funding_articleConfidence: medium
Opennote raises $850,000 USD, secures Y Combinator spot
All-equity SAFE round closed April 2025 led by Afore Capital before YC Summer 2025 batch.
Affected score: noObserved: May 20, 2026Amount: $850,000
O
Opennote
AcquiredFunding signalMarket data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.
Investor read
Evidence-bound summary — expand sections for movement, risks, and signals.
Memo snapshot · May 20, 2026, 6:28 PM
Worth a meetingEvidence-bound analyst verdict
- •Funding: Raised $4.2M across 2 funding rounds. Latest: $3.3M Seed (Nov 2025). Investors: Afore Capital, Sancus Ventures, Script Capital, Untitled Ventures.
- •Named backers in indexed sources: Afore Capital, Sancus Ventures, Script Capital, Untitled Ventures.
- •Hiring: 1 hiring‑related row(s); role‑spam risk if mostly generic boards
- •Product/news: 3 product/news‑styled row(s); headline risk without filings
DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.
TL;DR
Seed (YC)Opennote: The notebook that thinks with you AI notebook product; site notes Reducto acquisition.
Funding
Raised $4.2M across 2 funding rounds. Latest: $3.3M Seed (Nov 2025). Investors: Afore Capital, Sancus Ventures, Script Capital, Untitled Ventures. (High).
Quick read
- •Opennote: The notebook that thinks with you AI notebook product; site notes Reducto acquisition.
- •Reported angle: Opennote raises $850,000 USD, secures Y Combinator spot
Key signals
Funding
Raised $4.2M across 2 funding rounds. Latest: $3.3M Seed (Nov 2025). Investors: Afore Capital, Sancus Ventures, Script Capital, Untitled Ventures. (High).
Hiring
1 hiring‑related row(s); role‑spam risk if mostly generic boards (Low).
Product / news
3 product/news‑styled row(s); headline risk without filings (High).
Evidence summary
Verified facts
- •Opennote: The notebook that thinks with you AI notebook product; site notes Reducto acquisition.
- •Reported angle: Opennote raises $850,000 USD, secures Y Combinator spot
Recent movers
- •May 20, 2026 · betakit.com — Opennote acquired by Reducto
- •May 20, 2026 · betakit.com — Opennote raises $850,000 USD, secures Y Combinator spot
- •May 20, 2026 · opennote.com — Opennote has been acquired by Reducto
+3 more in Recent movement below
- •May 20, 2026 · betakit.com — Opennote acquired by Reducto
- •May 20, 2026 · betakit.com — Opennote raises $850,000 USD, secures Y Combinator spot
- •May 20, 2026 · opennote.com — Opennote has been acquired by Reducto
- •May 11, 2026 · Careers — Opennote: The notebook that thinks with you
- •May 11, 2026 · Blog / news — Opennote: The notebook that thinks with you
- •May 20, 2026 · reducto.ai — Reducto acquires Opennote
- •Afore Capital
- •Sancus Ventures
- •Script Capital
- •Untitled Ventures
Suggested next steps
- ▸Open a founder conversation this month; validate traction claims against the indexed evidence.
- ▸Add to the active watchlist so new signals trigger alerts.
Funding & hiring signals
funding_articleMay 20, 2026Confidence: high
Opennote acquired by Reducto
BetaKit reported an additional $3.3M USD seed round in November 2025 prior to May 2026 acquisition by Reducto.
Affected score: yesObserved: May 20, 2026Round: SeedAmount: $3.3M
raisedseed
funding_articleMay 20, 2026Confidence: high
Opennote has been acquired by Reducto
May 6, 2026 acquisition announcement on company blog.
Affected score: yesObserved: May 20, 2026
fundingraised
Open roles (indexed)
No open roles indexed yet.
Public index
163Activity 84/100Elevated public activity signal
7D+11 (+7.2%)
30D+62 (+61.4%)
High Confidence
The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.
Source health
- public_page:pricingokLast checked Thu, Jul 2, 03:25 PM
- public_page:blogokLast checked Thu, Jul 2, 03:25 PM
- public_page:careersokLast checked Thu, Jul 2, 03:25 PM
- public_page:homeokLast checked Thu, Jul 2, 03:25 PM
- githubokLast checked Mon, Jun 29, 01:48 AM
- public_market_enrichmentokLast checked Mon, May 11, 05:11 AM
- public_page:_careersokLast checked Mon, May 11, 05:11 AM
- public_page:_blogokLast checked Mon, May 11, 05:11 AM
- public_page:_okLast checked Mon, May 11, 05:11 AM
Public source summary
- Total evidence rows
- 15
- Latest evidence
- Thu, Jul 2, 03:25 PM
Source types found
blogcareers_pagefunding_articlegithubofficial_siteotherpressproduct
Strongest / recent news-style rows
- Opennote: The notebook that thinks with you
Pricing · Thu, Jul 2, 03:25 PM · confidence 90%high quality
- Opennote raises $850,000 USD, secures Y Combinator spot
Wed, May 20, 06:28 PM · confidence 88%high quality
- Opennote acquired by Reducto
Wed, May 20, 06:28 PM · confidence 88%high quality
Public signal timeline
Newest first · 15 event(s)
1
Thu, Jul 2, 03:25 PM · product · 90% · publichigh qualityOpennote: The notebook that thinks with you
Source ↗Source: Pricing
Write notes, generate videos, flashcards, and problems, and collaborate.
2
Thu, Jul 2, 03:24 PM · blog · 90% · publichigh qualityOpennote: The notebook that thinks with you
Source ↗Source: Blog
The notebook that thinks with you. Opennote brings together notes, AI, and collaboration in one workspace.
3
Thu, Jul 2, 03:24 PM · careers_page · 90% · publichigh qualityOpennote: The notebook that thinks with you
Source ↗Source: Careers page
The notebook that thinks with you. Opennote brings together notes, AI, and collaboration in one workspace.
4
Thu, Jul 2, 03:24 PM · official_site · 90% · publichigh qualityOpennote: The notebook that thinks with you
Source ↗Source: Homepage
The notebook that thinks with you.
5
Wed, May 20, 06:28 PM · funding_article · 88% · verified_publichigh qualityOpennote raises $850,000 USD, secures Y Combinator spot
Source ↗All-equity SAFE round closed April 2025 led by Afore Capital before YC Summer 2025 batch.
6
Wed, May 20, 06:28 PM · funding_article · 88% · verified_publichigh qualityOpennote acquired by Reducto
Source ↗BetaKit reported an additional $3.3M USD seed round in November 2025 prior to May 2026 acquisition by Reducto.
7
Wed, May 20, 06:28 PM · funding_article · 85% · verified_publichigh qualityOpennote has been acquired by Reducto
Source ↗May 6, 2026 acquisition announcement on company blog.
8
Mon, Jun 29, 01:48 AM · github · 55% · publicmedium quality@opennote-ed/sdk
Source ↗Source: npm_registry
Opennote TypeScript SDK
10
Mon, Jun 29, 01:48 AM · github · 55% · publicmedium qualityopennote-cli
Source ↗Source: npm_registry
One note, unlimited vibes.
12
Mon, Jun 29, 01:48 AM · github · 55% · publicmedium quality@opennote/local-client
Source ↗Source: npm_registry
This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
14
Wed, May 20, 06:28 PM · press · 85% · verified_publicmedium qualityReducto acquires Opennote
Source ↗Acquirer blog post on bringing Opennote team into document intelligence.
15
Official / company site
1 row(s)
The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.
official_site·Thu, Jul 2, 03:24 PM·Confidence 90%high qualitypublic
Opennote: The notebook that thinks with youThe notebook that thinks with you.
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗News
4 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
product·Thu, Jul 2, 03:25 PM·Confidence 90%high qualitypublic
Opennote: The notebook that thinks with youWrite notes, generate videos, flashcards, and problems, and collaborate.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗other·Mon, Jun 29, 01:47 AM·Confidence 50%medium qualitypublic
OpenNotesWhy it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗press·Wed, May 20, 06:28 PM·Confidence 85%medium qualityverified_public
Reducto acquires OpennoteAcquirer blog post on bringing Opennote team into document intelligence.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗other·Mon, Jun 29, 01:47 AM·Confidence 50%low qualitypublic
Open-notebook scienceWhy it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗Funding / news
3 row(s)
Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.
funding_article·Wed, May 20, 06:28 PM·Confidence 88%high qualityverified_public
Opennote raises $850,000 USD, secures Y Combinator spotAll-equity SAFE round closed April 2025 led by Afore Capital before YC Summer 2025 batch.
Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.
Open source ↗funding_article·Wed, May 20, 06:28 PM·Confidence 88%high qualityverified_public
Opennote acquired by ReductoBetaKit reported an additional $3.3M USD seed round in November 2025 prior to May 2026 acquisition by Reducto.
Why it matters: Funding signal — Seed per this source; verify against the linked original before relying on it.
Open source ↗funding_article·Wed, May 20, 06:28 PM·Confidence 85%high qualityverified_public
Opennote has been acquired by ReductoMay 6, 2026 acquisition announcement on company blog.
Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.
Open source ↗Hiring
1 row(s)
Open roles and careers pages. Active hiring implies runway to spend and shows where the company is investing (engineering vs GTM vs ops).
careers_page·Thu, Jul 2, 03:24 PM·Confidence 90%high qualitypublic
Opennote: The notebook that thinks with youThe notebook that thinks with you. Opennote brings together notes, AI, and collaboration in one workspace.
Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.
Open source ↗GitHub
5 row(s)
Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.
github·Mon, Jun 29, 01:48 AM·Confidence 55%medium qualitypublic
@opennote-ed/sdkOpennote TypeScript SDK
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗github·Mon, Jun 29, 01:48 AM·Confidence 55%medium qualitypublic
@opennote/local-apiWhy it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗github·Mon, Jun 29, 01:48 AM·Confidence 55%medium qualitypublic
opennote-cliOne note, unlimited vibes.
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗github·Mon, Jun 29, 01:48 AM·Confidence 55%medium qualitypublic
opennoteWhy it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗github·Mon, Jun 29, 01:48 AM·Confidence 55%medium qualitypublic
@opennote/local-clientThis project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Blog
1 row(s)
Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.
blog·Thu, Jul 2, 03:24 PM·Confidence 90%high qualitypublic
Opennote: The notebook that thinks with youThe notebook that thinks with you. Opennote brings together notes, AI, and collaboration in one workspace.
Why it matters: Company publishing — post cadence and depth hint at product velocity.
Open source ↗Private workspace
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