → Replace audio when needed
Practical impact: LTX-2.3 can reduce the handoff between visual generation and audio finishing, while Wan 2.2 fits workflows where sound is already handled separately.
Scene Recovery
When only part of a generated scene fails, the practical difference is whether the creator can repair that range or must rebuild the shot.
- Wan 2.2
- Identify failed moment → Regenerate the shot → Reconnect the sequence
- LTX-2.3 Pro
- Select failed range → Retake that section → Extend when required
Practical impact: Wan 2.2 may require more manual reconstruction, while LTX-2.3 Pro keeps selected-range correction inside its production workflow.
Delivery Preparation
A finished scene may still need a different frame, extended composition, or HDR preparation before delivery.
- Wan 2.2
- Crop, regenerate, or outpaint → External HDR finishing
- LTX-2.3 Pro
- Reframe → Dedicated HDR workflow
Practical impact: LTX provides dedicated routes for these finishing tasks, while Wan 2.2 relies more heavily on external post-production tools.
SWITCHING COST
What Changes If You Move From Wan 2.2 to LTX-2.3?
Switching models does not mean rebuilding the entire project, but the model-specific parts of the workflow cannot move over unchanged.
REBUILD
Rebuild the Workflow Graph
Wan-specific checkpoints and nodes do not become an LTX workflow automatically. Local migration requires LTX-compatible checkpoints, its text encoder, and the appropriate upscaler or generation pipeline.
REPLACE
Replace or Retrain LoRAs
Wan LoRAs cannot transfer directly to LTX-2.3. Character, motion, and style dependencies require compatible alternatives or new training.
ADAPT
Rewrite Prompts Around Time and Sound
Existing visual descriptions remain useful, but synchronized audio-video generation benefits from explicit timing, dialogue, sound cues, and event order.
KEEP
Keep the Underlying Creative Assets
Reference images, source videos, audio files, creative briefs, storyboards, and approved shot plans can still be reused in the new workflow.
Most creative materials carry over. The main switching cost comes from rebuilding the generation pipeline, replacing model-specific LoRAs, and adapting prompts for timing and audio.
DECISION THRESHOLD
When Does Switching Actually Make Sense?
STAY WITH WAN 2.2
- The current Wan workflow already produces the required short visual shots.
- Wan LoRAs, nodes, and prompt habits are part of production.
- Audio is added after visual approval.
- Retake, extension, and reframing would only be occasional tools.
THE SWITCHING THRESHOLD
- Matching audio must be part of the first generated result.
- Longer Fast generations repeatedly reduce stitching work.
- Selected-range Retake would prevent frequent full-shot regeneration.
- Reframe or integrated extension is required often enough to justify rebuilding the workflow.
Practical decision: A larger specification alone is not a reason to move. LTX-2.3 justifies the workflow change when its audio-video and recovery tools remove a recurring production bottleneck. Otherwise, preserving an established Wan 2.2 pipeline remains practical.
START GENERATING
Continue With the Wan Workflow
Wan 2.2 NSFW
Create visually controlled clips from text or images through an established Wan workflow.