runanywhere-sdks is production ready toolkit to run AI locally. Every SDK is a thin binding over runanywhere-commons, a single C++ core behind a pure C ABI. Engines plug into a capability registry and declare, per modality, what they can run. At inference time the highest-priority engine that serves the modality on the current device wins. Same code, different silicon, no branching in your app.

\ Web RAG may be limited to one session per process — check capabilities().rag.multiSession. Stub / Gated / Partial mean the verb is absent, preflight-fails, or only partially wired; call capabilities() for the installed build.