Overview
Wan 2.5 Text-To-Video Spark is a cost-effective text-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.
Key Features
- ~33% savings — Significantly lower cost compared to standard Wan 2.5
- Fine-tuned by MuleRouter — Optimized for cost-efficiency without sacrificing quality
- 720P and 1080P output — Multi-resolution video support
- Audio generation — Automatic audio synthesis included
Pricing
Per Second:
720P: $0.075
1080P: $0.1
~33% savings compared to standard Wan 2.5
Parameters
seed
Type: integer
Random seed [0, 2147483647].
size
Type: Enum · Default: "1280*720"
Output resolution ("width*height"). Supported tiers:
- 720P: 1280*720 (16:9), 720*1280 (9:16), 960*960 (1:1), 1088*832 (4:3), 832*1088 (3:4)
- 1080P: 1920*1080 (16:9), 1080*1920 (9:16), 1440*1440 (1:1), 1632*1248 (4:3), 1248*1632 (3:4)
Possible values: 1280*720, 720*1280, 960*960, 1088*832, 832*1088, 1920*1080, 1080*1920, 1440*1440, 1632*1248, 1248*1632
audio
Type: boolean · Default: true
Enable automatic audio generation. Set to false to force a silent output.
prompt* required
Type: string
Text description for the desired video content (max 2000 characters).
duration
Type: Enum
Video duration in seconds (24 fps). Supported values 5 or 10.
Possible values: 5, 10
audio_url
Type: string
Custom audio file URL (wav/mp3, 3-30s, ≤15MB). Overrides the audio flag.
prompt_extend
Type: boolean · Default: true
Enable intelligent prompt rewriting (slightly longer latency, better detail).
safety_filter
Type: boolean · Default: true
Enable content safety filter. Defaults to true. Set to false to disable content safety inspection.
negative_prompt
Type: string
Negative prompt describing unwanted content (max 500 characters).