Google Veo 3.1
Google DeepMind's flagship AI video model — cinematic 4K with native synchronized audio
Google Veo 3.1 is Google DeepMind's most advanced AI video generation model — and one of the few that generates fully synchronized audio in the same pass as the video. Dialogue, sound effects, and ambient soundscapes are baked directly into the generation, with lip-sync accurate to within 120 milliseconds. It produces true 4K video, native vertical formats for social platforms, and cinematic realism. On Keyo Studio, Veo 3.1 brings production-grade video generation with sound built in from the start.
What is Google Veo 3.1?
Veo 3.1 is Google DeepMind's flagship text-to-video and image-to-video model, released in October 2025 with a 4K resolution upgrade in January 2026. It generates high-fidelity clips from a text prompt or a reference image, and stands out for one defining capability: native audio. Where most models produce silent video that needs a separate soundtrack, Veo 3.1 generates video and synchronized 48kHz audio together in a single model pass — dialogue, effects, and ambient sound all aligned to the action on screen.
Native synchronized audio
Veo 3.1 doesn't add sound as an afterthought. It uses a joint diffusion process to generate both video and audio together, so dialogue matches lip movements with under 120ms accuracy, sound effects sync to on-screen actions, and ambient sound responds to the visual environment. This makes it uniquely suited for talking-character content, product reveals with realistic sound, and any video where audio and visuals need to feel like one take — no post-production audio work required.
True 4K and vertical video
Veo 3.1 supports 720p, 1080p, and true 4K output (3840×2160), with 4K produced through genuine detail reconstruction rather than simple upscaling — rebuilding real texture in fabric, skin, and foliage. It also natively generates vertical 9:16 video, making it ideal for TikTok, YouTube Shorts, and Instagram Reels, alongside standard 16:9 landscape for traditional formats.
Character consistency and scene extension
Veo 3.1 maintains character and scene consistency across generations, and supports reference images to guide the look of your video ("Ingredients to Video"). Its Scene Extension feature lets you chain segments together — each clip continuing seamlessly from the last — so you can build videos over two minutes long while keeping visual coherence, overcoming the short-clip limitation of most AI video models.
Best use cases
Veo 3.1 is the strongest choice when audio and cinematic quality matter: talking-character and dialogue scenes, product reveals and ads with synchronized sound, cinematic storytelling and short films, social content for Shorts and Reels in native vertical format, and high-end marketing campaigns that need true 4K. When you need video that sounds as good as it looks, Veo 3.1 leads the field.
Pricing on Keyo Studio
On Keyo Studio, Google Veo 3.1 is priced per second of generated video: 8 credits per second. For faster, more affordable generation, Google Veo 3.1 Fast is available as a lighter alternative.
Frequently asked questions
What is Google Veo 3.1?
Google Veo 3.1 is Google DeepMind's flagship AI video model, generating high-fidelity video from text or images with native synchronized audio in a single pass. It supports resolutions from 720p up to 4K and both 16:9 and vertical 9:16 aspect ratios.
Does Google Veo 3.1 generate audio?
Yes. Veo 3.1 generates synchronized high-fidelity audio alongside the video, including dialogue, ambient soundscapes, and sound effects, with no separate audio production or post-sync required.
How much does Google Veo 3.1 cost on Keyo Studio?
Google Veo 3.1 is priced at 8 credits per second of generated video. For faster, more affordable generation, Google Veo 3.1 Fast is available as a lighter alternative.
What's the difference between Veo 3.1 and Veo 3.1 Fast?
Veo 3.1 is the full-quality model built for maximum visual fidelity on final production clips, while Veo 3.1 Fast delivers faster, cheaper generation for high-volume and iterative work. On Keyo Studio, Veo 3.1 costs 8 credits per second and Veo 3.1 Fast costs 3 credits per second.
What can I use Google Veo 3.1 for?
Veo 3.1 excels at cinematic, dialogue-driven scenes, sound-led moments, and realistic footage where visual fidelity is the priority — hero clips, commercials, and high-end marketing where the result has to read as real footage.
What resolution does Google Veo 3.1 support?
Veo 3.1 supports resolutions from 720p up to native 4K, with 16:9 and vertical 9:16 aspect ratios for social formats like Shorts and Reels.