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LemonSlice

YC W24

San Francisco, US · Founded 2024 · 8 employees · 7 known investors

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LemonSlice develops interactive avatar technology that generates real-time video from still images, enabling video communication similar to conventional video calling platforms.

Also known as Infinity AI, Inc. · Infinity AI · Infinity AI, Lemon Slice · Lemon Slice

AI & Machine LearningEnterprise SoftwareArtificial IntelligenceConsumerVideoUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W24)

LemonSlice was founded in 2024 by Lina Colucci, Sidney Primas, and Andrew Weitz.

LCLina Colucci
Lina ColucciCo-Founder/CEOLina Colucci previously co-founded a machine learning company and holds a PhD from MIT and Harvard. She is based in Brazil and has worked at the intersection of technology and the arts.
SPSidney Primas
Sidney PrimasCo-FounderSidney Primas studied machine learning algorithms for medical imaging at MIT. He co-founded Edge Analytics, an ML consulting firm that grew to employ PhD-level engineers and generate $3M in annual revenue, before starting LemonSlice.
AWAndrew Weitz
Andrew WeitzCo-FounderAndrew Weitz holds a PhD in Bioengineering from Stanford University with research experience in medical imaging and computational neuroscience. He co-founded Edge Analytics, a machine learning consulting firm, and has over a decade of experience in AI/ML and synthetic media development.

Investors · 7

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · traded.co · open dataset · 5k.vc investor directory · Not right? Tell us

Mantis CapitalreportedSanta Monica · $100K – $1M

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

MatrixreportedSan Francisco · $100K – $10M

How we know: a partner's Signal profile · funding news · traded.co · Y Combinator's founder network · Not right? Tell us

Parable PartnersreportedSan Francisco

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

Standard Partners Managementreported

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

Tiny Supercomputer Investment CompanyreportedBerlin · $200K – $250K

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

Funding

SEC filings, press & company announcements

$10.5M disclosed across 1 round · 2025

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 10

HeyGenHeyGen is an AI video generation and dubbing platform that allows users to create and localize videos by writing scripts and selecting AI-generated voices, eliminating the need for cameras, actors, and traditional production resources. The platform serves businesses and content creators seeking to produce high-quality multilingual video content at scale.
DecohereDecohere provides AI-powered content generation tools that create characters, art, and video. The platform serves creative professionals and hobbyists across multiple domains including anime, illustration, interior design, and video production.
Canva, Inc.Design platform; Blackbird invested when it was just an idea and in every round since.
NarrativeNarrative uses AI technology to automatically generate and distribute highlight videos for sports broadcasters, teams, and leagues.
VEEDVEED is a browser-based video creation and editing platform that turns text prompts and ideas into post-ready videos with captions, music, branding, and export formats for social channels. It serves marketers, founders, and creators worldwide, and also offers developer APIs for video generation, lip sync, subtitles, and background removal.
FocalFocal is an AI-powered video creation platform that automates scriptwriting, video production, voiceovers, and editing for creators, marketers, and educators. The tool enables users to generate high-quality videos from text descriptions without traditional editing expertise.
Invideo AIinvideo is an AI video platform that enables creative professionals to generate, edit, and collaborate on video content using AI agents that maintain context and consistency across projects without requiring constant user intervention.
Diffusion StudioDiffusion Studio is a browser-based video editor and creative suite that combines an infinite canvas design interface with timeline-based editing for composing, animating, and exporting video and motion graphics. It serves creators, motion designers, and video professionals who need to work across design, animation, editing, and export without switching tools.
KapwingKapwing is a web-based video creation and editing platform designed for marketing teams to produce, repurpose, and scale video content across multiple channels. It provides AI-powered tools for automating tasks like subtitle generation, video repurposing, and content creation, along with collaboration features for team-based workflows.
MojoMojo is a mobile app that provides animated templates and editing tools for creating social media content. It serves content creators and small businesses looking to produce professional-quality videos and graphics.

Companies working in the same space as LemonSlice.

Legal entities · 1

corporate structure
Infinity AI, Inc.

In the news

Lemon Slice nabs $10.5M from YC and Matrix to build out its digital avatar tech | TechCrunchtechcrunch.com · Dec 2025

Frequently asked questions

What does LemonSlice do?
LemonSlice develops interactive avatar technology that generates real-time video from still images, enabling video communication similar to conventional video calling platforms.
Who founded LemonSlice?
LemonSlice was founded by Lina Colucci, Sidney Primas, Andrew Weitz in 2024.
Who are LemonSlice's investors?
LemonSlice's investors include Pioneer, Y Combinator, Mantis Capital, Matrix, Parable Partners, Standard Partners Management, Tiny Supercomputer Investment Company.
How much funding has LemonSlice raised?
LemonSlice has disclosed $10.5M raised across 1 round.
Where is LemonSlice headquartered?
LemonSlice is headquartered in San Francisco, US.