Ltx 2.3 Image To Video LoRA

Ltx 2.3 Image To Video LoRA

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LTX-2.3 with LoRA support is a DiT-based audio-video foundation model designed to generate synchronized video and audio with custom styles, motion, or likeness training. Improved audio and visual quality with enhanced prompt adherence. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

LTX-2.3 is a significant update to the LTX-2 model, featuring improved audio and visual quality with enhanced prompt adherence. As a DiT-based (Diffusion Transformer) audio-video foundation model, it animates your input image into a high-fidelity video with synchronized audio generated in a single pass.


Why Choose This?

  • Improved quality Enhanced audio and visual quality compared to LTX-2, with better prompt adherence and more coherent outputs.

  • Image-conditioned video with audio Transforms a static image into a moving video with synchronized audio in a single model pass.

  • Preserves input composition Maintains the subject, framing, and lighting of your reference image while adding natural motion.

  • DiT-based architecture Built on Diffusion Transformer technology for detailed, temporally consistent video generation.

  • Flexible resolution Supports 480p, 720p, and 1080p outputs to balance quality and cost.

  • Variable duration Generate clips from 5 to 20 seconds.


Parameters

ParameterRequiredDescription
imageYesReference image to animate (JPG or PNG)
lorasNoList of LoRA models to apply (max 3, each with path and scale)
promptYesText description of motion, action, and audio cues
resolutionNoOutput resolution: 480p, 720p (default), or 1080p
durationNoVideo length in seconds (5-20)
seedNoRandom seed for reproducibility (-1 for random)

Resolution Options

ResolutionBest For
480pFast previews, iteration, lowest cost
720pBalanced quality and cost (default)
1080pFinal delivery, maximum detail

How to Use

  1. Upload your image — the reference image that defines subject, composition, and lighting.
  2. Write your prompt — describe the motion, camera movement, and audio cues.
  3. Select resolution — 480p for iteration, 720p for balance, 1080p for final output.
  4. Set duration — 5-20 seconds based on your content needs.
  5. Run — submit and download the animated video with synchronized audio.

Pricing

Resolution5s10s15s20s
480p$0.15$0.30$0.45$0.60
720p$0.20$0.40$0.60$0.80
1080p$0.25$0.50$0.75$1.00

Best Use Cases

  • Product Animation — Bring product photos to life with subtle motion and ambient audio.
  • Portrait Animation — Animate headshots and portraits with natural movement.
  • Social Media — Create engaging animated content from static images.
  • Marketing — Transform key visuals into video ads with cohesive sound.
  • Storytelling — Animate storyboard frames or concept art.

Pro Tips

  • Audio is automatic — sound is generated based on visual motion and prompt context.
  • Describe specific audio when needed (e.g., “rain”, “jazz”, “crowd noise”).
  • Use high-quality, sharp, well-exposed images for best results.
  • Keep motion prompts simple — one clear action per prompt yields better results.
  • Iterate at 480p to dial in motion, then render at higher resolution for final output.
  • Use fixed seed when comparing prompt variations to isolate changes.

Notes

  • Maximum video duration is 20 seconds.
  • Width & height must be divisible by 32, frame count must be divisible by 8 + 1.
  • The aspect ratio of output video is influenced by your input image.
  • For longer content, generate multiple clips and edit together.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result

set -euo pipefail

export WAVESPEED_API_KEY="your-api-key"

REQUEST_BODY=$(cat <<'JSON'
{
  "prompt": "A cinematic ocean wave at sunrise, highly detailed",
  "image": "https://interactive-examples.mdn.mozilla.net/media/cc0-images/painted-hand-298-332.jpg",
  "resolution": "720p",
  "duration": 5,
  "seed": -1
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/wavespeed-ai/ltx-2.3/image-to-video-lora" \
  -H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}")

TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL=$(printf '%s' "${TASK}" | jq -r '.urls.get // empty')
if [ -z "${RESULT_URL}" ]; then RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"; fi

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body \
    "${RESULT_URL}" \
    -H "Authorization: Bearer ${WAVESPEED_API_KEY}")
  RESULT=$(printf '%s' "${RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
  STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')

  case "${STATUS}" in
    completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
    failed|cancelled|timeout) printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
    created|processing) sleep 2 ;;
    *) printf 'Unexpected status: %s
' "${STATUS}" >&2; exit 1 ;;
  esac
done

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
promptstringYes-The positive prompt for the generation.
imagestringYes-The image for the generation.
resolutionstringNo720p480p, 720p, 1080pVideo resolution.
durationintegerNo55 ~ 20The duration of the generated media in seconds.
lorasarray<object>No0 ~ 3 itemsList of LoRAs to apply (max 3).
seedintegerNo-1-The random seed to use for the generation. -1 means a random seed will be used.

Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
data.idstringUnique identifier for the prediction, Task Id
data.modelstringModel ID used for the prediction
data.outputsarrayOutput values, usually URL strings; some models return text strings or structured result objects (empty when status is not completed)
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to retrieve the prediction result
data.statusstringStatus of the task: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds

Result Request Parameters

ParameterTypeRequiredDefaultDescription
idstringYes-Task ID

Result Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
dataobjectThe prediction data object containing all details
data.idstringUnique identifier for the prediction
data.modelstringModel ID used for the prediction
data.outputsarray<string | object>Array of generated outputs (empty when status is not completed). Items are usually URL strings, but may be text strings or structured result objects, depending on the model.
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to poll for the prediction result
data.statusstringStatus: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds
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