AI BriefingApple Foundation Models
Key point
A Swift package has been released that allows Anthropic's Claude models to be used within Apple's Foundation Models framework.
Details
Anthropic has unveiled Claude for Foundation Models, a new Swift package that supports Apple's Foundation Models framework. This package allows developers to call Claude models as server-side language models through the same LanguageModelSession API used for Apple's on-device models.
The key features are as follows:
- Unified API: It uses Apple's existing framework interfaces as-is, including
respond(to:), streaming, guided generation, and tool calling. - Flexible model selection: App developers can select and use either Apple's on-device models or Claude models on a per-session basis.
- Privacy protection: All requests are sent directly to the Claude API without passing through Apple, protecting privacy.
- Cost and requirements: Usage follows Anthropic's API pricing, and it requires the latest beta versions of the OS, such as iOS 27, macOS 27, along with Xcode 27.
Rather than being a simple Messages API client, this package was designed with a focus on its role as a Foundation Models provider.
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