Veo4 AI Video Generator
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Frequently Asked Questions about Google Veo 3.1
What is Google Veo 3.1?
Google Veo 3.1 is Google's latest AI video generation model, an upgrade to the Veo 3 series. It produces cinematic-quality videos up to 4K resolution from text, images, or existing video clips. Veo 3.1 powers the video studio on this platform.
What is the difference between Veo 3.1 Fast and Quality modes?
Fast mode (200 credits) uses the veo3_fast model for quicker generation — ideal for drafts and iteration. Quality mode (300 credits) uses the veo3 model with higher fidelity, richer details, and more coherent motion. Quality mode is only available for Text-to-Video and Image-to-Video.
What generation types does Veo 3.1 support?
Veo 3.1 supports three generation types: Text-to-Video (generate from a text prompt), Image-to-Video (animate using a start and/or end frame), and Reference-to-Video (generate a video guided by up to 3 reference images).
What is the Video Extend feature?
Video Extend lets you seamlessly extend an already-generated video by +7 seconds per step, up to a maximum of 20 extension steps and 148 seconds total. You can use Lite (200 credits), Fast, or Quality (600 credits) extend modes. 4K videos do not support extension.
What aspect ratios and resolutions does Veo 3.1 support?
Veo 3.1 supports 16:9 (landscape), 9:16 (portrait), and Auto (model decides). Available resolutions are 720p, 1080p, and 4K. Note: Video Extend is not available for 4K outputs.
How long does Veo 3.1 generation take?
Most videos complete in 1–5 minutes. Generation time varies based on resolution (4K takes longer), duration (4–8 seconds), mode (Quality is slower), and current server load. Our adaptive polling checks every 10–30 seconds until your video is ready.
How many credits does Veo 3.1 cost?
Text-to-Video Fast: 200 credits. Text-to-Video or Image-to-Video Quality: 300 credits. Reference-to-Video: 200 credits. Video Extend Lite: 200 credits. Video Extend Quality: 600 credits. Credits are deducted immediately and refunded automatically if generation fails.
What video duration can Veo 3.1 generate?
A single Veo 3.1 generation produces up to 8 seconds of video. Using the Video Extend feature, you can keep extending in +7 second increments up to a total of 148 seconds (about 2.5 minutes).
Can I use Veo 3.1 videos commercially?
Yes — all paid plan subscribers (Starter, Pro, and above) receive full commercial usage rights for their generated videos. Free-tier users may use videos for personal, non-commercial purposes only.
How does Image-to-Video work in Veo 3.1?
Upload a start frame and/or an end frame image, then write a prompt describing the motion and style. Veo 3.1 generates a video that begins and ends at your specified frames, smoothly animating everything in between. Great for product showcases and controlled cinematic shots.