Haystack
YC S24New York City, US · Founded 2024 · 2 employees · 2 known investors
Haystack is a GitHub-integrated system that evaluates AI-generated pull requests by analyzing code context, diffs, agent reasoning, and test results to determine whether changes can be merged, require fixes, or need human review. It helps engineering teams manage high volumes of AI-generated code changes while maintaining quality standards and focusing human review effort on complex decisions.
Also known as Haystack Software
AI & Machine LearningDeveloper ToolsEnterprise SoftwareB2BProductivityAIUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S24)
Haystack was founded in 2024 by Jake Yatvitskiy and Akshay Subramaniam.
JY
Jake YatvitskiyinFounderJake Yatvitskiy is a cofounder of Haystack Software with a background in AI and cloud infrastructure, including prior experience in AWS's High-Performance Computing division. He holds a Master's degree in Machine Learning from Columbia University.
AS
Akshay SubramaniaminFounderAkshay Subramaniam is co-founder of Haystack Software and formerly a software engineer at Figma where he contributed to product launches including multi-edit functionality, Find and Replace, and FigJam accessibility features.
Investors · 2
Competitors · 4
by search overlap
Deepset9 shared keywordsdeepset builds Haystack, an open platform for creating, running, and governing AI agents and retrieval-augmented generation (RAG) applications, with an open-source foundation and an enterprise platform. It targets enterprises and governments in regulated, high-impact environments, offering cloud or self-hosted deployment with audit logs, RBAC, and data lineage.
Haystack News6 shared keywordsHaystack is a personalized news streaming service that lets users customize a newscast by choosing categories, sources, and topics, with live coverage, curated channels, and an interactive news ticker called Newsline offering local news, weather, stock data, and top stories. It aggregates on-demand and live-streaming national and local news, and helps local news stations distribute and monetize their content across TV platforms like Apple, Roku, Fire TV, and Samsung.
Haystack Team6 shared keywordsHaystack provides a customizable digital headquarters platform for organizations, featuring no-code tools to build branded internal communication and collaboration spaces.
Guru4 shared keywordsGuru is a knowledge management platform that structures, governs, and continuously improves a company's internal knowledge so that both employees and AI tools receive verified, cited answers. It serves enterprise teams across functions such as support, sales, IT, HR, and compliance, with features like permission-aware AI, audit trails, and SOC 2 / HIPAA-ready security.
Companies competing with Haystack for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
The Weekly Notable Startup Funding Report: 7/6/26 – AlleyWatchalleywatch.com · Jul 2026Frequently asked questions
- What does Haystack do?
- Haystack is a GitHub-integrated system that evaluates AI-generated pull requests by analyzing code context, diffs, agent reasoning, and test results to determine whether changes can be merged, require fixes, or need human review. It helps engineering teams manage high volumes of AI-generated code changes while maintaining quality standards and focusing human review effort on complex decisions.
- Who founded Haystack?
- Haystack was founded by Jake Yatvitskiy, Akshay Subramaniam in 2024.
- Who are Haystack's investors?
- Haystack's investors include Y Combinator, Day One Ventures.
- Where is Haystack headquartered?
- Haystack is headquartered in New York City, US.