alibaba/wanx2.1-kf2v-plus

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Schema

[Core Function] Wanx 2.1 KF2V Plus is a legacy generation model. [Strengths] Delivered strong Chinese-language prompt understanding and regional aesthetic preferences. Maintained for backward compatibility. [Best For] Existing legacy integrations and workflows that strictly depend on this specific model version's quirks. [Limitations] Do NOT use this for new creations. It is a legacy model maintained for backward compatibility. [Routing] Only use if explicitly requested; otherwise use Wan 2.7.

$0.0611/sec
image-to-video

Input

Video content description, will be ignored when using video effects
First frame image URL (supports HTTP/HTTPS/Base64)
Hint: Drag and drop files, paste from clipboard (Ctrl/Cmd+V), or provide a URL.
Description of what to avoid in the output.
Video duration in seconds, fixed value
5
Last frame image URL (supports HTTP/HTTPS/Base64), not needed when using video effects
Hint: Drag and drop files, paste from clipboard (Ctrl/Cmd+V), or provide a URL.
Enable prompt intelligent rewriting
Video resolution tier, only supports 720P
720P
Random seed for reproducibility
Video effect template name (5 single-person effects available), only need first_frame_url when using effects
template

Result

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README

Parameters

Name Description Type Required Enums
prompt Video content description, will be ignored when using video effects string No -
first_frame_url First frame image URL (supports HTTP/HTTPS/Base64) string Yes -
negative_prompt Description of what to avoid in the output. string No -
duration Video duration in seconds, fixed value integer No 5
last_frame_url Last frame image URL (supports HTTP/HTTPS/Base64), not needed when using video effects string No -
prompt_extend Enable prompt intelligent rewriting boolean No true, false
resolution Video resolution tier, only supports 720P string No 720P
seed Random seed for reproducibility integer No -
template Video effect template name (5 single-person effects available), only need first_frame_url when using effects string No hanfu-1, solaron, magazine, mech1, mech2

Pricing

Unit: $/sec

Pricing
$0.0611/sec