AfterQuery

Expert-network data lab for frontier AI training

AfterQuery pairs credentialed professionals — physicians, lawyers, engineers, scientists, bilingual specialists — with paid work producing the expert reasoning data and evaluation AI labs train on. Its board mixes two kinds of listing: most are a fixed rate you apply to directly, while a handful are assessment-gated pools where passing one paid assessment qualifies you into ongoing matched work across a stated pay band, rather than a single role.

AfterQuery at a glance

Valuation
$3.2B
Reported by Forbes and TechCrunch, 1 September 2026 — the company declined to confirm specifics or name a lead investor
Series A
$30M at $300M
Announced April 2026, led by Altos Ventures with The Raine Group, Y Combinator and BoxGroup
Annualised revenue
$100M+
Run-rate disclosed April 2026; the founder posted "hundreds of millions" on X in July 2026, not itemized
Verified experts
100,000+
Press reporting, September 2026 — not a figure the company has published itself
Founded2025
HQSan Francisco
BackersAltos Ventures, The Raine Group, Y Combinator, BoxGroup

Figures reported by AfterQuery and press coverage, not measured by Sidequest. Funding and revenue from the company's April 2026 Series A announcement and press reporting; the September 2026 $3.2B valuation is reported by Forbes and TechCrunch, not company-confirmed.

How screening works

Create an account and apply to a specific listing, or take one paid domain assessment to enter a pool matched to a range of projects. Some listings add an AI-scheduled interview on top of a resume; assessments and interview requirements vary by listing rather than following one fixed funnel.

Who fits best

Credentialed professionals in medicine, law, finance, software engineering and the sciences, native-level bilingual speakers for its language and audio work, and skilled generalists for its business-practice and creative listings. Its broader assessment pools accept relevant experience without one specific credential.

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