Chrome ExtensionGrok Imagine 1.5 Video Prompt Generator
Generate optimized video prompts for xAI's Grok Imagine 1.5 — the #1 ranked AI video model. 720p clips up to 15 seconds with lip-synced dialogue, native audio, multi-shot sequences, and chainable extensions.
Describe the main visual scene — subjects, environment, mood, and key visual details
Generated Prompt
Fill in the form and click "Generate" to create an optimized Grok Imagine 1.5 video prompt.
Tip: Describe the motion and temporal progression of your scene. Think in terms of "what happens over time" rather than a static description.
Grok Imagine 1.5 Tips
- • Grok Imagine 1.5 generates 720p at 24fps with clips up to 15 seconds — keep action complexity proportional to duration
- • Audio is generated in the same pass — use an explicit "Sound:" section and put exact dialogue in quotes for lip-sync
- • For multi-shot sequences, use "cut to" or "camera switch" as transition cues between shots
- • Build longer narratives by chaining extensions — Grok continues from the final frame, preserving motion, lighting, and character position
- • Front-load key actions: the model renders actions described early in the prompt early in the clip
- • Compose scene descriptions appropriate to your aspect ratio (16:9 cinematic, 9:16 vertical)
Grok Imagine Update Log
Grok Imagine 1.5
● LatestMay 2026- Debuted at #1 on the Image-to-Video Arena leaderboard, ahead of Seedance and Veo.
- Maximum clip length extended from 10 to 15 seconds, with output upgraded to 720p at 24fps.
- Significantly improved lip-sync accuracy for spoken dialogue generated in the same pass as the video.
- Video extension matured: continue a new clip from the final frame of the previous one, preserving motion, lighting, and character position to chain longer sequences.
"Extend from Frame"
March 2, 2026- Introduced clip chaining — use the last frame of one clip as the start of the next for sequences up to 15 seconds per clip.
- A Folders feature (March 4) was added for organizing generated content.
Grok Imagine 1.0
February 3, 2026- Full 1.0 release: video length extended to 10 seconds at 720p with improved audio quality.
- Followed the January 28, 2026 API launch (text-to-video, image-to-video, and video editing at $0.05/second).
Popular Grok Imagine 1.5 Use Cases
Where 1.5's longer clips, lip-sync, and native audio make the biggest difference.
Talking-head & dialogue scenes
Improved lip-sync makes 1.5 strong for character monologues, two-person conversations, and narration. Put exact lines in quotes for clean mouth movement.
Social video (Reels, Shorts, TikTok)
9:16 vertical clips up to 15s with native audio — ready-to-post UGC, hooks, and creator content without a separate sound pass.
Multi-shot story sequences
Chain extensions from the final frame to build longer narratives, or use "cut to" cues inside a single prompt for multiple shots.
Product & ad spots
Cinematic 720p product showcases and short ad teasers with camera moves, lighting direction, and synchronized music or SFX.
Image-to-video animation
Animate a still into motion — the output defaults to the input image's aspect ratio, preserving your framing and composition.
ASMR & sound-design clips
Native audio generated alongside the video makes 1.5 a fit for ambient, ASMR, and diegetic-sound pieces — describe the soundscape explicitly.
Frequently Asked Questions
What is Grok Imagine 1.5?
Grok Imagine 1.5 is xAI's latest video generation model (released May 2026). It produces cinema-quality 720p clips at 24fps, up to 15 seconds long, with native synchronized audio — and debuted at #1 on the Image-to-Video Arena leaderboard, ahead of Seedance and Veo.
What's new in Grok Imagine 1.5 vs 1.0?
Version 1.5 extends maximum clip duration from 10 to 15 seconds, upgrades output to 720p, significantly improves lip-sync accuracy, and adds video extension — continuing a new clip from the final frame of the previous one so you can chain shots into longer sequences.
Can Grok Imagine 1.5 create multi-shot sequences?
Yes, two ways. Within a single prompt, use "cut to" or "camera switch" as transition cues to describe multiple shots. For longer narratives, use the extension feature: select the final frame of a generated clip and instruct the model to continue from that exact point, preserving motion continuity, character positioning, and lighting.
Does it generate audio and dialogue?
Yes! Grok Imagine 1.5 generates audio in the same pass as the video: lip-synced character dialogue, ambient environment sound, synchronized sound effects, and background music. Put exact dialogue lines in quotes and add an explicit "Sound:" section in your prompt for best results.
What aspect ratios are supported?
Grok Imagine 1.5 supports 7 aspect ratios including 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, and 2:3. For image-to-video, the output defaults to the input image's aspect ratio.
Is this tool free?
Yes! You get 3 free prompt generations per day. For unlimited access, sign up for a Promptslove membership.
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