Grok Imagine Video 1.5 Lite
Released on October 1, 2026
Changes from previous version
Cuts the 480p rate from $0.08 to $0.02 per second, 720p from $0.14 to $0.03, and 1080p from $0.25 to $0.14 versus Grok Imagine Video 1.5. Drops preset-voice audio input. Input images stay $0.01.
Release Summary
SpaceXAI's lower-cost video model on the Imagine API, listed as grok-imagine-video-1.5-lite. It accepts text and image input and returns video. Listed rates are $0.02 per second at 480p, $0.03 at 720p, and $0.14 at 1080p, plus $0.01 per input image. The model page headline of $0.020 per second matches the 480p default, one quarter of Grok Imagine Video 1.5 at $0.08. The Lite registry entry does not include the audio input modality used for preset voices on 1.5. The Batch API is supported, at 10 requests per second, in us-east-1 and us-west-2.
Timeline
Imagine Video 1.5 Lite listed
SpaceXAI lists grok-imagine-video-1.5-lite on the Imagine API at $0.02 per second for 480p output.