Google Veo 3.1 Video

Generate production-grade video with synchronized audio through Frevana's OpenRouter video endpoint using google/veo-3.1.

Model Characteristics

Model ID: google/veo-3.1 (variants: google/veo-3.1-fast, google/veo-3.1-lite)
Resolutions: 720p (default), 1080p, and 4K; the Lite variant supports only 720p and 1080p
Aspect Ratios: 16:9 (default), 9:16
Durations: 4, 6, 8 seconds (default: 6)
Frame Control: Supports both first_frame and last_frame (image-to-video)
Input References: Reference images (image_url); audio and video references are unsupported
Audio: Native synchronized audio generation supported (default: enabled)
Seed: Deterministic integer seed supported
Passthrough Controls: negativePrompt, personGeneration