Grok Video 3 (xAI) API
grok-video-3Grok Video 3 is xAI's video generation model for both text-to-video and image-to-video, priced per second: $0.04/s at 480p or 720p and $0.12/s at 1080p. One endpoint does both text-to-video (omit images) and image-to-video (pass 1–7 reference images, ≤10 MB each, to lock subject, style or first frame), across five aspect ratios (2:3, 3:2, 1:1, 16:9, 9:16) for landscape or portrait. Choose 6, 10 or 15-second output. Good for social video, ad A/B creatives, and storyboards. Failed tasks are not billed.
Generate Video
Result
Generated video will appear here
Provide URLs and click Generate
Per-Second Pricing
$0.04/s at 480p / 720p — 6s $0.24 · 10s $0.40 · 15s $0.60; $0.12/s at 1080p — 6s $0.72 · 10s $1.20 · 15s $1.80
T2V + I2V in One Endpoint
Omit imageUrls for pure text-to-video; provide 1-7 references for image-to-video
Duration
6, 10 or 15 seconds
5 Aspect Ratios
2:3, 3:2, 1:1, 16:9, 9:16
Resolution Choice
1080p, 720p or 480p — picked at submit time
About Grok Video 3
Grok Video 3 is a Video Generation API provided by xAI. Grok Video 3 is xAI's video generation model for both text-to-video and image-to-video, priced per second: $0.04/s at 480p or 720p and $0.12/s at 1080p. One endpoint does both text-to-video (omit images) and image-to-video (pass 1–7 reference images, ≤10 MB each, to lock subject, style or first frame), across five aspect ratios (2:3, 3:2, 1:1, 16:9, 9:16) for landscape or portrait. Choose 6, 10 or 15-second output. Good for social video, ad A/B creatives, and storyboards. Failed tasks are not billed. Through APIMODELS platform, you can access this model via a unified API with transparent pay-as-you-go pricing. Current pricing: 6s · 480p/720p: $0.24, 10s · 480p/720p: $0.4, 15s · 480p/720p: $0.6, 6s · 1080p: $0.72, 10s · 1080p: $1.2, 15s · 1080p: $1.8.
Key Features
- Per-Second Pricing -- $0.04/s at 480p / 720p — 6s $0.24 · 10s $0.40 · 15s $0.60; $0.12/s at 1080p — 6s $0.72 · 10s $1.20 · 15s $1.80
- T2V + I2V in One Endpoint -- Omit imageUrls for pure text-to-video; provide 1-7 references for image-to-video
- Duration -- 6, 10 or 15 seconds
- 5 Aspect Ratios -- 2:3, 3:2, 1:1, 16:9, 9:16
- Resolution Choice -- 1080p, 720p or 480p — picked at submit time
Use Cases
Marketing Videos
Quickly generate brand promotion videos for ad campaigns and social media marketing.
Social Media Content
Create compelling short-form video content for platforms like TikTok, Instagram, and YouTube.
Product Demos
Generate product feature demonstrations and tutorials to improve user conversion.
Educational Content
Produce course explanations, knowledge explainers, and training videos at an affordable price.
Why APIMODELS
- Unified API -- One API key to access all models, no need to register on multiple platforms
- Transparent Pricing -- Pay-as-you-go with per-call pricing published on every model page, ideal for indie developers and startups
- Instant Access -- Start using immediately after signup, supports Stripe and Alipay payments
- Full Documentation -- Detailed API docs with code examples in cURL, Python, and Node.js
Frequently Asked Questions
How much does Grok Video 3 cost?
Grok Video 3 is available through APIMODELS at: 6s · 480p/720p: $0.24, 10s · 480p/720p: $0.4, 15s · 480p/720p: $0.6, 6s · 1080p: $0.72, 10s · 1080p: $1.2, 15s · 1080p: $1.8. Billing is pay-as-you-go — you only pay for what you generate.
How to use Grok Video 3 API?
Sign up at APIMODELS, get your API key, and call our unified API endpoint. We provide detailed API documentation with code examples in cURL, Python, and Node.js.
What is the difference between APIMODELS and the official xAI API?
APIMODELS offers the same Grok Video 3 model through our aggregation platform. We provide a unified API interface so you do not need separate accounts for each provider - one API key to access all models.
What is Grok Video 3 and what is its main draw?
Grok Video 3 is xAI's video generation model. It is priced per second — $0.04/s at 480p or 720p, $0.12/s at 1080p — with flexible 6 / 10 / 15 second durations, and does both text-to-video and image-to-video — a solid pick for high-volume video.
How does image-to-video work, and how many reference images?
No images → text-to-video; pass 1–7 reference images (≤10 MB each) → image-to-video to lock subject, style or first frame. Five aspect ratios are supported (2:3, 3:2, 1:1, 16:9, 9:16) for both landscape and portrait.
How is Grok Video 3 priced?
Per second, with the rate set by resolution. 480p / 720p is $0.04/s — $0.24 for 6s, $0.40 for 10s, $0.60 for 15s. 1080p is $0.12/s — $0.72 for 6s, $1.20 for 10s, $1.80 for 15s. Charged per second of output, and failed tasks are not billed.
What is Grok Video 3 best for?
Batch social-video production, ad A/B creatives, proof-of-concept and storyboards, and any "high-volume, affordable, fast" video need. When you need longer controllable duration (up to 30s), its range is also wider than most competitors.
How does Grok Video 3 compare to other Video Generation models?
On APIMODELS, Grok Video 3 runs alongside 60+ models on one API key and one balance, so choosing is about fit, not lock-in. It supports Text to Video, Image to Video, 6 / 10 / 15s, 480p / 720p / 1080p, 5 Aspect Ratios, $0.04/s, and you can weigh it on price and capability against other Video Generation models, then switch by changing a single model-name string — no new account or integration. Browse every Video Generation option with live pricing at apimodels.app/models.
What can Grok Video 3 do?
Grok Video 3 supports: Text to Video, Image to Video, 6 / 10 / 15s, 480p / 720p / 1080p, 5 Aspect Ratios, $0.04/s. See the APIMODELS docs for full parameters and call examples.
Can I access the Grok Video 3 API from anywhere (incl. China)?
Yes. APIMODELS exposes Grok Video 3 through a single unified API and one key — no separate provider accounts, and no need to handle each provider's regional network access yourself.
What payment methods are supported?
We support Stripe (Visa, Mastercard, and other international cards) and Alipay. Credits are available instantly after payment.
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