> ## 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. # Quantization ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.QuantizationInt4 // Open enum: custom values can be created with a direct type cast custom := components.Quantization("custom_value") ``` ## Values | Name | Value | | --------------------- | ------- | | `QuantizationInt4` | int4 | | `QuantizationInt8` | int8 | | `QuantizationFp4` | fp4 | | `QuantizationMxfp4` | mxfp4 | | `QuantizationNvfp4` | nvfp4 | | `QuantizationFp6` | fp6 | | `QuantizationFp8` | fp8 | | `QuantizationMxfp8` | mxfp8 | | `QuantizationFp16` | fp16 | | `QuantizationBf16` | bf16 | | `QuantizationFp32` | fp32 | | `QuantizationUnknown` | unknown |