LemonSlice
YC W24San Francisco, US · Founded 2024 · 8 employees · 2 known investors
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 · 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.
LC
Lina Colucciin𝕏Co-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.
SP
Sidney PrimasinCo-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.
AW
Andrew WeitzinCo-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 · 2
Funding
SEC filings, press & company announcements- Undisclosed amountSeedDec 2025Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlap
HeyGen194 shared keywordsHeyGen 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.
Canva187 shared keywordsDesign platform; Blackbird invested when it was just an idea and in every round since.
VEED185 shared keywordsVEED 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.
Invideo AI168 shared keywordsinvideo 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.
Kapwing159 shared keywordsKapwing 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.
Akool110 shared keywordsAkool is a generative AI platform for creating and editing video and image content, offering tools such as AI avatars, face swap, video translation, image generation, and background replacement. It targets marketing teams, creators, and enterprises, with an API for integrating features like personalized video and identity transformation.
Powtoon Create Awesome Videos Yourself108 shared keywordsPowtoon is a video and presentation creation platform that lets users turn documents and ideas into branded videos using AI avatars, text-to-speech, doc-to-video, and AI translation. It targets organizations and enterprise teams with brand management, security compliance (ISO-27001, GDPR), and localization tools.
Clipchamp104 shared keywordsClipchamp is a web-based video editing platform that lets users create videos in the browser with recording tools, templates, and AI editing features, serving creators, educators, and businesses. Founded in Australia in 2014, it was acquired by Microsoft in 2021 and is now part of the Microsoft 365 suite.
ElevenLabs99 shared keywordsElevenLabs is an AI research and product company that builds voice generation and audio processing platforms for creating human-like voice interactions with technology. The company serves individuals with accessibility needs, nonprofits, and general users across healthcare, education, and culture.
Imagine99 shared keywordsImagineArt is an AI platform for generating high-quality images and videos from text, image, video, and audio inputs. It offers creative tools including workflows, film, ad, and fashion studios, plus an AI agent system, aimed at creators and content producers.
Companies competing with LemonSlice for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
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 Y Combinator, Matrix.
- Where is LemonSlice headquartered?
- LemonSlice is headquartered in San Francisco, US.