Halluminate A Verified
RL environment company · Finance
- Domains
- Finance Enterprise Workflows Computer Use
- On X
- @HalluminateAI ↗
- Funding
- $38.5M raised · Y Combinator S25 · rounds and investors
- Tier
- A why
- Snapshot
What Halluminate does
Halluminate builds RL environments and benchmarks for AI agents doing knowledge work, starting with financial services due diligence and browser/computer-use tasks.
- Sells
- RL environments
- Leads with
- Finance
- Based in
- San Francisco, USA
- Team
- 26-50
- Website
- halluminate.ai ↗
What Halluminate sells
Read from Halluminate's own website, checked October 11, 2026: the line that puts it in each category.
RL environments
“Halluminate is a data research lab building benchmarks and RL environments to push the frontier of AI in knowledge work.”
halluminate.ai/ ↗“We present Westworld Finance Diligence Bench, a benchmark of 88 problems that evaluates AI agents on a complete company acquisition due-diligence process.”
halluminate.ai/ ↗
Domains Halluminate covers
Finance leads with
“Our first area of focus is economically valuable workflows in financial services and consulting”
halluminate.ai/ ↗“AI sandbox environments for training and evaluating computer-use agents on realistic simulated websites.”
halluminate.ai/research ↗“building benchmarks and RL environments to push the frontier of AI in knowledge work.”
halluminate.ai/ ↗
Halluminate competitors and alternatives
The companies that sell the most of the same things in the same domains, and what they share with Halluminate.
- Dissei Also sells RL environments and evals · also in finance
- EdotEnv Also sells RL environments and evals · also in finance
- AfterQuery Also sells RL environments and evals · also in computer use, enterprise work and finance
- Collinear Also sells RL environments and evals · also in computer use, finance and enterprise work
- Snorkel AI Also sells RL environments and evals · also in computer use, enterprise work and finance
Tier A
Scaling: 51 to 250 people, or $20M+ raised.
How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.
- team 26-50
- raised $38M
- investors: Oak HC/FT, Y Combinator, Orange Collective
- went through Y Combinator Summer 2025
- in curated RL directories (5 pts)
How we got to tier A
- Adoption: team 26-50; raised $38M; investors: Oak HC/FT, Y Combinator, Orange Collective; went through Y Combinator Summer 2025. Tier A.
- On X: unclear, none buzz No move.
- In curated RL directories: 5 points, a floor of C.
- Confirmed: a line from its own site or paper places it.
A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.
Halluminate funding
- Raised
- $38.5Mstated total
- Latest round
- Series A $30M2026-10 · led by Oak HC/FT
- Accelerator
- Y Combinator S25
Backed byY Combinator Summer 2025Oak HC/FTFT PartnersHeavybitOrange Collective
Rounds
- Series A · $30M · 2026-10 · led by Oak HC/FT
we've raised $30 million in Series A funding led by Oak HC/FT with participation from YCombinator, Orange Collective, FT Partners, and Heavybit.
- Read: “we've raised $30 million in Series A funding led by Oak HC/FT with participation from YCombinator, Orange Collective, FT Partners, and Heavybit.”
- Found word for word on its own site: halluminate.ai/blog/series-a
- The quote states the amount and who led it
- Also named by 3 other pages read
Accelerator
- Y Combinator Summer 2025
- Y Combinator's company directory lists Halluminate with the website halluminate.ai, in its Summer 2025 batch
- Checkable on YC's page: ycombinator.com/companies/halluminate
- 4 pages read also name Y Combinator
Funds 4
- Oak HC/FT led a round
Named in the round quoted above.
- FT Partners
Named in the round quoted above.
- Heavybit
Existing Halluminate investors Y Combinator, Orange Collective, and Heavybit participated in the round
- Read: “Existing Halluminate investors Y Combinator, Orange Collective, and Heavybit participated in the round”
- Found word for word on a page found by search: fortune.com/2026/10/01/halluminate-raises-30-million-series-a-oakhc-ft
- Also named by 3 other pages read and a curated directory
- Orange Collective
Existing Halluminate investors Y Combinator, Orange Collective, and Heavybit participated in the round
- Read: “Existing Halluminate investors Y Combinator, Orange Collective, and Heavybit participated in the round”
- Found word for word on a page found by search: fortune.com/2026/10/01/halluminate-raises-30-million-series-a-oakhc-ft
- Also named by 3 other pages read and a curated directory
Every figure is quoted from its own site, its accelerator or a funding announcement; a round's amount and lead appear only when its quote states them. Startup databases are never used as evidence. Checked 2026-10-11. How funding is checked.
Training methods
Methods Halluminate uses, offers or builds for, with public evidence: its own website says so, or two independent sites do.
- RLVR Reinforcement Learning with Verifiable Rewards On its own website
“We employ RLVR-style unit tests that deterministically evaluate the agent's final state. Complete access to the simulator's underlying data allow us to compute and check ground truth programmatically, eliminating dependence on live-si…”
halluminate.ai - GRPO Group Relative Policy Optimization On its own website
“Training has two phases: SFT followed by RL, specifically Group Relative Policy Optimization (GRPO).”
halluminate.ai - SFT Supervised Fine-Tuning On its own website
“Training has two phases: SFT followed by RL, specifically Group Relative Policy Optimization (GRPO).”
halluminate.ai
Where Halluminate sits
Its domain on the map, live. Hover a logo for its name; click to open it. Open it on the full map
Latest from Halluminate on X
@HalluminateAI ↗Next: browse all environments. Entry from the RL Research daily scrape of public sources, 2026-11-05 snapshot.