# Apple’s Local AI Strategy: Native Stack Flowchart

> Published on ADIN (https://adin.chat/s/apple-local-ai-native-stack-wwdc26-vx32)
> Type: Diagram
> Date: 2026-07-14
> Description: Explore Apple’s full native AI stack and user interface layers in this interactive WWDC26 visualization.

Mermaid diagram:
graph TD
    USER["👤 User"]

    subgraph UI["LAYER 6 — User Interface"]
        SIRI["Siri\nNatural Language"]
        SPOT["Spotlight\nSearch"]
        SHORT["Shortcuts +\nAction Button"]
    end

    subgraph INTEL["LAYER 5 — Apple Intelligence"]
        SEMIDX["Semantic Index\nEntity Knowledge Store"]
        APPINT["App Intents Framework\nEntities + Schemas + Intents"]
        ANNOT["Entity Annotations\nOn-Screen Awareness"]
        DONATE["Interaction Donations\nBehavior Learning"]
    end

    subgraph MODELS["LAYER 4 — Model Layer"]
        ONDEV["Apple Foundation Model\nOn-Device\nFast · Private · Offline"]
        PCC["Apple Foundation Model\nPrivate Cloud Compute\nDeeper Reasoning · No Data Stored"]
        CLAUDE["Claude\nAnthropic Swift Package"]
        GEMINI["Gemini\nGoogle Swift Package"]
        CUSTOM["Custom Models\nCore AI or MLX\nYour Domain-Trained Models"]
    end

    subgraph FM["LAYER 3B — Foundation Models Framework"]
        FMAPI["Unified Swift API\nLanguageModel Protocol"]
        GUIDED["Guided Generation\nStructured Output via Swift Structs"]
        TOOLCALL["Tool Calling\nReal-time Data Access"]
        DYNPROF["Dynamic Profile API\nMulti-Session Shared Context"]
        EVALFW["Evaluations Framework\nQuality Testing · Hill-Climbing"]
    end

    subgraph COREAI["LAYER 3A — Core AI Framework"]
        CAI["Core AI Runtime\nC/GPU/Neural Engine"]
        PYTOOLS["Python Conversion Tools\nPyTorch → Core AI Asset"]
        PRECOMP["Pre-compiled Assets\nFast Load for Large Models"]
        DEBUGR["Core AI Debugger\nGraph Visualization + Tensor Inspection"]
    end

    subgraph MLX["LAYER 3C — MLX #40;Open Source#41;"]
        MLXCORE["Numerical Computing\nLinear Algebra + Vectorized Ops"]
        AUTODIFF["Automatic Differentiation\nGradient Computation"]
        DISTRIB["Distributed Computing\nThunderbolt 5 RDMA Clusters"]
        MLXLM["MLX LM\n10k+ HuggingFace Models"]
    end

    subgraph OS["LAYER 2 — Operating System #40;macOS