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Arcten

SeedFunding signal
arcten.comB2BSan Francisco, CA, USA
Market index

Market 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 Information may be incomplete or outdated — verify independently before making decisions.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, 5:58 PM

Worth a meetingEvidence-bound analyst verdict
  • •Funding: Latest: Seed. Investors: Y Combinator.
  • •Named backers in indexed sources: Y Combinator.
  • •Engineering: 1 GitHub‑linked row(s)
  • •Product/news: 1 product/news‑styled row(s); headline risk without filings

What would change this read

  • →Open roles appearing would signal burn capacity and growth intent.

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 Research may be incomplete, outdated, or incorrect.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)

Arcten | Long-horizon autonomous research and coding agents Official agent platform site.

Funding

Latest: Seed. Investors: Y Combinator. (High).

Quick read

  • •Arcten | Long-horizon autonomous research and coding agents Official agent platform site.
  • •Reported angle: Launch YC: Arcten

Key signals

Funding

Latest: Seed. Investors: Y Combinator. (High).

GitHub

1 GitHub‑linked row(s) (Low).

Product / news

1 product/news‑styled row(s); headline risk without filings (High).

Evidence summary

Verified facts

  • •Arcten | Long-horizon autonomous research and coding agents Official agent platform site.
  • •Reported angle: Launch YC: Arcten

Recent movers

  • •May 20, 2026 · ycombinator.com — Arcten | Y Combinator
  • •May 11, 2026 · GitHub (linked from site) — Arcten · GitHub
  • •May 20, 2026 · ycombinator.com — Launch YC: Arcten
  • •May 20, 2026 · ycombinator.com — Arcten | Y Combinator
  • •May 11, 2026 · GitHub (linked from site) — Arcten · GitHub
  • •May 20, 2026 · ycombinator.com — Launch YC: Arcten
  • •Y Combinator

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_articleConfidence: low

Arcten | Y Combinator

Fall 2025 batch; production runtime and SDK for shipping long-horizon AI agents.

Affected score: noObserved: May 20, 2026

Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.

Open roles (indexed)

No open roles indexed yet.

Public index
89Activity 92/100Strong public activity signal
7D+23 (+34.8%)
30D+23 (+34.8%)
Needs Review

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

  • githubok
    Last checked Sun, Jun 28, 07:12 PM
  • public_page:homeok
    Last checked Sun, Jun 28, 07:11 PM
  • public_market_enrichmentok
    Last checked Mon, May 11, 04:23 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:23 AM

Signal timeline

8 dated public signals · newest on the right

Funding
Code
Press
Company
Other
May 9, 2026Jun 4, 2026Jun 30, 2026
Funding (1)Code (2)Press (1)Company (1)Other (3)

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
8
Latest evidence
Sun, Jun 28, 07:12 PM

Source types found

company_sitefunding_articlegithubofficial_siteotherpress

Strongest / recent news-style rows

  • Arcten | Y Combinator

    Wed, May 20, 05:58 PM · confidence 88%high quality

  • Arctenus

    wikipedia · Sun, Jun 28, 07:11 PM · confidence 50%medium quality

  • Launch YC: Arcten

    Wed, May 20, 05:58 PM · confidence 85%medium quality

Public signal timeline

Newest first · 8 event(s)

1
Sun, Jun 28, 07:11 PM · official_site · 75% · publichigh qualityOfficial site

Source: official_site

Arcten | Long-horizon autonomous research and coding agents Arcten x ↗ git ↗ Long-horizon autonomous research and coding agents. Backed by Y Combinator ↗ . Roots in AI research at Caltech. kkkkkkkkkkkkkkkxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxkkkkkkkkkkkkkkkkkk…

Source ↗
2
Wed, May 20, 05:58 PM · company_site · 85% · verified_publichigh qualityArcten | Long-horizon autonomous research and coding agents

Official agent platform site.

Source ↗
3
Wed, May 20, 05:58 PM · funding_article · 88% · verified_publichigh qualityArcten | Y Combinator

Fall 2025 batch; production runtime and SDK for shipping long-horizon AI agents.

Source ↗
4
Mon, May 11, 04:23 AM · github · 72% · verified_publichigh qualityArcten · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Arcten.

Source ↗
5
Sun, Jun 28, 07:12 PM · github · 55% · publicmedium quality@arcteninc/rag

Source: npm_registry

Simple SDK for semantic documentation search using Arcten RAG

Source ↗
6
Sun, Jun 28, 07:11 PM · other · 50% · publicmedium qualityArctenus

Source: wikipedia

Source ↗
7
Wed, May 20, 05:58 PM · press · 85% · verified_publicmedium qualityLaunch YC: Arcten

YC launch on agent production runtime.

Source ↗
8
Sun, Jun 28, 07:11 PM · other · 50% · publiclow qualityArctic Ocean

Source: wikipedia

Source ↗

Official / company site

2 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·Sun, Jun 28, 07:11 PM·Confidence 75%high qualitypublic
Official site

Arcten | Long-horizon autonomous research and coding agents Arcten x ↗ git ↗ Long-horizon autonomous research and coding agents. Backed by Y Combinator ↗ . Roots in AI research at Caltech. kkkkkkkkkkkkkkkxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxkkkkkkkkkkkkkkkkkk…

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 ↗
company_site·Wed, May 20, 05:58 PM·Confidence 85%high qualityverified_public
Arcten | Long-horizon autonomous research and coding agents

Official agent platform site.

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

3 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

other·Sun, Jun 28, 07:11 PM·Confidence 50%medium qualitypublic
Arctenus

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
press·Wed, May 20, 05:58 PM·Confidence 85%medium qualityverified_public
Launch YC: Arcten

YC launch on agent production runtime.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Sun, Jun 28, 07:11 PM·Confidence 50%low qualitypublic
Arctic Ocean

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

1 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, 05:58 PM·Confidence 88%high qualityverified_public
Arcten | Y Combinator

Fall 2025 batch; production runtime and SDK for shipping long-horizon AI agents.

Why it matters: Funding signal — Seed per this source; verify against the linked original before relying on it.

Open source ↗

GitHub

2 row(s)

Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.

github·Mon, May 11, 04:23 AM·Confidence 72%high qualityverified_public
Arcten · GitHub

GitHub presence linked from official site for Arcten.

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗
github·Sun, Jun 28, 07:12 PM·Confidence 55%medium qualitypublic
@arcteninc/rag

Simple SDK for semantic documentation search using Arcten RAG

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗

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