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xAI rolls out Grok Imagine in the Grok iOS app to SuperGrok and Premium+ subscribers, turning generated or uploaded images into short clips with synced sound and four styles: Custom, Normal, Fun and Spicy.

xAI ships Imagine v0.9, a new video model with big gains over v0.1 in visual quality, motion and audio, including speech and songs that match lip movements, free on all of its products.

xAI opens the voice stack behind Grok's mobile apps and Tesla cars as the Grok Voice Agent API, billed at a flat $0.05 per minute with sub-one-second time to first audio.

xAI opens the Grok Imagine API, a text-to-video, image-to-video and video-editing bundle with native audio that debuted first on Artificial Analysis's video leaderboards at $4.20 per minute.

xAI launches Grok Imagine 1.0, its 'biggest leap yet': 10-second videos at 720p with dramatically better audio, announced alongside a claim of 1.245 billion videos generated in the previous 30 days.

xAI ships Grok Voice 1.0 in the API, a flagship model for multi-step, tool-heavy support and sales calls that takes the top spot on the τ-voice leaderboard and supports 25+ languages.

xAI puts grok-imagine-video-1.5-preview in its API: an image-to-video model with native audio at up to 720p that debuted at or near the top of the Image-to-Video arenas, two days after a first appearance on Arena.

xAI takes Grok Imagine Video 1.5 out of preview in the Imagine API and rolls out a Fast tier in the apps that makes a 6-second 720p clip in about 25 seconds, down from 40-plus.

xAI's Grok Voice 2.0 scores 82.9 on Artificial Analysis's speech-to-speech index (up from 75.7), answers in 0.70 seconds and transcribes 1.5-2.0x more accurately than Deepgram Nova 3 and ElevenLabs Scribe v2.

xAI upgrades grok-imagine-video-1.5 with text-to-video, up to seven reference images, voice references and native 1080p, live in the xAI API and on grok.com/imagine.

xAI's Grok Voice 3.0 ranks #1 on Artificial Analysis's Speech-to-Speech Index (86.9), scores 97% on Full Duplex Bench, answers in under a second and keeps Voice 2.0's $0.08 per minute price.