YesPress · Jul 2026
Independent write-up summarizing Halluminate’s Westworld simulators, deterministic offline training setup, founder background, and reported backers.
Data and RL environments to automate knowledge work
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Halluminate is a YC S25 applied AI/data company building reinforcement-learning environments, realistic sandboxes, datasets, and benchmarks to train and evaluate computer-use and browser-use AI agents, with a notable focus on financial-services workflows.
Primary product
Managed RL environments, datasets, and benchmarks for training and evaluating computer-use AI agents
Founded
2024
Headquarters
San Francisco, California, United States
Team size
20-30
Work style
Onsite
Industry
Technology, Information and Internet
Sub-industry
AI agent infrastructure / AI software testing / RL environments
Offices
0 jobs at Halluminate
Check back later for new openings
Business model
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Oct 2025
Latest amount
$500K
Oct 2025 · Y Combinator
Investors
Small, in-person, research-heavy team shipping benchmarks and simulators for frontier AI; public-facing and experiment-driven, with a strong bias toward practical training data and reusable evaluation infrastructure.
Work style
Onsite
Visa sponsorship
Yes
Compensation
A YC job post lists a Founding Member of Technical Staff at $150K-$250K base plus 0.50%-0.75% equity; expert contributors are paid roughly $100-$250/hour depending on role and experience.
Benefits
Pricing
Custom enterprise pricing; not publicly disclosed
Differentiators
Technology
Customers
Competitors
Estimated revenue
≈$1M-$2M ARR (third-party estimate: $1.3M in 2025)
Estimated monthly visits
30.3K
YesPress · Jul 2026
Independent write-up summarizing Halluminate’s Westworld simulators, deterministic offline training setup, founder background, and reported backers.
Halluminate · Nov 2025
Halluminate introduced Westworld, a suite of realistic web-app simulators for training and evaluating web agents, co-developed with Yutori.
Halluminate · Nov 2025
Halluminate launched BrowserBench, a benchmark for browser infrastructure stealth with 292 tasks across 292 websites, aimed at measuring real-world agent infrastructure reliability.
Halluminate · May 2025
Halluminate published Web Bench, a benchmark covering roughly 5,750 realistic tasks across 500+ websites to evaluate browser agents and infrastructure.
Y Combinator
YC’s launch post describes Halluminate’s product as realistic sandboxes, datasets, and evaluations for training computer-use AI, along with founder background and public contact emails.