Sundial

Agentic analytics for decision-makers, with accuracy and observability for the data team.

Not announced·AI·Analytics·Data

What is Sundial?

Sundial is an AI data analytics platform. Its homepage describes an agentic analyst for decision-makers, with accuracy and observability for data teams. The product cleans and models data, builds a semantic layer in natural language, and answers questions in tools such as Slack.

Named customers include OpenAI, Character, and Gamma. The site says Sundial is SOC 2 Type II certified and can be self-hosted. On October 23, 2026, co-founder Julie Zhuo announced that Meta has acquired Sundial, and that she and co-founder Chandra Narayanan are joining Meta with some other members of the team.

Axios reported that a Meta spokesperson confirmed the acquisition, and that Sundial will stop serving external customers when the deal closes.

Features

Agentic analyst for natural-language questions
Data cleaning, modeling, and a semantic layer
Quality, modeling, analysis, and storytelling agents
Questions from Slack, Teams, and other tools
SOC 2 Type II certified, with a self-hosted option

FAQs

Common questions about Sundial

What is Sundial?

Sundial is an AI data analytics platform. Its homepage describes an agentic analyst for decision-makers, with accuracy and observability for data teams, including data cleaning, a semantic layer, and answers in tools such as Slack.

Who founded Sundial?

Julie Zhuo and Chandra Narayanan co-founded Sundial. Sundial’s about page lists Zhuo as previously VP of Product Design at Facebook and Narayanan as previously Chief Data Scientist at Sequoia Capital.

Has Meta acquired Sundial?

On October 23, 2026, Julie Zhuo announced that Meta has acquired Sundial, and that she and Chandra Narayanan are joining Meta with some other members of the team. Axios reported that a Meta spokesperson confirmed the acquisition, and that Sundial will stop serving external customers when the deal closes. Deal terms were not disclosed.