"vendor": "mulerouter""model_name": "wan2.5-i2v-spark"Cost-effective image-to-video generation fine-tuned by MuleRouter. Get similar quality at a lower price with 720P/1080P support and auto-generated audio.
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Wan 2.5 Image-To-Video Spark is a cost-effective image-to-video model fine-tuned by MuleRouter. It delivers similar quality to the standard Wan 2.5 at approximately 33% lower cost, with 720P/1080P support and auto-generated audio.
seedintegerRandom seed [0, 2147483647].
audioboolean · Default: trueEnable automatic audio generation. Set to false to force a silent output.
image* requiredstringFirst-frame image (URL or Base64). Supported formats: JPEG/JPG/PNG/BMP/WEBP, 360-2000px, ≤10MB.
prompt* requiredstringMotion/story description for the video (max 2000 characters).
durationEnumVideo duration in seconds (24 fps). Supported values 5 or 10.
audio_urlstringCustom audio file URL (wav/mp3, 3-30s, ≤15MB). Overrides the audio flag.
resolutionEnum · Default: "720P"Output resolution tier:
prompt_extendboolean · Default: trueEnable intelligent prompt rewriting (slightly longer latency, better detail).
safety_filterboolean · Default: trueEnable content safety filter. Defaults to true. Set to false to disable content safety inspection.
negative_promptstringNegative prompt describing unwanted content (max 500 characters).