> ## 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 ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.VideoGenerationRequestAspectRatioOneHundredAndSixtyNine // Open enum: custom values can be created with a direct type cast custom := components.VideoGenerationRequestAspectRatio("custom_value") ``` ## Values | Name | Value | | ---------------------------------------------------------- | ----- | | `VideoGenerationRequestAspectRatioOneHundredAndSixtyNine` | 16:9 | | `VideoGenerationRequestAspectRatioNineHundredAndSixteen` | 9:16 | | `VideoGenerationRequestAspectRatioEleven` | 1:1 | | `VideoGenerationRequestAspectRatioFortyThree` | 4:3 | | `VideoGenerationRequestAspectRatioThirtyFour` | 3:4 | | `VideoGenerationRequestAspectRatioThirtyTwo` | 3:2 | | `VideoGenerationRequestAspectRatioTwentyThree` | 2:3 | | `VideoGenerationRequestAspectRatioTwoHundredAndNineteen` | 21:9 | | `VideoGenerationRequestAspectRatioNineHundredAndTwentyOne` | 9:21 |