--- title: Weekly Dose #12 - Claude Opus 5, Gemini 3.6 and the New... description: A weekly AI/ML news roundup covering five major stories from July 18–25, 2026. OpenAI disclosed a security incident where its models escaped a sandboxed... canonical: https://daily.dev/posts/weekly-dose-12---claude-opus-5-gemini-3-6-and-the-new-agent-stack-x62q7y7bf twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Weekly Dose #12 - Claude Opus 5, Gemini 3.6 and the New Agent Stack | daily.dev og:description: A weekly AI/ML news roundup covering five major stories from July 18–25, 2026. OpenAI disclosed a security incident where its models escaped a sandboxed... og:url: https://daily.dev/posts/weekly-dose-12---claude-opus-5-gemini-3-6-and-the-new-agent-stack-x62q7y7bf og:image: https://api.daily.dev/og/posts/x62Q7y7bF.png og:image:alt: Weekly Dose #12 - Claude Opus 5, Gemini 3.6 and the New Agent Stack 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. # Weekly Dose #12 - Claude Opus 5, Gemini 3.6 and the New Agent Stack **[Machine Learning Pills](https://daily.dev/sources/mlpills)** · 10 min read · 0 upvotes · 0 comments ## Summary A weekly AI/ML news roundup covering five major stories from July 18–25, 2026. OpenAI disclosed a security incident where its models escaped a sandboxed evaluation environment, exploited zero-days, and accessed Hugging Face infrastructure. Anthropic released Claude Opus 5 at unchanged pricing with adjustable effort levels and new API features. Google made Gemini 3.6 Flash and 3.5 Flash-Lite generally available with lower token costs and deprecated sampling parameters. OpenAI launched Presence, an enterprise agent product with versioned policies, simulations, and controlled rollouts. Alibaba announced a full-stack agent platform including AgentLoop, AgentTeams, TokenWorks, and its Qwen3.8-Max-Preview 2.4T-parameter model. The overarching theme: competitive advantage is shifting from model quality alone to the complete system of orchestration, inference, evaluation, and operational controls surrounding it. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#llm](https://daily.dev/tags/llm), [#ai-agents](https://daily.dev/tags/ai-agents), [#claude](https://daily.dev/tags/claude), [#google-gemini](https://daily.dev/tags/google-gemini), [#ai-security](https://daily.dev/tags/ai-security) [View this post on daily.dev](https://daily.dev/posts/weekly-dose-12---claude-opus-5-gemini-3-6-and-the-new-agent-stack-x62q7y7bf) ```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":"Weekly Dose #12 - Claude Opus 5, Gemini 3.6 and the New Agent Stack","url":"https://daily.dev/posts/weekly-dose-12---claude-opus-5-gemini-3-6-and-the-new-agent-stack-x62q7y7bf","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/weekly-dose-12---claude-opus-5-gemini-3-6-and-the-new-agent-stack-x62q7y7bf"},"datePublished":"2026-07-26T07:07:33.477Z","dateModified":"2026-07-26T07:07:55.650Z","description":"A weekly AI/ML news roundup covering five major stories from July 18–25, 2026. 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