--- title: Superhuman acquires AI detection startup GPTZero | daily.dev description: Superhuman (the company formed after Grammarly acquired email client Superhuman and rebranded) has acquired GPTZero, the AI detection startup founded by... canonical: https://daily.dev/posts/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Superhuman acquires AI detection startup GPTZero | daily.dev og:description: Superhuman (the company formed after Grammarly acquired email client Superhuman and rebranded) has acquired GPTZero, the AI detection startup founded by... og:url: https://daily.dev/posts/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm og:image: https://api.daily.dev/og/posts/XpxwIFjCM.png og:image:alt: Superhuman acquires AI detection startup GPTZero 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. # Superhuman acquires AI detection startup GPTZero **[TechCrunch](https://daily.dev/sources/tc)** · 2 min read · 0 upvotes · 0 comments ## Summary Superhuman (the company formed after Grammarly acquired email client Superhuman and rebranded) has acquired GPTZero, the AI detection startup founded by Princeton grad Edward Tian. GPTZero had grown to 19 million registered users and $30 million ARR on just $13.5 million in total funding. Superhuman already had its own AI detection tool; it justifies the acquisition by arguing two detectors are better than one. Deal terms were not disclosed. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Superhuman buys GPTZero: the AI-detection irony](https://daily.dev/posts/superhuman-buys-gptzero-the-ai-detection-irony-vfcon5pkj) · The Next Web · 0 upvotes · 0 comments --- Tags: [#tech-news](https://daily.dev/tags/tech-news), [#business](https://daily.dev/tags/business) [View this post on daily.dev](https://daily.dev/posts/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm) ```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":"Superhuman acquires AI detection startup GPTZero","url":"https://daily.dev/posts/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm"},"datePublished":"2026-06-23T21:53:26.292Z","dateModified":"2026-06-23T21:53:47.588Z","description":"Superhuman (the company formed after Grammarly acquired email client Superhuman and rebranded) has acquired GPTZero, the AI detection startup founded by...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d1b3869f2317205d3d791d8768d6e7da?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d1b3869f2317205d3d791d8768d6e7da?_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/superhuman-acquires-ai-detection-startup-gptzero-xpxwifjcm","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"tech-news,business","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":"Superhuman acquires AI detection startup GPTZero"}]} ```