Sweep
YC S23San Francisco, US · Founded 2023 · 4 employees · Hiring · 2 known investors
Sweep builds AI coding tools for JetBrains users, including autocomplete and agent features with an emphasis on speed, accuracy, and privacy. The company operates its own models to deliver a secure AI coding experience.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareArtificial IntelligenceAI AssistantUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S23)
Sweep was founded in 2023 by William Zeng and Kevin Lu.
WZ
William Zengin𝕏FounderWilliam Zeng previously worked as a machine learning engineer at Roblox, where he contributed to search ranking improvements. He studied statistics and machine learning at Carnegie Mellon University and is now building Sweep, an IDE extension for JetBrains.
Investors · 2
Funding
SEC filings, press & company announcements$22.5M disclosed across 1 of 2 rounds · 2025
- $22.5MSeries BMay 2025 · 2 sources
Insight Partners (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 6
by search overlapSweepr8 shared keywordsSweepr provides a journey orchestration platform for telecom operators to design, deploy, and optimize digital customer care experiences. The company combines AI-driven agentic technology with home network intelligence to deliver personalized, context-aware support across communication channels.
Sweep Digital threat detection8 shared keywordsThe ubiquitous defense layer for the AI age
Hugging Face8 shared keywordsHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
Swept7 shared keywordsSwept provides janitorial management software for commercial cleaning businesses, offering time tracking, team communication, supply tracking, inspection reports, and a multilingual cleaner app. The platform helps cleaning companies manage employees, payroll reporting, and remote locations while improving customer and staff retention.
Augment Code7 shared keywordsCosmos is a unified AI agents platform that enables enterprise development teams to automate software development workflows at scale, improving engineering throughput and reducing time-to-merge through intelligent agent coordination and codebase understanding.
Swept6 shared keywordsSwept AI provides runtime supervision, policy enforcement, and monitoring for AI assistants, agentic workflows, and customer-facing AI features, giving security teams real-time visibility and control over AI behavior. It targets security teams in finance, healthcare, enterprise SaaS, and other regulated industries deploying AI, offering drift detection, adversarial-attack monitoring, and full audit trails.
Companies competing with Sweep for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Sweep do?
- Sweep builds AI coding tools for JetBrains users, including autocomplete and agent features with an emphasis on speed, accuracy, and privacy. The company operates its own models to deliver a secure AI coding experience.
- Who founded Sweep?
- Sweep was founded by William Zeng, Kevin Lu in 2023.
- Who are Sweep's investors?
- Sweep's investors include Y Combinator, Insight Partners.
- How much funding has Sweep raised?
- Sweep has disclosed $22.5M raised across 1 of its 2 known rounds.
- Where is Sweep headquartered?
- Sweep is headquartered in San Francisco, US.





