--- title: A Seasoned Tester's Crystal Ball: Benchmarking results description: A seasoned tester benchmarked different testing approaches on the same application: solo human testing found 62% of issues, human-with-AI collaboration found... canonical: https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A Seasoned Tester's Crystal Ball: Benchmarking results | daily.dev og:description: A seasoned tester benchmarked different testing approaches on the same application: solo human testing found 62% of issues, human-with-AI collaboration found... og:url: https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3 og:image: https://api.daily.dev/og/posts/yACNO8tU3.png og:image:alt: A Seasoned Tester's Crystal Ball: Benchmarking results 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. # A Seasoned Tester's Crystal Ball: Benchmarking results **[A Seasoned Tester's Crystal Ball](https://daily.dev/sources/visiblequality)** · 3 min read · 1 upvotes · 0 comments ## Summary A seasoned tester benchmarked different testing approaches on the same application: solo human testing found 62% of issues, human-with-AI collaboration found 100%, AI-with-human-prompting found 55%, pure AI found 5%, and 57 average human testers found 18%. The experiment used GitHub Copilot with Claude Opus 4.5 and Playwright, demonstrating that AI augmentation significantly improves testing effectiveness when properly guided, but AI alone performs poorly. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A Seasoned Tester's Crystal Ball](https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-onlanjdbh) · A Seasoned Tester's Crystal Ball · 0 upvotes · 0 comments - [Medium](https://daily.dev/posts/medium-tsnt0ik2g) · Medium · 0 upvotes · 0 comments - [Study Finds AI Is a Priority for Software Testing Teams, but Confidence Hinges on Accuracy and Reliability](https://daily.dev/posts/study-finds-ai-is-a-priority-for-software-testing-teams-but-confidence-hinges-on-accuracy-and-relia-hzkblvrfw) · SD Times · 0 upvotes · 0 comments - [Measuring What Matters with Jules](https://daily.dev/posts/measuring-what-matters-with-jules-bwyrmpwn7) · Google Developers · 1 upvotes · 0 comments --- Tags: [#ai](https://daily.dev/tags/ai), [#testing](https://daily.dev/tags/testing) [View this post on daily.dev](https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3) ```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":"A Seasoned Tester's Crystal Ball: Benchmarking results","url":"https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3"},"datePublished":"2026-02-12T20:43:00.250Z","dateModified":"2026-02-12T20:43:18.940Z","description":"A seasoned tester benchmarked different testing approaches on the same application: solo human testing found 62% of issues, human-with-AI collaboration found...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/3c2e580f8528dce84a8ffebfb65df1b4?_a=AQAEunF","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/3c2e580f8528dce84a8ffebfb65df1b4?_a=AQAEunF","isAccessibleForFree":true,"articleSection":"A Seasoned Tester's Crystal Ball","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":"A Seasoned Tester's Crystal Ball","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/ba613679eceb40ed9948ace84af92409","url":"https://daily.dev/sources/visiblequality"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/a-seasoned-tester-s-crystal-ball-benchmarking-results-yacno8tu3","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ai,testing","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"A Seasoned Tester's Crystal Ball","item":"https://daily.dev/sources/visiblequality"},{"@type":"ListItem","position":3,"name":"A Seasoned Tester's Crystal Ball: Benchmarking results"}]} ```