Expert-curated training datasets and agent evaluation environments for AI labs
AI📍 San Francisco, CAFounded 2024
Current Valuation
Private
as of 2026-Q2
PRIVATE
IPO Outlookprivate
Is AfterQuery going public?
No. AfterQuery is private and has not filed to go public. There is no S-1 on file.
What is AfterQuery's valuation in 2026?
No confirmed valuation is on record for AfterQuery. The roster shows funding and investors where they are public; it does not estimate a mark.
Has AfterQuery filed an S-1?
No public S-1 is on file for AfterQuery.
Who are AfterQuery's investors?
AfterQuery's investors include Y Combinator.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
AfterQuery is a Y Combinator (W25) applied research lab that builds high-quality, expert-generated training datasets, RL environments, and evaluation tooling for frontier AI labs. With a network of nearly 100,000 domain experts — developers, attorneys, and other professionals — it competes with Mercor and Surge in the model-training data market.
Company Profile
Founded
2024
HQ
San Francisco, CA
Total Raised
$30M
Est. Revenue
$100M (2026)
Last Round
Series A — $30M (Apr 2026)
IPO Status
none
Fundraising Status
Series A · $30M · 4 mo ago
noneTotal raised $30M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series A
$30M
Apr 2026
—
—
Vertical Intelligence — AI / ML
Open models
0
Downloads (30d)
0
across all models
Followers
23
Attributed to Hugging Face organization "AfterQuery" as of 2026-08-19. Open-weights footprint only — closed-model usage is not publicly measurable. Verify on Hugging Face ↗
Talent Signal
Hiring trend
● First snapshot
trend accrues with monthly sweeps
Open roles
28
via ashby
Product-build share
29%
engineering, research, product, design
Trajectory
steady
balanced build + GTM — 29% builders vs 71% go-to-market/G&A — scaling both sides.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Software Engineer - Platform/Applied AI (Fullstack)Software Engineering InternSenior Software Engineer - InfrastructureSenior Software Engineer - Security/InfrastructureSoftware Engineer - RL Environments Research Scientist - Post Training
Counted from AfterQuery's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Investors
Y Combinator
Products
Expert-curated training datasets
Reinforcement-learning agent environments
AI evaluation infrastructure
Competitors
Mercor · Surge AI · Scale AI · Handshake AI · micro1
AIData LabelingY CombinatorRL Environments
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-Q2. Refreshed quarterly.