Breaking

Anthropic Adds Claude to Apple's Foundation Models Framework, Callable Directly in Swift

June 10, 2026 at 13:11 EDT

Foundation Models
Software Dev & Coding
AI Agents

On June 10, Anthropic released a Swift package that lets developers call Claude through Apple's Foundation Models framework, enabling iOS/macOS app builders to use the framework's standard API for multi-step reasoning, code generation, and longer-context processing. Claude can be handled within the same structure as Apple's own on-device and Private Cloud Compute models, with support spanning iOS 27, iPadOS 27, macOS 27, and visionOS 27. Details are described on Anthropic's official blog.

June 10, 2026 · Anthropic

Claude Drops Into Apple's Native Swift API

A new Swift package lets developers call Claude through Apple's Foundation Models framework — switching from the on-device model to Claude without changing their existing code.

unified Swift API for all model targets

model providers — Apple, Claude & Gemini

0.1.0

package version; framework to be open-sourced

Same code, two destinations

One LanguageModelSession, your choice of model

~3B

On-device model

private · offline · free on PCC

→

Claude

Cloud model

long context · high performance · per-token fees

Streaming, guided generation & tool calling work the same — only the call target changes.

Requirements & cost

Platforms

iOS 26+, macOS, iPadOS, visionOS · Xcode 26

Apple model

Free for Small Business Program apps via Private Cloud Compute

Claude

Anthropic API fees (per token) apply separately

Welcomed

Claude and Gemini callable from SwiftUI through the same API — structured output streams straight into views.

Measured

Handy for testing in-app prompts, but not groundbreaking for those already managing their own API keys. Large-scale evaluations remain scarce.

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