You ever watch a finance pro wrestle Excel like it’s a 200-tab monster, buried under nested IFs, VLOOKUPs that cry for help, and models held together with spit, tape, and prayer? Now imagine that same spreadsheet has a brain, and not the kind that freezes when you hit Ctrl+Z too fast. We’re talking about Endex.ai, a startup that just walked out of stealth and into a $14M seed round led by the OpenAI Startup Fund, with the confidence of a heavyweight walking into a title fight.
Founded in 2022 by Tarun Amasa (CEO), Kevin Yang (Co-founder), and Pratham Soni (Co-founder and Head of Research), Endex.ai skipped the usual demo-day theater. They spent their first year behind the scenes, working shoulder-to-shoulder with top financial institutions to fine-tune an Excel-native AI agent that doesn’t just sit there and suggest things, it understands. It analyzes. It reasons through multi-step financial logic with citations, context, and a hell of a lot more patience than your average junior analyst on a Sunday night.
Let’s be real: Excel isn’t going anywhere. It’s the one constant in finance that never needed rebranding. But the way we use it? That’s what Endex.ai is rewriting, by embedding autonomous AI directly inside the spreadsheet. No tabs to toggle, no data to migrate, no interfaces to learn. Just your model, your formulas, and a sidebar that knows EBITDA from EBITDAC, and knows where the data came from.
Their product is already live on both Windows and Mac Excel clients, backed by integrations with CapIQ, VisibleAlpha, FactSet, SEC filings, and even user-uploaded docs. We’re talking end-to-end financial analysis with source attribution, AES256 encryption, SOC2 compliance, and a tech stack powered by OpenAI’s o-series reasoning models. This isn’t AI for AI’s sake, it’s precision, at scale.
And the funding? That $14M isn’t a flex, it’s fuel. Endex.ai is ramping up product development, deepening integrations, scaling the infrastructure, and bringing in fresh blood across engineering, customer success, and sales. Targeting investment banks, asset managers, and corporate finance teams who live and breathe in spreadsheets, and who are sick of wasting hours chasing cell references through a model built in 2013.
So yeah, the game’s changed, but not because someone said it did. Because Tarun Amasa, Kevin Yang, and Pratham Soni built something smart enough to understand the language of Excel, finance, and the humans behind both.
Welcome to Endex.ai. The next move in financial modeling just happened inside the cell.


