Cinematic Adherence
Precisely follows film industry prompts, including complex camera movements like dolly zooms and specific lighting styles.
veo3-fast / reference-to-video
Veo 3 Fast video is Google DeepMind's speed-optimized model for cinematic text-to-video generation. It features native audio synthesis, 10-second outputs, and enhanced temporal consistency, delivering high-fidelity results in under a minute.
$ 0.48
$ 1.2
image
video
API
Reference To Video
curl --request POST "https://gptproto.com/api/v3/google/veo3-fast/reference-to-video" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"prompt": "A young woman walks alone under a transparent umbrella in a quiet alley during light rain, soft city lights reflecting on the wet pavement. Her pace is calm and thoughtful. The camera follows slowly behind her, occasional droplets hitting the lens. Subtle piano music plays, evoking a melancholic but peaceful mood. Dreamy, cinematic, slightly slow motion.",
"images": [
"https://oss.gptproto.com/2025/11/12/d5c2f08479b9452aacbcf9963631ce21.jpeg"
],
"aspect_ratio": "16:9",
"enhance_prompt": true
}'Query Result
curl --request POST "https://gptproto.com/api/v3/predictions/{{id}}/result" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json"Veo 3 Fast Video Features
Core technical advantages of the Veo 3 Fast model for high-performance video generation.
Temporal Consistency
Maintains character and object stability across 10-second clips, preventing the morphing common in older video models.
Reference Image Input
Use up to 3 reference images to guide the visual output, ensuring consistent branding and character design in every clip.
Audiovisual Synthesis
Generates synchronized dialogue and sound effects natively within the video inference process for perfect timing.
How to Get a veo3-fast API Key
Getting a veo3-fast API key takes four steps and a few minutes. Create a free GPTProto account, add credits, generate your key, and make your first call — at $0.48 it's a cheaper veo3-fast API key than going direct, and one key works across every model on the platform. Full veo3-fast Documentation is in the docs.
Sign up
Create your free GPT Proto account to begin. You can set up an organization for your team at any time.
Top up
Your balance can be used across all models on the platform, including veo3-fast, giving you the flexibility to experiment and scale as needed.
Generate your API key
In your dashboard, create an API key — you'll need it to authenticate when making requests to veo3-fast.
Make your first API call
Use your API key with our sample code to send a request to veo3-fast via GPT Proto and see instant AI-powered results.
Veo 3 Fast Video FAQ
Common technical questions about the Veo 3 Fast video model and its generation capabilities.
How fast does the Veo 3 video model generate clips?
The Veo 3 Fast variant is optimized for rapid iteration. It typically produces an 8-second video clip in 45 to 60 seconds. This represents a 50% speed increase over the standard version, making it ideal for high-volume content pipelines and social media marketing where turnaround time is critical.
Does Veo 3 Fast video support native audio?
Yes. Unlike many competitors that require a separate audio model, Veo 3 generates natively synchronized sound effects, ambient music, and dialogue during the initial video generation. This ensures that footsteps, glass breaking, or cinematic scores perfectly align with the on-screen action in a single step.
What is the max duration for a Veo 3 video?
The model currently supports video outputs up to 10 seconds in length, with a standard generation typically lasting 8 seconds. For longer narratives, developers often use scene stitching techniques, as temporal coherence is specifically optimized to remain stable throughout this 10-second window.
Can I use reference images with Veo 3 Fast?
Veo 3 supports 'Ingredients to Video,' allowing you to provide up to 3 reference images as input. This feature is crucial for maintaining character consistency, environment details, or specific artistic styles across multiple generated clips, providing much tighter control than text-only prompts.
What resolutions does the Veo 3 video API support?
The API supports both 720p and 1080p resolutions at frame rates of 24 FPS or 30 FPS. While 720p is the default for maximum speed, the 1080p premium mode provides higher visual fidelity for professional use cases like film storyboarding and high-end advertising demos.
Does Veo 3 Fast include safety watermarking?
Yes. Every video generated by Veo 3 Fast includes integrated SynthID watermarking. This technology embeds an invisible, robust watermark that identifies the content as AI-generated, ensuring compliance with global safety standards and enterprise provenance requirements.
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