/Companies

Momentic

YC W24

San Francisco, US · Founded 2023 · Delaware corporation · 15 employees · Hiring · 15 known investors

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Momentic builds an AI-powered end-to-end testing platform that automatically writes, runs, and maintains tests for web and mobile applications. The platform serves engineering teams building software faster with AI, helping them catch bugs in production without managing complex test scripts.

Also known as Screenwriter

Founders & leadership· Y Combinator alumni (W24)

Momentic was founded in 2023 by Wei-Wei Wu and Jeff An.

WWWei-Wei Wu
Wei-Wei WuCo-Founder & CEOHe previously held engineering roles at Assembled, where he worked on infrastructure and real-time features, and was an early engineer at Nashi, a startup acquired by Density in 2021.
JAJeff An
Jeff AnCo-FounderJeff An graduated from the University of Waterloo and has worked on cloud and test infrastructure at Splunk, Google, and Robinhood before founding Momentic.
HH
Henry HaefligerFounding Engineer
NW
Nathan WenzelBright Hire
KL
Kaytlin LoutonGTM
GF
Gian Franco VitolaRecruiter (TopFunnel)
BL
Brooke LacinaRecruiterformer

Investors · 15

Capitalize VCreportedChicago · $100K – $200K

How we know: Y Combinator's founder network · Not right? Tell us

General CatalystreportedSan Francisco · $30M

How we know: Y Combinator's founder network · Not right? Tell us

Golden Wokreported

How we know: Y Combinator's founder network · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$18.6M disclosed across 1 of 2 rounds · 2025

▶$18.6MraisedJan 2026 · 68 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Hung-Wei WuExecutive Officer, Director, Promoter
  • Jiawei AnDirector
Offering amount
$18.6M
Amount sold
$18.6M
First sale
Nov 2025
Incorporated
Corporation, Delaware, 2023
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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Companies working in the same space as Momentic.

Legal entities · 1

corporate structure
Momentic, Inc.

In the news

Frequently asked questions

What does Momentic do?
Momentic builds an AI-powered end-to-end testing platform that automatically writes, runs, and maintains tests for web and mobile applications. The platform serves engineering teams building software faster with AI, helping them catch bugs in production without managing complex test scripts.
Who founded Momentic?
Momentic was founded by Wei-Wei Wu, Jeff An in 2023.
Who are Momentic's investors?
Momentic's investors include Eight Capital, FundersClub, Karman Ventures, Standard Capital, Transpose Platform Management, Y Combinator, Andreessen Horowitz, Capitalize VC and 7 more.
How much funding has Momentic raised?
Momentic has disclosed $18.6M raised across 1 of its 2 known rounds.
Where is Momentic headquartered?
Momentic is headquartered in San Francisco, US.