AI Office Assistant
built for Fact Preservation & Deep Research.
Engineered with a zero-hallucination philosophy: 25MB document intelligence, multi-thread chat workspace, and 5-step Deep Research backed by an Evidence Ledger.
25MB Document & Spreadsheet Intelligence
Upload extensive PDF reports, DOCX files, and complex Excel workbooks. WISA indexes and interprets dense tabular structures without context truncation.
Verifiable 5-Step Deep Research
Move beyond superficial search. WISA scans dozens of trusted web sources, performs cross-evidence verification, and compiles verified points in an Evidence Ledger.
Transparent Reasoning & Execution Traces
Control reasoning effort from Minimal to Max. The Reasoning Card reveals the internal thought hierarchy before conclusions are presented.
Enterprise Privacy & PWA Accessibility
Install directly on macOS, Windows, iOS, and Android. Your documents and conversation history are strictly isolated and never used to train public models.
Frequently Asked Questions about WISA.
What is WISA and where can I access it?
WISA is an AI office companion within the WinSell ecosystem. You can access it directly via browser at studio.winsell.vn, or install it as a Progressive Web App (PWA) on Windows, macOS, Android, and iOS.
What file types and sizes does WISA support?
WISA processes PDF, DOCX, and TXT files up to 25MB per file with automatic text extraction, Excel spreadsheets with complex multi-layer formulas, and an image library up to 10MB per image powered by Computer Vision.
How does WISA Deep Research guarantee factual accuracy?
WISA executes a 5-step research cycle: Intent Locking, Broad Retrieval, Source Matching, Evidence Verification, and Synthesis. All verified facts are cataloged in an interactive Evidence Ledger with direct source citations.
Does WISA hallucinate or fabricate facts?
WISA operates under a strict Fact Preservation directive. When source documents are incomplete or data is ambiguous, WISA asks clarifying questions rather than speculating or hallucinating numbers.
Start working smarter with WISA.
Experience the intelligent AI office assistant on WinSell Studio with 10 free CUBE credits monthly.