> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # VideoGenerationRequestAspectRatio Aspect ratio of the generated video ## Example Usage ```typescript theme={null} import { VideoGenerationRequestAspectRatio } from "@openrouter/sdk/models"; let value: VideoGenerationRequestAspectRatio = "16:9"; // Open enum: unrecognized values are captured as Unrecognized ``` ## Values ```typescript theme={null} "16:9" | "9:16" | "1:1" | "4:3" | "3:4" | "3:2" | "2:3" | "21:9" | "9:21" | Unrecognized ```