Meridian AI: $17M seed, $100M valuation, investors and BlueFin research

Meridian came out of stealth on February 11, 2026 with a $17 million seed round and a reported $100 million post-money valuation. The New York startup builds an AI assistant for serious financial-modeling work—not just a chatbot that can read a spreadsheet.

The funding, at a glance

The $100 million valuation is tied to the February financing, not a live appraisal of the company's equity. No subsequent financing round could be verified in this October 2026 review. Meridian operates as Longitude Labs Inc. Its product website is meridian.ai.

Why Meridian raised money

Financial models are harder to automate than simple spreadsheet tasks. An investment-bank or private-equity analyst may inherit dozens of tabs, formulas linked across sheets, complex assumptions and supporting filings. A model that produces the right headline value once can still be dangerously wrong when assumptions change.

Meridian's stated approach combines an AI agent with a finance-specific workspace. It aims to build and modify models while making inputs and dependencies easier to review. The current product site demonstrates discounted cash-flow models, financial statements, spreadsheet explanations, formula tracing and version comparisons. It also describes using Excel together with PDFs, CSVs and data-room documents.

These are company-described capabilities, not independent proof that every spreadsheet will be generated correctly. That distinction matters for finance teams handling confidential or decision-critical numbers.

Customers and commercial traction

At launch, TechCrunch reported that Meridian was working with teams at Decagon and OffDeal and that it had signed $5 million in customer contracts in December 2025 alone. That number describes signed contract value; it is not necessarily annual recurring revenue, recognized revenue or cash collected. The company's homepage also includes a Decagon finance-team testimonial. Public pricing, profitability and a current audited customer count were not established in this review.

June 2026: Meridian publishes BlueFin

Meridian introduced BlueFin on June 26, 2026, a benchmark focused on how AI agents work with real financial models.

The research includes 131 expert-authored tasks and 3,225 grading criteria across model creation, modification and reasoning. The company reported that the strongest single frontier model exceeded an 80% weighted-rubric threshold in only 16% of 75 held-out manipulation tasks.

The practical lesson is that a workbook can look convincing while its formulas or cross-sheet logic break after a scenario changes. BlueFin is valuable research into the limits of AI-powered financial modeling. But it is not an independent benchmark of Meridian's own commercial product, and publication of the study was not another investment round.

Where Meridian competes

Shortcut AI competes in AI-powered spreadsheet work. Microsoft Copilot for Excel and Claude for Excel offer other approaches to asking questions or editing spreadsheets. Endex also targets finance workflows. Daloopa emphasizes sourced financial data, while Hebbia is primarily relevant to investment research and documents. These offerings overlap, but are not feature-for-feature replacements.

A useful comparison is to give each solution a real model and ask it to: update assumptions; preserve cross-tab formulas; show where each number originated; highlight changes; and produce an auditable final workbook. Security controls, current product access and pricing should also be checked directly.

What to watch next

For Meridian, the key milestones are enterprise deployment, independently demonstrable accuracy, retention of paying finance teams, and repeatable commercial revenue. The $17 million round provides an early funding benchmark, but the disclosed contract figure cannot by itself establish growth, margins or business quality.

The company was founded by John Ling, George Fang and Zach Kirshner. As of this October 27, 2026 verification, the February seed is the only financing round confirmed here.