Pricing
The lite Grok Imagine Video tier on Runway Dev. 720p is 3 credits per second before the start-frame credit.
720p rate from the cited page.
$0.03/s × 5s × 1
$0.15
Reference images, input video, credit minimums, and tax are not included unless the note on this page says so.
Runway Dev resale rate fetched 2026-11-03. 1 credit = $0.01. Not the lab's own checkout unless the model is Runway's. 480p is 2 credits/s plus 1 credit for an image-to-video start frame. 720p is 3, 1080p is 14, same start-frame credit.
Source: https://docs.dev.runwayml.com/guides/pricing/
Full spec