{"id":91384,"date":"2025-11-25T14:01:41","date_gmt":"2025-11-25T11:01:41","guid":{"rendered":"https:\/\/forklog.com\/en\/?p=91384"},"modified":"2025-11-25T14:05:24","modified_gmt":"2025-11-25T11:05:24","slug":"anthropic-unveils-worlds-best-ai-programmer-opus-4-5","status":"publish","type":"post","link":"https:\/\/forklog.com\/en\/anthropic-unveils-worlds-best-ai-programmer-opus-4-5\/","title":{"rendered":"Anthropic Unveils &#8216;World&#8217;s Best&#8217; AI Programmer Opus 4.5"},"content":{"rendered":"<p>AI startup Anthropic has introduced Claude Opus 4.5, hailed as the &#8220;world&#8217;s best model for coding, agents, and computer use.&#8221;<\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">Introducing Claude Opus 4.5: the best model in the world for coding, agents, and computer use.<\/p>\n<p>Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done. <a href=\"https:\/\/t.co\/mid2Z1qzIf\">pic.twitter.com\/mid2Z1qzIf<\/a><\/p>\n<p>\u2014 Claude (@claudeai) <a href=\"https:\/\/twitter.com\/claudeai\/status\/1993030546243699119?ref_src=twsrc%5Etfw\">November 24, 2025<\/a><\/p><\/blockquote>\n<p> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;Opus 4.5 is a step forward in AI systems&#8217; capabilities and a harbinger of more significant changes in how work is done,&#8221; the company stated.<\/p>\n<\/blockquote>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725-1024x576.png\" alt=\"image\" class=\"wp-image-270438\" srcset=\"https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725-1024x576.png 1024w, https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725-300x169.png 300w, https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725-768x432.png 768w, https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725-1536x864.png 1536w, https:\/\/forklog.com\/wp-content\/uploads\/img-92c690f6f1fef177-10460979248708725.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Comparison of Opus 4.5 with competitors in app creation. Source: Anthropic.<\/figcaption><\/figure>\n<p>The firm noted that the neural network &#8220;handles ambiguity and analyzes trade-offs independently.&#8221;<\/p>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;When faced with a complex multi-system error, it finds a solution on its own. Overall, Opus 4.5 just &#8216;gets it,'&#8221; the developers claimed.<\/p>\n<\/blockquote>\n<p>The company shared a video showing the <span data-descr=\"large language model\" class=\"old_tooltip\">LLM<\/span> solving a puzzle using real-world action capabilities.<\/p>\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Claude Opus 4.5 solves a puzzle game\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/2MJDdzSXL74?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div>\n<\/figure>\n<p>The LLM &#8220;significantly outperforms&#8221; other solutions in everyday tasks such as deep research and working with slides and spreadsheets.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/forklog.com\/wp-content\/uploads\/img-2392c6d3fb84a32d-10461061092977058.webp\" alt=\"image\" class=\"wp-image-270439\"\/><figcaption class=\"wp-element-caption\">Opus 4.5&#8217;s capabilities in programming across various languages. Source: Anthropic.<\/figcaption><\/figure>\n<p>Anthropic also emphasized Opus 4.5&#8217;s high safety standards.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/forklog.com\/wp-content\/uploads\/img-3e9006d2e3dbdb9c-10461072136969590.webp\" alt=\"image\" class=\"wp-image-270440\"\/><figcaption class=\"wp-element-caption\">Analysis of &#8220;alarming behavior&#8221; \u2014 a wide range of inappropriate actions such as undertaking undesirable acts on its own initiative. Source: Anthropic.<\/figcaption><\/figure>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;Our clients often use Claude for critical tasks. They want assurance that in the event of malicious attacks by hackers and cybercriminals, the AI possesses the necessary skills and &#8216;street smarts&#8217; to avoid issues,&#8221; the company blog stated.<\/p>\n<\/blockquote>\n<p>Opus 4.5 has received enhanced memory for long-context operations. These changes have enabled the implementation of an infinite chat feature \u2014 the dialogue can continue uninterrupted even when the model reaches the context window limit. It will compress data without notifying the user.<\/p>\n<p>Opus 4.5 is available across all company applications, on cloud platforms, and via <span data-descr=\"application programming interface\" class=\"old_tooltip\">API<\/span>. The price for developers is $5\/25 per million input and output tokens.<\/p>\n<h2 class=\"wp-block-heading\">New Tools<\/h2>\n<p>Additionally, Anthropic has released three new features that allow AI agents to work more effectively:<\/p>\n<ul class=\"wp-block-list\">\n<li>Tool Search Tool \u2014 gives Claude the ability to use search tools without occupying the context window;<\/li>\n<li>Programmatic Tool Calling \u2014 invokes necessary solutions in the code execution environment;<\/li>\n<li>Tool Use Examples \u2014 provides a universal standard for demonstrating effective use of necessary tools.<\/li>\n<\/ul>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;These features open new possibilities for what you can create with Claude,&#8221; the developers noted.<\/p>\n<\/blockquote>\n<p>In October, Anthropic <a href=\"https:\/\/forklog.com\/en\/news\/anthropic-introduces-browser-based-ai-coder-claude-code\">launched<\/a> a web application for its popular programming assistant Claude Code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anthropic has introduced Claude Opus 4.5, hailed as the &#8220;world&#8217;s best model for coding, agents, and computer use.&#8221;<\/p>\n","protected":false},"author":1,"featured_media":91385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"select":"1","news_style_id":"1","cryptorium_level":"","_short_excerpt_text":"Anthropic unveils Claude Opus 4.5, a leading AI model for coding and more.","creation_source":"","_metatest_mainpost_news_update":false,"footnotes":""},"categories":[3],"tags":[1434,438],"class_list":["post-91384","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-analysis","tag-anthropic","tag-artificial-intelligence"],"aioseo_notices":[],"amp_enabled":true,"views":"134","promo_type":"1","layout_type":"1","short_excerpt":"Anthropic unveils Claude Opus 4.5, a leading AI model for coding and more.","is_update":"","_links":{"self":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/91384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/comments?post=91384"}],"version-history":[{"count":1,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/91384\/revisions"}],"predecessor-version":[{"id":91386,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/posts\/91384\/revisions\/91386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/media\/91385"}],"wp:attachment":[{"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/media?parent=91384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/categories?post=91384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forklog.com\/en\/wp-json\/wp\/v2\/tags?post=91384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}