Not established from the available sources.
XAI · MODEL RELEASE TRACKER
grok-imagine-video-1.5
grok-imagine-video-1.5 is xAI's video-generation model (Imagine Video 1.5). The announcement describes improved motion, physics, and audio, plus support for text-to-video, image-to-video, image and voice references, and native 1080p output.CURRENT SNAPSHOT2/5 DIMENSIONS WITH DATA
The dimensions that change the decision.
Not established from the available sources.
ModalitiesSupports text-to-video and image-to-video generation; accepts text, image, and voice references as inputs; generates video output (up to 1080p).
Not established from the available sources.
Platform rollout and API availabilityImage and voice references began rolling out in the US for SuperGrok Heavy and SuperGrok Plus on grok.com/imagine and iOS, with broader rollout to all tiers over the next days. Text-to-video and native 1080p are generally available on grok.com/imagine, iOS, and Android. Image references, text-to-video, and native 1080p are live in the xAI API for grok-imagine-video-1.5; voice reference support in the API is available on request.
VERIFIABLE FACTS
Every value stays attached to a source and date.
RELEASE · Launch timingDEVELOPER CLAIM
The article states Imagine Video 1.5 was launched 'last month' relative to the 2026-09-16 announcement and was described as the company's 'best video model yet.'
MODALITIES · ModalitiesDEVELOPER CLAIM
Supports text-to-video and image-to-video generation; accepts text, image, and voice references as inputs; generates video output (up to 1080p).
CAPABILITIES · Quality improvementsDEVELOPER CLAIM
Described as having better motion, better physics, and better audio compared to the prior release.
CAPABILITIES · Character and voice consistency with referencesDEVELOPER CLAIM
Passing a character image and a voice reference can hold the same face and the same voice in every scene (the model can keep a character and swap scenes, keep a scene and swap character, or hold both and change only the action).
LIMITATIONS · Reference count limitDEVELOPER CLAIM
Generations support up to seven references per generation.
AVAILABILITY · Platform rollout and API availabilityDEVELOPER CLAIM
Image and voice references began rolling out in the US for SuperGrok Heavy and SuperGrok Plus on grok.com/imagine and iOS, with broader rollout to all tiers over the next days. Text-to-video and native 1080p are generally available on grok.com/imagine, iOS, and Android. Image references, text-to-video, and native 1080p are live in the xAI API for grok-imagine-video-1.5; voice reference support in the API is available on request.
WHAT CHANGED