FrameInterpolate - ComfyUI Built-in Node Documentation - ComfyUI

The Frame Interpolate node creates new frames between existing ones in a sequence of images, effectively increasing the frame rate. It uses an AI model to predict what the intermediate frames should look like, which can be used to create smooth slow-motion effects or to increase the smoothness of a video.

Inputs

Parameter	Description	Data Type	Required	Range
`interp_model`	The frame interpolation model to use for generating intermediate frames	INTERP_MODEL	Yes	-
`images`	A batch of consecutive images (frames) to interpolate between. Requires at least 2 images. If fewer than 2 frames are provided, the node returns the input images unchanged.	IMAGE	Yes	-
`multiplier`	The number of times to multiply the frame count. For example, a multiplier of 2 doubles the number of frames. (default: 2)	INT	Yes	2 to 16

Note: The node requires at least 2 input frames and a multiplier of at least 2. If either condition is not met, the input images are returned unchanged.

Outputs

Output Name	Description	Data Type
`IMAGE`	A new batch of images with the interpolated frames inserted between the original frames, resulting in a smoother sequence. The total number of output frames is `(number of input frames - 1) * multiplier + 1`.	IMAGE

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