Company Intelligence

Opennote

Opennote is a notebook with an AI thinking partner built in. Feynman lives in your work: it edits your writing, references your knowledge and the web, runs background tasks, and gives feedback as you work.

In this profile

Quick Facts

  • Founded 2025
  • Headquarters San Francisco, United States
  • Country United States
  • Industry AI in Marketing
  • Company Type Early
  • Status Active
  • Website Official site
  • Last Reviewed Aug 2026

Executive Summary

Opennote is a notebook with an AI thinking partner built in.

Feynman lives in your work: it edits your writing, references your knowledge and the web, runs background tasks, and gives feedback as you work.

Why It Matters

The notebook that thinks with you.

Recent Developments

  1. 2025 Company founded

    Opennote was founded in 2025 per the company profile source on file.

    Source

Connected Reports

Connected Insights

Industries

Opennote is a notebook with an AI thinking partner built in.

Feynman lives in your work: it edits your writing, references your knowledge and the web, runs background tasks, and gives feedback as you work.

Company information is based on publicly available sources and is reviewed periodically. If you represent this company and would like to request a correction, contact Brel.

Explore Related Intelligence

The AI Brief

Weekly company intelligence in your inbox.

Subscribe