
AfterQuery provides expert-curated datasets and reinforcement learning environments for frontier AI models.
Official pages and third-party coverage in one index.
afterquery.com22 items across 14 mapped pages · Crawled Jul 20, 2026
Official pages and third-party coverage in one index
AfterQuery, an AI training-data startup, reportedly secures a round at a $3.2 billion valuation. The valuation is more than 10 times its April valuation, and Y Combinator partner Gustaf Alströmer says it is the fastest any startup has reached unicorn status in the accelerator’s history. In April, AfterQuery reported a $100 million annualized revenue run rate and named Nvidia, Legora, and Motif Technologies as customers. The company trains models and agents to perform professional tasks by encoding practitioners’ patterns, decisions, and reasoning.
Sep 2026 · TechCrunchNews article
AfterQuery, which sells coding and finance training data to AI labs, reaches a $3.2 billion valuation after pivoting its Y Combinator startup. The company is profitable, up from a $300 million valuation in April, and 23-year-old Spencer Mateega has made it the fastest unicorn in Y Combinator’s history.
Sep 2026 · forbes.comNews article
AfterQuery announces a partnership with The Raine Group to make the firm’s institutional knowledge structured and searchable through a new enterprise AI tool. The tool is tailor-made to complement existing workflows and is intended to support AI deployment across the firm.
Apr 2026 · AfterQuery BlogNews article
AfterQuery is the subject of a Forbes profile covering its founders and revenue run rate. The piece also discusses the company's Series A financing and competition in the AI data-labeling market.
Apr 2026 · ForbesNews article