--- title: AfterQuery reportedly becomes Y Combinator’s... description: AI training-data startup AfterQuery reportedly raised a round valuing it at $3.2 billion, up from a $300 million valuation just five months earlier at its... canonical: https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B | daily.dev og:description: AI training-data startup AfterQuery reportedly raised a round valuing it at $3.2 billion, up from a $300 million valuation just five months earlier at its... og:url: https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh og:image: https://api.daily.dev/og/posts/tFtmy6toH.png og:image:alt: AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B **[TechCrunch](https://daily.dev/sources/tc)** · 2 min read · 0 upvotes · 0 comments ## Summary AI training-data startup AfterQuery reportedly raised a round valuing it at $3.2 billion, up from a $300 million valuation just five months earlier at its April Series A. Y Combinator partner Gustaf Alströmer called it the fastest startup to reach unicorn status in the accelerator's history. The company's founders, now 22 and 23, joined YC's Winter 2025 cohort 18 months ago. AfterQuery previously reported a $100 million annualized revenue run rate and counts Nvidia, Legora, and Motif Technologies among its customers. It trains AI models and agents on professional workflows rather than just factual accuracy, following a path similar to Mercor and Scale AI. Forbes first reported the funding round. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What is AfterQuery and how much is it valued at now? AfterQuery is an AI training-data startup reportedly valued at $3.2 billion after a new funding round, just five months after its $30 million Series A valued it at $300 million in April. Y Combinator partner Gustaf Alströmer called it the fastest startup to reach unicorn status in the accelerator's history. The company's founders are 22 and 23 years old and joined YC's Winter 2025 cohort. _Founders tracking fast-moving AI startup valuations can follow funding news like this on daily.dev._ ### How does AfterQuery's approach to AI training differ from companies like Scale AI or Mercor? AfterQuery trains AI models and agents on how professionals actually work to complete tasks, rather than focusing solely on answer accuracy. The company describes this as encoding the patterns, decisions, and reasoning of top practitioners, using knowledge professionals like doctors and lawyers, similar to the model used by Mercor and Scale. _Developers comparing AI training-data vendors can follow how firms like AfterQuery differentiate on daily.dev._ ## Similar posts on daily.dev - [Sources: AI training startup Mercor eyes $10B\+ valuation on $450 million run rate](https://daily.dev/posts/sources-ai-training-startup-mercor-eyes-10b-valuation-on-450-million-run-rate-ybpbqkllk) · TechCrunch · 2 upvotes · 0 comments - [Mercor quintuples valuation to $10B with $350M Series C](https://daily.dev/posts/mercor-quintuples-valuation-to-10b-with-350m-series-c-ms4ucrael) · TechCrunch · 0 upvotes · 0 comments - [Peter Sarlin’s QuTwo reaches $380M valuation in angel round](https://daily.dev/posts/peter-sarlin-s-qutwo-reaches-380m-valuation-in-angel-round-rv2r7nsum) · TechCrunch · 0 upvotes · 0 comments --- Tags: [#machine-learning](https://daily.dev/tags/machine-learning), [#startup](https://daily.dev/tags/startup), [#venture-capital](https://daily.dev/tags/venture-capital), [#y-combinator](https://daily.dev/tags/y-combinator) [View this post on daily.dev](https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B","url":"https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh"},"datePublished":"2026-09-01T22:09:10.804Z","dateModified":"2026-09-01T22:09:36.393Z","description":"AI training-data startup AfterQuery reportedly raised a round valuing it at $3.2 billion, up from a $300 million valuation just five months earlier at its...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d76a0ae9603a19794151c800d36828a1?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d76a0ae9603a19794151c800d36828a1?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"TechCrunch","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"TechCrunch","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/tc","url":"https://daily.dev/sources/tc"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"machine-learning,startup,venture-capital,y-combinator","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"TechCrunch","item":"https://daily.dev/sources/tc"},{"@type":"ListItem","position":3,"name":"AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/afterquery-reportedly-becomes-y-combinator-s-fastest-ever-unicorn-now-valued-at-3-2b-tftmy6toh#faq","mainEntity":[{"@type":"Question","name":"What is AfterQuery and how much is it valued at now?","acceptedAnswer":{"@type":"Answer","text":"AfterQuery is an AI training-data startup reportedly valued at $3.2 billion after a new funding round, just five months after its $30 million Series A valued it at $300 million in April. 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