Grok Imagine 1.5: Free Image to Video, with Sound
xAI's latest Grok Imagine, free to try on VidCella. Upload an image, add an optional prompt, and it animates into a short clip — with native synchronized audio in the same pass. 480p or 720p, 1–15 seconds, unlimited pay-as-you-go generations. No subscription.
What Is Grok Imagine 1.5?
Grok Imagine 1.5 is xAI's latest image-to-video model — give it a still image (plus an optional text prompt) and it animates that image into a short video, generating synchronized audio in the same pass. It's the successor to Grok Imagine 1.0, with more natural audio, stronger character consistency, and smoother, more realistic motion. On VidCella it's free to start and billed by the second after that — no subscription.
- Native Audio in One PassVideo and synchronized sound are generated together — lip-synced dialogue, sound effects, ambient sound, and music — no separate audio step.
- Animate Any ImageYour uploaded image becomes the starting frame. 1.5 animates it while staying faithful to the original detail and lighting.
- An Upgrade Over 1.0More natural audio, better face and character consistency, smoother motion, and stronger prompt adherence than Grok Imagine 1.0.
- Free to Start, Pay by the Second3 credits/s at 480p, 5 at 720p — unlimited generations, no subscription, no minimum. You pay for the clip you make, nothing else.
How to Use Grok Imagine 1.5 on VidCella
From image to animated clip in four steps:
Grok Imagine 1.5 Features on VidCella
What you get, pay-per-generation:
Image to Video with Sound
Animate a still image into a clip with native synchronized audio — dialogue, sound effects, ambient sound, and music — generated in one pass.
Faithful Image Animation
The source image becomes the first frame; 1.5 animates from there while preserving its detail and lighting.
Better Than 1.0
More natural audio, stronger character consistency, smoother motion, and tighter prompt following than the previous Grok Imagine.
480p & 720p Output
480p for fast drafts, 720p for the keeper — clips from 1 to 15 seconds either way.
Flexible Aspect Ratios
Auto (match your image), 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, or 2:3.
Free to Start, Unlimited Pay-As-You-Go
3–5 credits/s by resolution. No subscription, no queue, no waitlist — generate as much as you want.
FAQs about Grok Imagine 1.5
Common questions about Grok Imagine 1.5 on VidCella
What is Grok Imagine 1.5?
xAI's latest image-to-video AI model. It animates a still image (with an optional text prompt) into a short video and generates synchronized native audio in the same pass.
Is Grok Imagine 1.5 free on VidCella?
It's free to start — new accounts get credits to try it, and after that it's pay-as-you-go with no subscription. You're billed only for the clips you generate.
Does Grok Imagine 1.5 do text-to-video?
Grok Imagine 1.5 is image-to-video — it needs a source image. Upload an image and add an optional prompt to guide the motion. (For text-to-video, VidCella also offers the original Grok Imagine and other models.)
Does it generate sound?
Yes. Native audio is generated together with the video — lip-synced dialogue, sound effects, ambient sound, and music — no separate step.
What resolution and length are supported?
480p or 720p, with clips from 1 to 15 seconds.
Which aspect ratios can I use?
Auto (matches your uploaded image), plus 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, and 2:3.
How is 1.5 better than Grok Imagine 1.0?
More natural audio, better character and face consistency, smoother and more realistic motion, and stronger prompt following.
How much does it cost?
Per-second: 3 credits/s at 480p and 5 credits/s at 720p, billed as rate × duration. So 480p/8s = 24 credits and 720p/8s = 40 credits. No subscription.