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Halluminate (YC S25) — Data and RL environments to automate knowledge work

We help foundation model labs and enterprises train computer use AI with data and sandboxes. A knowledge worker spends 90% of their day on a computer.

Halluminate is a Y Combinator company in the Summer 2025 batch. Its directory entry describes it as: Data and RL environments to automate knowledge work. The founders listed are Jerry Wu (Founder/CEO), Wyatt Marshall (Founder/CTO) (Y Combinator directory entry, June 18, 2025).

6 more companies from YC Summer 2025 ↓

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Halluminate

New accelerator entry · 2025-06-18 · the record

Summer 2025
batch
5
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2025
Announced2025-06-18
StageEarly
StatusActive
Team size5
IndustryB2B
Sub-industryB2B
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringYes
Sitehttps://halluminate.ai/
Founded2024
YC group partnerJon Xu

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Also in YC Summer 2025

Same batch, B2B first.

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In their words

We help foundation model labs and enterprises train computer use AI with data and sandboxes. A knowledge worker spends 90% of their day on a computer. A productive AI agent must similarly learn how to use our computers, browsers, and software to deliver real world value. Today, browser and computer use AI is inaccurate, slow, and expensive. Model labs and enterprises who want to improve these agents are bottlenecked by two resources: 1) High quality datasets for benchmarking and evaluations 2) Realistic sandbox environments for safe and accurate testing/training (ex. a simulated version of Salesforce) Halluminate offers a suite of products and services to address both these issues. Our evaluation service combines proprietary datasets with high quality annotations to help our customers identify and prioritize the biggest failure modes of their computer- and browser- use AI. Our platform provides a catalog of fully managed sandboxes, empowering our customers to safely and accurately test/train at scale, resulting in improved performance. Our customers see - Improved browser- and computer-use agent performance - New and emergent frontier agent capabilities - Data driven prioritization leading to exponentially faster development speed - Increased revenue/sales via marketing from public benchmarks Our paying customers already include leading computer use model labs and the two largest browser agent companies in the space. Wyatt and Jerry are friends that met their first week of school studying CS at Cornell University. They’ve been working and studying together for 7+ years.

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Halluminate: Accepted into Y Combinator Summer 2025
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Permanent URL: https://mentionfox.com/funding/yc-halluminate
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Halluminate (YC S25) — Data and RL environments to automate knowledge work. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-halluminate