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AlibabaFastStandard

Wan 2.2 T2V Fast

A very fast and cheap PrunaAI-optimized version of Alibaba's Wan 2.2 A14B text-to-video model. Generates short clips at 480p or 720p directly from a text prompt, with 30 FPS frame interpolation enabled by default โ€” the text-to-video sibling of Wan 2.2 I2V Fast.

240 credits
per output video (flat, not per-second) โ€” 480p 120, 720p 240 (billed at the 720p rate if resolution is omitted)
PrunaAI-optimized inference โ€” fast and low-cost compared to the base Wan 2.2 model
Pure text-to-video: no reference image required, just a prompt
30 FPS frame interpolation (ffmpeg-based) enabled by default for smoother motion
480p or 720p output with flat per-video pricing (not per-second)
81-121 frame range and adjustable FPS for fine control over clip length

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Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "wan-video/wan-2.2-t2v-fast",
  "input": {
    "prompt": "A sports car is driving very fast along a beach at sunset",
    "go_fast": true,
    "num_frames": 81,
    "resolution": "480p",
    "aspect_ratio": "16:9",
    "sample_shift": 12,
    "frames_per_second": 16
  }
}'

Parameters

ParameterTypeRequiredDefaultDescription
promptstringYes-Prompt for video generation
optimize_promptbooleanNofalseTranslate prompt to Chinese before generation
num_framesintegerNo81Number of video frames, 81-121 (81 gives the best results)
aspect_ratiostringNo16:9Aspect ratio of the video
16:99:16
resolutionstringNo480pResolution of video: 16:9 is 832x480px, 9:16 is 480x832px
480p720p
frames_per_secondintegerNo16Frames per second, 5-30. Pricing is based on duration at 16 fps
interpolate_outputbooleanNotrueInterpolate the generated video to 30 FPS using ffmpeg (on by default)
go_fastbooleanNotrueGo fast (faster inference, no price change)
sample_shiftnumberNo12Sample shift factor (1-20)
seedintegerNo-Random seed. Leave blank for random
disable_safety_checkerbooleanNofalseDisable safety checker for generated video
lora_weights_transformerstringNo-Load LoRA weights for transformer. Supports arbitrary .safetensors URLs from the Internet (for example, 'https://huggingface.co/Viktor1717/scandinavian-interior-style1/resolve/main/my_first_flux_lora_v1.safetensors')
lora_scale_transformernumberNo1Determines how strongly the transformer LoRA should be applied.
lora_weights_transformer_2stringNo-Load LoRA weights for transformer_2. Supports arbitrary .safetensors URLs from the Internet. Can be different from transformer LoRA.
lora_scale_transformer_2numberNo1Determines how strongly the transformer_2 LoRA should be applied.

Common Parameters

Common parameters used when calling POST /v1/predictions.

ParameterTypeRequiredDefaultDescription
modelstringYes-Model identifier
inputobjectYes-Object containing the model-specific parameters from the table above
output_folderstringNo-Folder path for output files (max 256 chars, '..' not allowed)
webhook_urlstringNo-Webhook URL to call on completion
is_publicbooleanNofalseIf true, output files are also available via permanent public URLs

Examples

480p Text-to-Video (Half Price)

Fast, low-cost generation at the default 480p resolution โ€” 75 credits

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "wan-video/wan-2.2-t2v-fast",
  "input": {
    "prompt": "A sports car is driving very fast along a beach at sunset",
    "go_fast": true,
    "num_frames": 81,
    "resolution": "480p",
    "aspect_ratio": "16:9",
    "sample_shift": 12,
    "frames_per_second": 16
  }
}'

720p Vertical Clip

Higher-resolution 9:16 output for short-form social content

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "wan-video/wan-2.2-t2v-fast",
  "input": {
    "prompt": "A barista pours latte art in a cozy cafe, steam rising, warm morning light through the window",
    "resolution": "720p",
    "aspect_ratio": "9:16",
    "num_frames": 81,
    "frames_per_second": 16
  }
}'

Tips & Best Practices

1480p costs half of 720p (75 vs 150 credits) โ€” prototype prompts at 480p and only re-render keepers at 720p
2Always set resolution explicitly: if it is omitted, billing conservatively falls back to the 720p rate even though the schema default is 480p
3Pricing is per output video, not per second โ€” clip length is controlled by num_frames and frames_per_second without extra cost
481 frames gives the best quality according to the model card; going up to 121 rarely helps
5For animating an existing image instead of pure text, use the sibling model wan-video/wan-2.2-i2v-fast

Use Cases

Quick text-to-video social media clips without any source footage
Low-cost concept previews before committing to a higher-tier video model
Batch-generating many prompt variations cheaply at 480p
Vertical short-form content via the 9:16 aspect ratio
Fast storyboard and animatic drafts from script lines