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Google: Veo 3.1 Fast

google/veo-3.1-fast

Released Apr 24, 2026from $0.10 per second

Google's mid-tier video generation model balancing speed and quality. Veo 3.1 Fast generates high-quality video from text or image prompts with native synchronized audio, offering faster turnaround than Veo 3.1 at lower cost. Supports first-frame and last-frame conditioning, multiple resolutions and aspect ratios, and SynthID watermarking.

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Sample code and API for Veo 3.1 Fast

OpenRouter normalizes requests and responses across providers for you.

OpenRouter supports video generation models that can create videos from text prompts. Submit a generation request with your prompt and model, then poll the returned URL to check the status. Once complete, the response includes URLs to download the generated video. Learn more about video generation.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.