--- title: Reflection 70B: The World's Top Open-Source AI Model and... description: Reflection 70B, developed by HyperWrite, is a groundbreaking open-source AI model employing a novel technique known as Reflection-Tuning to self-correct its... canonical: https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Reflection 70B: The World's Top Open-Source AI Model and Its Successor Reflection 405B | daily.dev og:description: Reflection 70B, developed by HyperWrite, is a groundbreaking open-source AI model employing a novel technique known as Reflection-Tuning to self-correct its... og:url: https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc og:image: https://api.daily.dev/og/posts/DiG4oUYjc.png og:image:alt: Reflection 70B: The World's Top Open-Source AI Model and Its Successor Reflection 405B 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. # Reflection 70B: The World's Top Open-Source AI Model and Its Successor Reflection 405B **[Collections](https://daily.dev/sources/collections)** · 2 min read · 1 upvotes · 0 comments ## Summary Reflection 70B, developed by HyperWrite, is a groundbreaking open-source AI model employing a novel technique known as Reflection-Tuning to self-correct its reasoning errors. Built on Meta's Llama 3.1-70B Instruct, it surpasses existing models like GPT-4 in accuracy and consistency. Publicly accessible, it paves the way for the upcoming launch of the advanced Reflection 405B model by HyperWrite, promising even higher performance standards in AI technology. ## Content ## Introduction Reflection 70B, unveiled by Matt Shumer of the AI startup HyperWrite, represents a significant breakthrough in the field of large language models (LLMs). Built on Meta’s Llama 3.1-70B Instruct, this groundbreaking open-source AI model employs a novel technique called Reflection-Tuning, which enables it to detect and correct its own reasoning errors. ## Reflection-Tuning: A New Frontier in AI Reflection-Tuning is the cornerstone of Reflection 70B’s exceptional capabilities. This technique involves distinct reasoning and reflection phases during response generation, allowing the model to identify potential mistakes in its reasoning and course-correct accordingly. This method significantly minimizes hallucinations and enhances the accuracy and consistency of the model across various benchmarks including MMLU, MATH, and IFEval, showcasing its superiority over other leading models such as GPT-4 and Sonnet 3.5. ## Public Availability and Future Prospects The success of Reflection 70B has established it as the world’s top open-source model, available for public testing. HyperWrite’s innovative approach includes the use of synthetic data from Glaive, a startup specializing in creating use-case-specific datasets. This collaboration has been instrumental in refining the capabilities of Reflection 70B. ## Upcoming Developments Excitingly, HyperWrite has announced the upcoming release of an even more advanced model, Reflection 405B, expected to debut next week. With enhanced features and higher performance metrics, Reflection 405B is anticipated to set new standards in the industry, further solidifying HyperWrite's position at the forefront of AI technology. ## Conclusion Reflection 70B marks a groundbreaking advancement in AI, leveraging unique self-correction techniques to offer unprecedented accuracy and reliability. As HyperWrite prepares to launch Reflection 405B, the future of open-source AI looks promising, fostering greater trust and dependability in AI systems for high-stakes applications. ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#tech-news](https://daily.dev/tags/tech-news), [#ai](https://daily.dev/tags/ai), [#machine-learning](https://daily.dev/tags/machine-learning), [#open-source](https://daily.dev/tags/open-source), [#llm](https://daily.dev/tags/llm) [View this post on daily.dev](https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc) ```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":"Reflection 70B: The World's Top Open-Source AI Model and Its Successor Reflection 405B","url":"https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc"},"datePublished":"2024-09-05T22:42:04.804Z","dateModified":"2024-09-07T08:08:31.809Z","description":"Reflection 70B, developed by HyperWrite, is a groundbreaking open-source AI model employing a novel technique known as Reflection-Tuning to self-correct its...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/2f39cd104e3486739958b417b421ef80?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/2f39cd104e3486739958b417b421ef80?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Collections","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":"Collections","logo":"https://media.daily.dev/image/upload/s--fk_6ycEi--/f_auto,q_auto/v1780996001/logos/collections?_a=BAMAMiWQ0","url":"https://daily.dev/sources/collections"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/reflection-70b-the-world-s-top-open-source-ai-model-and-its-successor-reflection-405b-dig4ouyjc","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"tech-news,ai,machine-learning,open-source,llm","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Collections","item":"https://daily.dev/sources/collections"},{"@type":"ListItem","position":3,"name":"Reflection 70B: The World's Top Open-Source AI Model and Its Successor Reflection 405B"}]} ```