CustomGPT.ai

Broad professional coverage with strong spreadsheet and chart handling. Good default for analysis you would otherwise do by hand.

The general option most used for professional work — strategy memos, contract reading, financial reasoning over documents you upload.

Sits inside Word, Excel, Outlook and Teams, so it works on the documents and meetings a company already has. The closest thing to AI that needs no change of habit.

Contact data, sequences and call recording in one place, so research and outreach do not live in separate tools.

A plain REST API over SEC EDGAR — company records, stock prices, financial statements, insider trades and filings across more than ten thousand listed companies, with a free key and a hundred requests a minute.

A spreadsheet where each row can call data providers and models, which makes research that used to take a week into an afternoon.