Sylvian

Pre-Seed

www.ycombinator.com/companies/sylvianB2BSan Francisco, CA, USA

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 Information may be incomplete or outdated — verify independently before making decisions.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.

Beta

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 Research may be incomplete, outdated, or incorrect.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.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:28 PM

Beta

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 Research may be incomplete, outdated, or incorrect.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.

What they do

Launch YC: Sylvian

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).

Quick read

•Launch YC: Sylvian
•Reported angle: Launch YC: Sylvian
•Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 1 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

•Launch YC: Sylvian
•Reported angle: Launch YC: Sylvian
•Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 1 product/news‑style — scoring reflects corpus coverage only.

Recent movers

•May 20, 2026 · ycombinator.com — Sylvian | Y Combinator
•May 20, 2026 · ycombinator.com — Launch YC: Sylvian

•May 20, 2026 · ycombinator.com — Sylvian | Y Combinator
•May 20, 2026 · ycombinator.com — Launch YC: Sylvian

•Y Combinator

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).

Hiring

No hiring/careers evidence indexed (Low).

GitHub

No GitHub‑linked evidence indexed (Low).

Product / news

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

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

funding_articleMay 20, 2026Confidence: high

Sylvian | Y Combinator

YC F25; specialized AI agents gathering expert tool-use data for LLMs via competitions.

Affected score: yesObserved: May 20, 2026Round: Pre-Seed

raisedpre-seed

Open roles (indexed)

No open roles indexed yet.

Failed or blocked links

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DealFlow growth score

29.0Limited recent public signal

7D+0%

30D+0%

Needs Review

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

DealFlow score momentum

297D +030D +0

100500

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

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

Public source summary

Total evidence rows: 3
Latest evidence: Wed, May 20, 06:28 PM

Source types found

funding_articlepress

Strongest / recent news-style rows

Sylvian | Y Combinator
Wed, May 20, 06:28 PM · confidence 88%high quality
https://www.ycombinator.com/companies/sylvian
Launch YC: Sylvian
Wed, May 20, 06:28 PM · confidence 85%medium quality
https://www.ycombinator.com/launches/Okq-sylvian-data-for-llms-through-competition

Public signal timeline

Newest first · 3 event(s)

Wed, May 20, 06:28 PM · funding_article · 88% · verified_publichigh quality

Sylvian | Y Combinator

YC F25; specialized AI agents gathering expert tool-use data for LLMs via competitions.

Source ↗

Wed, May 20, 06:28 PM · press · 85% · verified_publicmedium quality

Launch YC: Sylvian

Data for LLMs through competition model.

Source ↗

Wed, May 20, 06:28 PM · press · 85% · verified_publiclow quality

SylvianAI on GitHub

GitHub org for Sylvian project artifacts.

Source ↗

News

1 row(s)

press·Wed, May 20, 06:28 PM·Confidence 85%medium qualityverified_public

Launch YC: Sylvian

Data for LLMs through competition model.

https://www.ycombinator.com/launches/Okq-sylvian-data-for-llms-through-competition

Funding / news

1 row(s)

funding_article·Wed, May 20, 06:28 PM·Confidence 88%high qualityverified_public

Sylvian | Y Combinator

YC F25; specialized AI agents gathering expert tool-use data for LLMs via competitions.

https://www.ycombinator.com/companies/sylvian

GitHub

1 row(s)

press·Wed, May 20, 06:28 PM·Confidence 85%low qualityverified_public

SylvianAI on GitHub

GitHub org for Sylvian project artifacts.

https://github.com/SylvianAI

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