Your private intelligence.
Arca starts its local brain automatically. Attach documents and speak directly from Chat.
Connections
Arca Core can switch model providers without changing the rest of Arca.
Runs an open-source model directly in this browser.
CheckingOpenAI-compatible local endpoint for installed QVAC.
OptionalOptional fallback provider for harder tasks.
Not configuredLocal parsing, chunking and retrieval.
ReadyDiagnostics and approved actions through Core tools.
NextHealth, logs and diagnostics through Core tools.
NextSettings
Brain, model routing and optional fallback settings live here. The Browser Brain auto-starts when Arca opens.
Local Brain
Runs on this device with WebGPU. Model cache: IndexedDB.
Local model
Core routing
Fallback engines
QVAC/local endpoint
QVAC model alias
Cloud API base URL
Cloud model
Cloud API key (session only)
Document context characters
Memory turns