Lemon Slice

Founded in 2021 by Lina Avancini Colucci, Sidney Primas, and Andrew Weitz and based in California, US, Infinity AI, Inc. , trading under the name Lemon Slice operates as a software development company that provides artificial intelligence-based Data-as-a-Service software that enables machine learning and algorithms engineers to create 2-dimensional models with per-built synthetic data sets. In December 2025, Lemon Slice raised USD 10. 5 million in seed funding co-led by investor Y Combinator and Matrix Partners.

The firm offers an Infinity API platform that enables developers to generate labeled synthetic videos in real time and also generate entire datasets. The platform also enables users to generate data on demand and input parameters, 2D/3D keypoints, depth maps, scene metadata, etc according to specifications. Additionally, the company offers data flywheel tools to help automate machine learning data pipelines to import motions and backgrounds. The company generate revenues through the monthly subscription which cost USD 8 per month for starter, USD 40 per month for creator, USD 100 per month for professional, and USD 240 per month for scale.

The company intends to use the December 2025 funding to develop its video‑based digital avatar model, expand its engineering and go‑to‑market teams, and cover computing costs needed to train and run its systems.