AI infrastructure

Lightly

Website

When ML teams send their data to companies like Scale.ai for labeling, most can only afford to label 1% or less of their datasets. But today they don’t have a good way to pick which 1% to label. We help them pick the best 1% of their data to label. By labeling the most representative data, they significantly improve model accuracy at the same cos

Founded 2018Origin source ↗Checked 2026-09-15

Overview

When ML teams send their data to companies like Scale.ai for labeling, most can only afford to label 1% or less of their datasets. But today they don’t have a good way to pick which 1% to label. We help them pick the best 1% of their data to label. By labeling the most representative data, they significantly improve model accuracy at the same cost.

Company description As recorded 2026-11-08
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Product & workflow

Export annotations or filenames straight from the grid, or automate it in Python.

Source-reported As recorded 2026-09-16

Customers & use cases

Lightly is built for ML engineers and organizations scaling computer vision.

Source-reported As recorded 2026-09-16

Founders & team

Igor Susmelj

Founder

Igor has more than five years of experience in machine learning. He holds a degree in electrical engineering from ETH Zurich. During his studies, he developed a lot of experience in machine learning and robotics and had multiple successful publications in the area of deep learning at top conferences such as ICML and ECCV. He previously worked for two years at the Swiss stock exchange as a software engineer.

LinkedIn X
Founder profile As recorded 2026-09-15
5team members reported
Source-reported As recorded 2026-09-15

Founded 2018 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedZürich, ZH, Switzerland
Pricing evidenceNo pricing page confirmed
Maturity: Launched · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The company website offers product access through a trial, free start, app download, purchase, or onboarding with existing-account login. Customer adoption is not established by this evidence.

Company website: home Checked 2026-09-16

Start for Free

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year
startup.observe Directory coverage · Sources & method