<!--
{
  "availability" : [
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "visionOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "FoundationModels",
  "identifier" : "/documentation/FoundationModels/SystemLanguageModel/Variant-swift.struct",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Foundation Models",
      "FoundationModels"
    ],
    "preciseIdentifier" : "s:16FoundationModels19SystemLanguageModelC7VariantV"
  },
  "title" : "SystemLanguageModel.Variant"
}
-->

# SystemLanguageModel.Variant

The variant of an on-device model.

```
struct Variant
```

## Topics

### Accessing the core and advanced model variants

[`static var core3: SystemLanguageModel.Variant`](/documentation/FoundationModels/SystemLanguageModel/Variant-swift.struct/core3)

AFM 3 Core.

[`static var coreAdvanced3: SystemLanguageModel.Variant`](/documentation/FoundationModels/SystemLanguageModel/Variant-swift.struct/coreAdvanced3)

AFM 3 Core Advanced.

### Getting the model display name

[`let displayName: String`](/documentation/FoundationModels/SystemLanguageModel/Variant-swift.struct/displayName)

The user-facing name of the variant.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)