V6 released!

Feature Comparison

feature	Text-to-video	Image-to-Video	Transition (First/Last Frame)	Video Extension
endpoint	text/generate	img/generate	transition/generate	extend/generate
model	✅"model":"v6"	✅"model":"v6"	✅"model":"v6"	✅"model":"v6"
duration	• 1–15 seconds (1080p supports up to 15s)	• 1–15 seconds (1080p supports up to 15s)	• 1–15 seconds (1080p supports up to 15s)	• 1–15 seconds (1080p supports up to 15s)
quality	360/540/720/1080	360/540/720/1080	360/540/720/1080	360/540/720/1080
aspect_ratio	16:9,4:3,1:1,3:4,9:16,2:3,3:2,21:9	-	-	-
generate_audio_switch	✅	✅	✅	✅
generate_multi_clip_switch	✅	✅	-	-

Parameter	Type	Required	t2v	it2v	transition	extend
model	string	Yes	v6	v6	v6	v6
prompt	string	Yes	≤2048 chars	≤2048 chars	≤2048 chars	≤2048 chars
duration	int	Yes	1–15	1–15	1–15	1–15
quality	string	Yes	“360p”,“540p”,“720p”,“1080p”	same	same	same
aspect_ratio	string	Yes	Supported	❌	❌	❌
generate_audio_switch	boolean	No	true/false	true/false	true/false	true/false
generate_multi_clip_switch	boolean	No	true/false	true/false	❌	❌
img_id	int	Yes	❌	✅	❌	❌
first_frame_img	int	Yes	❌	❌	✅	❌
last_frame_img	int	Yes	❌	❌	✅	❌
seed	int	No	0–2147483647	same	same	same

Calculated per second