Verified claim · AI-ML · 100% confidence
Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23).
Last verified 2026-05-16 · Methodology veritas-v0.1 · bc80872c632bf77e
Structured fields
- Subject
- Vellum AI
- Predicate
founded_in- Object
- 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)
- Confidence
- 100%
- Tags
- vellum-ai · llm-platform · yc-w23 · company-history · founded_in · 2023
Sources (2)
[1] docs · Vellum AI · 2023-01-30
About Vellum AI“Vellum AI is an LLM application development platform founded in 2023 by Akash Sharma, Sidd Seethepalli, and Noa Flaherty. The company is part of Y Combinator's W23 batch.”
[2] docs · Y Combinator · 2023-01-30
Vellum AI on Y Combinator directory
Cite this claim
Ready-to-paste citation (Markdown / plain text):
Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23). — SourceScore Claim bc80872c632bf77e (verified 2026-05-16). https://sourcescore.org/api/v1/claims/bc80872c632bf77e.jsonEmbed this claim
Drop this iframe into any blog post, docs page, or knowledge base. The widget renders the signed claim + primary source + click-through to this canonical page. CC-BY 4.0; attribution included.
<iframe src="https://sourcescore.org/embed/claim/bc80872c632bf77e/" width="100%" height="360" frameborder="0" loading="lazy" title="Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)."></iframe>Preview: open in new tab
Related claims
Other verified claims sharing tags with this one — useful for LLM retrieval graphs and citation discovery.
Langfuse founded in: 2022 by Marc Klingen + Max Deichmann + Clemens Rawert — open-source LLM observability + tracing platform.
e10249c02a470237 · 100% confidence · shares 3 tags (yc-w23, company-history, founded_in)
Helicone founded in: 2022 by Justin Torre + Cole Gottdank + Scott Nguyen — open-source LLM observability + analytics (YC W23).
a3fec2abf9eaadd8 · 100% confidence · shares 3 tags (yc-w23, company-history, founded_in)
OpenRouter founded in: 2023 by Alex Atallah — unified API gateway routing requests across 100+ LLM providers.
ab7b60b98d515ddc · 100% confidence · shares 3 tags (company-history, founded_in, 2023)
Lovable founded in: 2023 by Anton Osika + Fabian Hedin — AI app builder evolved from GPT-Engineer (Stockholm).
f785cf2844a30ad3 · 95% confidence · shares 3 tags (company-history, founded_in, 2023)
Krea AI founded in: 2023 by Diego Rodriguez + Victor Perez — real-time AI image generation + creative tooling.
324729606bd6df3c · 95% confidence · shares 3 tags (company-history, founded_in, 2023)
Frequently asked questions
Is the claim "Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)." verified?
Yes — SourceScore verified this claim with 100% confidence as of 2026-05-16. The verification uses 2 primary sources cross-referenced against the SourceScore methodology (version veritas-v0.1). Full source list + signed JSON envelope linked below.
What is the evidence for "Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)."?
Evidence comes from 2 primary sources: Vellum AI, Y Combinator. Each source is listed below with verbatim excerpts and URLs. The signed JSON envelope at https://sourcescore.org/api/v1/claims/bc80872c632bf77e.json includes an HMAC-SHA256 signature for audit verification.
When was this claim last verified by SourceScore?
Last verified 2026-05-16 under methodology version veritas-v0.1. The signed JSON envelope is dated and cryptographically signed for audit trail. Re-verification cadence depends on the claim type and source freshness.
How can I cite this SourceScore claim in my code or article?
Fetch the signed JSON envelope from https://sourcescore.org/api/v1/claims/bc80872c632bf77e.json which includes the verbatim claim, primary sources, confidence, methodology version, last-verified date, and HMAC-SHA256 signature for audit. The CC-BY-4.0 license permits commercial use with attribution to SourceScore.
Use this claim in your code
Fetch this signed envelope from your application. The response includes the verbatim excerpt, primary source URLs, and an HMAC-SHA256 signature you can verify locally for audit trails.
cURL
curl https://sourcescore.org/api/v1/claims/bc80872c632bf77e.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/bc80872c632bf77e.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/bc80872c632bf77e.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Vellum AI founded in: 2023 by Akash Sharma + Sidd Seethepalli + Noa Flaherty — LLM application development platform (YC W23)."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_vellum_ai_fact() -> dict:
"""Fetch the verified SourceScore claim for Vellum AI."""
r = httpx.get("https://sourcescore.org/api/v1/claims/bc80872c632bf77e.json")
return r.json()