Sync Labs

This page is auto-generated from model configurations. Last updated: 2026-07-01.

This reference lists all available Sync Labs video generation models and their parameters. Use these parameter names when calling the Generation API.

• Sync Lipsync React-1
• Sync Lipsync v2
• SYNC Lipsync v2 Pro
• Sync-3 Avatar Image to Video
• Sync-3 Lipsync

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Sync Lipsync React-1

Use React-1 from SyncLabs to refine human emotions and do realistic lip-sync without losing details!

Model ID: model_sync-lipsync-react-1

Capabilities: video2video

LLM Markdown: https://app.scenario.com/api/models/model_sync-lipsync-react-1/markdown

Parameter	Type	Required	Default	Min	Max	Allowed Values	Description
video	file	Yes	-	-	-	-	Input video file
audio	file	Yes	-	-	-	-	Input audio file. Maximum duration is 15 seconds.
emotion	string	No	neutral	-	-	happy, angry, sad, neutral, disgusted, surprised	Emotion prompt for the generation.
modelMode	string	No	face	-	-	lips, face, head	Controls the edit region and movement scope for the model. Available options: “lips”: Only lipsync using react-1 (minimal facial changes). “face”: Lipsync + facial expressions without head movements. “head”: Lipsync + facial expressions + natural talking head movements.
lipsyncMode	string	No	bounce	-	-	loop, bounce, cut_off, silence, remap	Lipsync mode when audio and video durations are out of sync.
temperature	number	No	0.5	0	1	-	How expressive lipsync can be (0-1)

Sync Lipsync v2

Model ID: model_sync-lipsync-v2

Capabilities: video2video

LLM Markdown: https://app.scenario.com/api/models/model_sync-lipsync-v2/markdown

Parameter	Type	Required	Default	Min	Max	Allowed Values	Description
video	file	Yes	-	-	-	-	Input video file
audio	file	Yes	-	-	-	-	Input audio file
syncMode	string	No	loop	-	-	loop, bounce, cut_off, silence, remap	Lipsync mode when audio and video durations are out of sync
temperature	number	No	0.5	0	1	-	How expressive lipsync can be (0-1)

SYNC Lipsync v2 Pro

Model ID: model_sync-lipsync-v2-pro

Capabilities: video2video

LLM Markdown: https://app.scenario.com/api/models/model_sync-lipsync-v2-pro/markdown

Parameter	Type	Required	Default	Min	Max	Allowed Values	Description
video	file	Yes	-	-	-	-	Input video file
audio	file	Yes	-	-	-	-	Input audio file
syncMode	string	No	loop	-	-	loop, bounce, cut_off, silence, remap	Lipsync mode when audio and video durations are out of sync
temperature	number	No	0.5	0	1	-	How expressive lipsync can be (0-1)
activeSpeaker	boolean	No	false	-	-	-	Whether to detect active speaker (i.e. whoever is speaking in the clip will be used for lipsync)

Sync-3 Avatar Image to Video

Animate a still image into a talking character video that lip-syncs to a provided audio track.

Model ID: model_sync-lipsync-v3-image-to-video

Capabilities: img2video

LLM Markdown: https://app.scenario.com/api/models/model_sync-lipsync-v3-image-to-video/markdown

Parameter	Type	Required	Default	Min	Max	Allowed Values	Description
image	file	Yes	-	-	-	-	A photo of the character or person to bring to life. Their mouth is animated to match the audio.
audio	file	Yes	-	-	-	-	The voice or speech track to lip-sync to. The video is the same length as this audio.

Sync-3 Lipsync

Sync-3 lipsync model for professional-quality video lip synchronization.

Model ID: model_sync-lipsync-v3

Capabilities: video2video

LLM Markdown: https://app.scenario.com/api/models/model_sync-lipsync-v3/markdown

Parameter	Type	Required	Default	Min	Max	Allowed Values	Description
video	file	Yes	-	-	-	-	Input video file.
audio	file	Yes	-	-	-	-	Input audio file.
syncMode	string	No	cut_off	-	-	cut_off, loop, bounce, silence, remap	Lipsync mode when audio and video durations are out of sync.