TL;DR: Opennote is a Y Combinator Summer 2025 startup The notebook that thinks with you., currently active with a team of 3.
The notebook that thinks with you.
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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.
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Yes. Opennote was funded by Y Combinator in the Summer 2025 batch. The notebook that thinks with you.
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.
Opennote was part of Y Combinator's Summer 2025 batch.
Opennote has a team of 3 people according to Y Combinator's directory.
Opennote is currently listed as Active with a team of 3 in Y Combinator's directory.
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