AI Video Generator
Veo 3.1
Generate AI video with Veo 3.1: text to video and image to video, all from one Vidney workspace.
Output
What Veo 3.1 does well
First and last frame conditioning
Pin the opening and closing frame and Veo fills the motion between them. Reveals land exactly on the composition you specified.
Scene extension on existing shots
Extend a shot you already approved: the model reads its momentum, lighting and camera path and carries them into the new seconds.
Ingredients-to-video composition
Supply a character, a product and a setting as reference images and Veo stages them into one directed scene.
Native audio with the picture
Dialogue, score and effects arrive with the footage, keyed to what happens on screen. An audio-led clip is close to finished at render time.
What you can make with Veo 3.1
Frame-locked brand reveals
Open on an empty set and resolve exactly on the signed-off key visual. The reveal lands where the layout demands.
Audio-led short scenes
Dialogue, score and ambience generated against the picture: a watchable, audible take from one render.
Extending a shot that ends early
Add seconds that continue the same motion, framing and lighting. No reshoot, no awkward cut.
Reference-built product shots
Hand it the actual product, character and setting as images and compose the exact scene, not an invented stand-in.
The technology behind Veo 3.1
How the model works, based on public documentation and sourced evidence.
Veo 3.1 belongs to Google DeepMind's Veo 3 family, which is built on latent diffusion. Instead of working on raw pixels, the model denoises compressed spatio-temporal video latents and temporal audio latents together, which is how it generates picture and sound as one synchronized output. Google's model card says training used video, audio and image data captioned by Gemini models, filtered for unsafe content and personal information, and trained on TPUs.
Released on October 15, 2025 through the Gemini API, Flow, Vertex AI and the Gemini app, Veo 3.1 upgraded Veo 3 with richer native audio (conversations, synchronized sound effects, ambient noise), stronger prompt adherence in image-to-video work, and better character consistency across scenes. It launched at the same price as Veo 3.
The bigger change is control. Ingredients to Video lets you steer a generation with up to three reference images, First and Last Frame generates a transition (with audio) between two stills, and Scene Extension chains new clips onto the end of a previous one so a sequence can run past a minute. Base clips are 8 seconds, with 1080p output and 4K supported, and Google reports top human-rater scores on Meta's MovieGenBench for overall preference, prompt following and audio-video sync.
Every Veo output carries a SynthID watermark, an invisible identifier that marks the video as AI-generated, and outputs go through safety evaluations and memorized-content checks. Google also names its known limits openly: keeping everything consistent in complex scenes or fast, intricate motion is still a challenge, and producing natural, consistent spoken audio for short speech segments remains an area of active development.
Sources: googleblog.com · deepmind.google · blog.google · tomsguide.com · curiousrefuge.com
Who reaches for Veo 3.1
Veo 3.1 is the model people pick when a clip has to look finished and hit exact marks. Brand and social teams use it for polished spots where the fidelity reads as commercial-grade out of the render, with native audio handled in the same pass rather than scored after. Its real distinction is structural control: you can fix the first and last frame and let Veo fill the motion between them, so a logo reveal lands on the frame you specified and a product turn ends in the pose you need. Storytellers building audio-led pieces lean on dialogue, effects and music generated against the picture. Editors who already have a strong shot use scene extension to lengthen it without a reshoot. Pick Veo 3.1 over Runway Gen-4 Turbo when you need synced audio and frame-accurate continuity rather than Runway's fast iteration and region painting; do not pick it when the job is twenty rough variations in an afternoon. Quality, Fast and Lite tiers let you trade fidelity for speed, and on Vidney those tiers sit in one workspace next to the other models.
How to generate video with Veo 3.1
Create AI video with Veo 3.1 on Vidney in three steps.
Veo 3.1 vs Vidu Q4 Preview vs Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite
Specs side by side with similar models, all runnable on Vidney.
| Veo 3.1 | Vidu Q4 Preview | Grok Imagine Video 1.5 | Grok Imagine Video 1.5 Lite | |
|---|---|---|---|---|
| Task modes | Text to Video · Image to Video | Image to Video · Reference to Video | Text to Video · Image to Video · Reference to Video | Text to Video · Image to Video |
| Duration | 4, 6, 8 seconds | 3–16 seconds | 1–15 seconds | 1–15 seconds |
| Resolution | 720p · 1080p | 540p · 720p · 1080p · 2K · 4K | 480p · 720p · 1080p | 480p · 720p · 1080p (upscaled from 720p) |
| Audio | Supported | Supported | Included, always on | Included, always on |
| Cost | 24–384 credits per generation | 159 credits per generation | 18 credits per generation | 18 credits per generation |
What creators say about Veo 3.1
Recurring themes from public reviews, comparisons and creator write-ups. Both the good and the bad.
What gets praised
Creators consistently praise the native synchronized audio: dialogue, sound effects and ambient sound come out in the same pass as the video, which reviewers repeatedly call the feature that separates Veo 3.1 from most rivals.
Reviewers highlight strong prompt adherence as a signature strength: detailed scene-based prompts with camera moves and lighting directions tend to come back looking the way they were written.
The control toolkit earns frequent praise, with reviewers saying reference-image guidance, first-to-last-frame transitions and scene extension make Veo 3.1 feel closer to a filmmaking tool than a one-shot clip generator.
Common complaints
A common complaint is a recognizable AI look under stress: fast motion, crowd shots and multi-step actions can show elastic distortions, frame-to-frame instability, or objects that pop into existence instead of moving naturally.
Cost is a recurring gripe: per-second API pricing adds up fast on longer or high-volume projects, pushing budget-minded creators toward the Fast tier or cheaper competitors.
Related models
More AI video models you can run on Vidney.
Generate AI video with Runway Gen-4 Turbo: text to video and image to video, all from one Vidney workspace.
Generate AI video with MiniMax H3 Max: text to video and image to video, all from one Vidney workspace.
Write the scene, the lines and the sound, and Shengshu's Q3 returns all three together, from one second to sixteen.
Generate AI video with Kling 2.6: text to video and image to video, all from one Vidney workspace.
Generate AI video with Kling 2.5 Turbo: text to video and image to video, all from one Vidney workspace.
Alibaba's first Wan with sound built in: speech, effects and music come out with the picture, from a low-cost 480p tier.
Frequently asked questions
What is Veo 3.1?
Veo 3.1 is an AI video model you can run on Vidney. It supports text to video and image to video from a single workspace.
How much does Veo 3.1 cost per generation?
Veo 3.1 costs 24–384 credits per generation. The exact credit cost is shown on the generate button before you run it. That is about $0.72–$11.52 per run at the Starter plan rate ($0.03 per credit).
What aspect ratios does Veo 3.1 support?
Veo 3.1 supports the following aspect ratios: 16:9, 9:16.
How long can Veo 3.1 videos be?
Veo 3.1 generates clips of 4, 6, 8 seconds.
Does Veo 3.1 generate audio?
Yes. Veo 3.1 can generate video with an audio track, and you can toggle sound on or off before generating.
Is Veo 3.1 free to use?
Partly. New accounts get 10 to 30 free credits depending on country, no card required, and Veo 3.1 costs 24–384 credits per generation. Whether your sign-up credits cover a run depends on your balance; the exact cost is always shown on the generate button before you spend a credit.
Can I use Veo 3.1 videos commercially?
Yes. The videos you generate with Veo 3.1 on Vidney are yours to use in commercial projects: ads, social posts, client work, and product content. You keep the output; Vidney only handles generation and storage.
Does Veo 3.1 add a watermark?
Only on the free plan. Free-plan downloads carry a small Vidney watermark; on any paid plan, Veo 3.1 videos download clean, ready to publish or hand to a client. Upgrading also removes the watermark from videos you already made.
What are the best Veo 3.1 alternatives?
The closest Veo 3.1 alternatives on Vidney are Vidu Q4 Preview, Grok Imagine Video 1.5, and Grok Imagine Video 1.5 Lite. They all run in the same workspace from one credit balance, so you can run the same prompt on each and compare the results side by side.
Do I need an API key or a provider account to use Veo 3.1?
No. Vidney runs Veo 3.1 for you, so there are no API keys to manage and no separate provider account to set up.
