--- title: Anthropic and OpenAI are terrified of Kimi | daily.dev description: Kimi K3 from Moonshot AI has emerged as a highly capable open-weight model that is rattling frontier AI labs like Anthropic and OpenAI. The post covers the... canonical: https://daily.dev/posts/anthropic-and-openai-are-terrified-of-kimi-njmle9kpr twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Anthropic and OpenAI are terrified of Kimi | daily.dev og:description: Kimi K3 from Moonshot AI has emerged as a highly capable open-weight model that is rattling frontier AI labs like Anthropic and OpenAI. The post covers the... og:url: https://daily.dev/posts/anthropic-and-openai-are-terrified-of-kimi-njmle9kpr og:image: https://api.daily.dev/og/posts/nJmLe9kPR.png og:image:alt: Anthropic and OpenAI are terrified of Kimi 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. # Anthropic and OpenAI are terrified of Kimi **[Theo - t3․gg](https://daily.dev/sources/t3dotgg)** · 36 min read · 1 upvotes · 0 comments ## Summary Kimi K3 from Moonshot AI has emerged as a highly capable open-weight model that is rattling frontier AI labs like Anthropic and OpenAI. The post covers the geopolitical controversy around alleged distillation attacks on Claude (Fable) by Chinese labs, explains how model distillation works using a senior/junior developer analogy, and analyzes claims by US government officials about IP theft. It also examines an OpenAI executive's nuanced take on open-weight models being 'decelerationist' for AI capex, discusses K3's real-world performance and cost efficiency compared to GPT and Claude, and floats a conspiracy theory that Anthropic delayed Opus 5 because it benchmarks below K3. The author ultimately argues that open-weight Chinese models are pushing the frontier forward and benefiting the broader AI ecosystem despite legitimate security concerns. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#open-source](https://daily.dev/tags/open-source), [#llm](https://daily.dev/tags/llm), [#ai-regulation](https://daily.dev/tags/ai-regulation), [#kimi-k3](https://daily.dev/tags/kimi-k3) [View this post on daily.dev](https://daily.dev/posts/anthropic-and-openai-are-terrified-of-kimi-njmle9kpr) ```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":"Anthropic and OpenAI are terrified of Kimi","url":"https://daily.dev/posts/anthropic-and-openai-are-terrified-of-kimi-njmle9kpr","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/anthropic-and-openai-are-terrified-of-kimi-njmle9kpr"},"datePublished":"2026-07-26T23:57:12.482Z","dateModified":"2026-07-27T01:06:23.123Z","description":"Kimi K3 from Moonshot AI has emerged as a highly capable open-weight model that is rattling frontier AI labs like Anthropic and OpenAI. 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