{"id":554,"date":"2025-04-16T19:04:25","date_gmt":"2025-04-16T19:04:25","guid":{"rendered":"https:\/\/www.pofii.com\/blog\/?p=554"},"modified":"2026-01-11T17:55:37","modified_gmt":"2026-01-11T17:55:37","slug":"1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level","status":"publish","type":"post","link":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/","title":{"rendered":"1M Context Window: New GPT-4.1 Takes AI to the Next Level"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">But there&#8217;s a lot more to unpack\u2014including how much better it is than GPT-4.5, what it costs, and the not-so-great and great news for ChatGPT users.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#What_Is_GPT-41\" >What Is GPT-4.1?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#A_Context_Window_So_Big_It_Changes_Everything\" >A Context Window So Big It Changes Everything<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#What_is_a_1M_context_window\" >What is a 1M context window?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#How_Much_Better_Is_GPT-41_Compared_to_GPT-45\" >How Much Better Is GPT-4.1 Compared to GPT-4.5?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Instruction_Following\" >Instruction Following<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Coding_Abilities\" >Coding Abilities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Speed_Cost\" >Speed &amp; Cost<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Fine-Tuning_Is_Now_Available\" >Fine-Tuning Is Now Available<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#The_Bad_News_Its_Not_Coming_to_ChatGPT\" >The Bad News: It\u2019s Not Coming to ChatGPT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Looking_Ahead_GPT-5_Is_Coming_This_Summer\" >Looking Ahead: GPT-5 Is Coming This Summer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#Final_Thought\" >Final Thought<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-is-gpt-4-1\"><span class=\"ez-toc-section\" id=\"What_Is_GPT-41\"><\/span><strong>What Is GPT-4.1?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/openai.com\/index\/gpt-4-1\/\">GPT-4.1 is OpenAI\u2019s latest series of models, available <strong>only via the API<\/strong>. It includes:<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPT-4.1<\/strong><\/li>\n\n\n\n<li><strong>GPT-4.1 Mini<\/strong><\/li>\n\n\n\n<li><strong>GPT-4.1 Nano<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each version is designed for different use cases\u2014from high-performance tasks to lightweight, real-time applications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-context-window-so-big-it-changes-everything\"><span class=\"ez-toc-section\" id=\"A_Context_Window_So_Big_It_Changes_Everything\"><\/span><strong>A Context Window So Big It Changes Everything<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-1m-context-window\"><span class=\"ez-toc-section\" id=\"What_is_a_1M_context_window\"><\/span>What is a 1M context window?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With a <strong>1 million token context window<\/strong>, GPT-4.1 can handle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Entire books<\/li>\n\n\n\n<li>Large codebases<\/li>\n\n\n\n<li>Long conversations<\/li>\n\n\n\n<li>Legal and financial documents<\/li>\n\n\n\n<li>Multi-hour transcripts<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For perspective, GPT-4 (the ChatGPT version) maxes out at <strong>128k tokens<\/strong>. This upgrade is nearly <strong>8x larger<\/strong>, and miles ahead of what GPT-4.5 could do.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-much-better-is-gpt-4-1-compared-to-gpt-4-5\"><span class=\"ez-toc-section\" id=\"How_Much_Better_Is_GPT-41_Compared_to_GPT-45\"><\/span><strong>How Much Better Is GPT-4.1 Compared to GPT-4.5?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instruction-following\"><span class=\"ez-toc-section\" id=\"Instruction_Following\"><\/span>Instruction Following<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPT-4.1 is 10.5% better at following instructions<\/strong> than GPT-4o.<\/li>\n\n\n\n<li>Compared to GPT-4.5, it\u2019s noticeably more accurate, especially in multi-step reasoning and user alignment.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-coding-abilities\"><span class=\"ez-toc-section\" id=\"Coding_Abilities\"><\/span>Coding Abilities<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>21% better than GPT-4o<\/strong> at solving code problems<\/li>\n\n\n\n<li><strong>27% better than GPT-4.5<\/strong> in coding evaluations<\/li>\n\n\n\n<li>Works better with long, complex code thanks to the extended context<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-speed-amp-cost\"><span class=\"ez-toc-section\" id=\"Speed_Cost\"><\/span>Speed &amp; Cost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Faster<\/strong> than GPT-4.5, making it more viable for real-time apps<\/li>\n\n\n\n<li><strong>Cheaper to run<\/strong>\u2014with pricing as low as:\n<ul class=\"wp-block-list\">\n<li><strong>$2 \/ 1M input tokens<\/strong> (GPT-4.1)<\/li>\n\n\n\n<li><strong>$0.40 \/ 1M input tokens<\/strong> (Mini)<\/li>\n\n\n\n<li><strong>$0.10 \/ 1M input tokens<\/strong> (Nano)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">GPT-4.1 also supports <strong>token caching<\/strong>, bringing costs down even further for repeated inputs.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fine-tuning-is-now-available\"><span class=\"ez-toc-section\" id=\"Fine-Tuning_Is_Now_Available\"><\/span><strong>Fine-Tuning Is Now Available<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You can now <strong>fine-tune GPT-4.1 and GPT-4.1 Mini<\/strong>, giving teams control to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Customize tone, domain language, or format<\/li>\n\n\n\n<li>Optimize performance for specific industries<\/li>\n\n\n\n<li>Deploy tailored AI that stays on brand and on task<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-bad-news-it-s-not-coming-to-chatgpt\"><span class=\"ez-toc-section\" id=\"The_Bad_News_Its_Not_Coming_to_ChatGPT\"><\/span><strong>The Bad News: It\u2019s Not Coming to ChatGPT<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sadly, GPT-4.1 <strong>won\u2019t be available inside ChatGPT<\/strong> (at least not yet). The current GPT-4 in ChatGPT is actually a variant of GPT-4o and still runs on a <strong>128k context limit<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So unless you\u2019re building through the <strong>OpenAI API<\/strong> or <strong>Azure AI<\/strong>, you won\u2019t be able to test drive GPT-4.1 directly in ChatGPT.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-looking-ahead-gpt-5-is-coming-this-summer\"><span class=\"ez-toc-section\" id=\"Looking_Ahead_GPT-5_Is_Coming_This_Summer\"><\/span><strong>Looking Ahead: GPT-5 Is Coming This Summer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If GPT-4.1 feels like a massive leap, it\u2019s because it is\u2014but it\u2019s also a signal. <strong>GPT-4.5 is already being phased out<\/strong>, with OpenAI officially ending support by <strong>July 14, 2025<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s clear now: <strong>GPT-4.5 was just a transitional model<\/strong>, and GPT-4.1 is the real upgrade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But the big one is still coming\u2014<strong>GPT-5 is expected to launch this summer<\/strong>, and if GPT-4.1 is any hint, it\u2019s going to be another major shake-up in the AI world.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-final-thought\"><span class=\"ez-toc-section\" id=\"Final_Thought\"><\/span><strong>Final Thought<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPT-4.1 brings insane power to developers and teams through the API. The 1M context window alone opens doors we couldn\u2019t walk through before. And while ChatGPT users will have to wait, summer might just bring something even bigger.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>GPT-4.5 who?<\/strong> Blink and you missed it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenAI just released GPT-4.1, and it&#8217;s a serious upgrade from everything before it. The biggest headline? A 1 million token context window, crushing previous limits and opening the door to much more powerful applications.<\/p>\n","protected":false},"author":5,"featured_media":555,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[156],"tags":[194,198,200,196],"class_list":["post-554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","tag-ai","tag-chatgpt","tag-gpt","tag-openai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1M Context Window: New GPT-4.1 Takes AI to the Next Level - Pofii Insights<\/title>\n<meta name=\"description\" content=\"OpenAI&#039;s GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1M Context Window: New GPT-4.1 Takes AI to the Next Level\" \/>\n<meta property=\"og:description\" content=\"OpenAI&#039;s GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\" \/>\n<meta property=\"og:site_name\" content=\"Pofii Insights\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PofiiCOM\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-16T19:04:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-11T17:55:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"John Cavil\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PofiiGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@PofiiGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"John Cavil\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\"},\"author\":{\"name\":\"John Cavil\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/82dd56bd4b7d1ae512907145b3a68873\"},\"headline\":\"1M Context Window: New GPT-4.1 Takes AI to the Next Level\",\"datePublished\":\"2025-04-16T19:04:25+00:00\",\"dateModified\":\"2026-01-11T17:55:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\"},\"wordCount\":479,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg\",\"keywords\":[\"AI\",\"ChatGPT\",\"GPT\",\"OpenAI\"],\"articleSection\":[\"AI\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\",\"url\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\",\"name\":\"1M Context Window: New GPT-4.1 Takes AI to the Next Level - Pofii Insights\",\"isPartOf\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg\",\"datePublished\":\"2025-04-16T19:04:25+00:00\",\"dateModified\":\"2026-01-11T17:55:37+00:00\",\"description\":\"OpenAI's GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage\",\"url\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg\",\"contentUrl\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg\",\"width\":2560,\"height\":1707,\"caption\":\"GPT on phone\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/nl.pofii.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"1M Context Window: New GPT-4.1 Takes AI to the Next Level\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#website\",\"url\":\"https:\/\/www.pofii.com\/blog\/\",\"name\":\"Pofii\",\"description\":\"Success Simplified.\",\"publisher\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pofii.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#organization\",\"name\":\"Pofii\",\"url\":\"https:\/\/www.pofii.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-cropped-pofiiinsights-2.png\",\"contentUrl\":\"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-cropped-pofiiinsights-2.png\",\"width\":2079,\"height\":221,\"caption\":\"Pofii\"},\"image\":{\"@id\":\"https:\/\/www.pofii.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/PofiiCOM\",\"https:\/\/x.com\/PofiiGlobal\",\"https:\/\/www.instagram.com\/PofiiGlobal\",\"https:\/\/www.linkedin.com\/company\/Pofii\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/82dd56bd4b7d1ae512907145b3a68873\",\"name\":\"John Cavil\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.pofii.com\/brand\/logo-icon-circle-friendly.png\",\"contentUrl\":\"https:\/\/www.pofii.com\/brand\/logo-icon-circle-friendly.png\",\"caption\":\"John Cavil\"},\"description\":\"WordPress Expert, Head of technical support at Pofii Ltd.\",\"sameAs\":[\"https:\/\/www.pofii.com\/blog\/author\/JohnC\"],\"url\":\"https:\/\/www.pofii.com\/blog\/author\/johnc\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"1M Context Window: New GPT-4.1 Takes AI to the Next Level - Pofii Insights","description":"OpenAI's GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/","og_locale":"en_US","og_type":"article","og_title":"1M Context Window: New GPT-4.1 Takes AI to the Next Level","og_description":"OpenAI's GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.","og_url":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/","og_site_name":"Pofii Insights","article_publisher":"https:\/\/www.facebook.com\/PofiiCOM","article_published_time":"2025-04-16T19:04:25+00:00","article_modified_time":"2026-01-11T17:55:37+00:00","og_image":[{"width":2560,"height":1707,"url":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg","type":"image\/jpeg"}],"author":"John Cavil","twitter_card":"summary_large_image","twitter_creator":"@PofiiGlobal","twitter_site":"@PofiiGlobal","twitter_misc":{"Written by":"John Cavil","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#article","isPartOf":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/"},"author":{"name":"John Cavil","@id":"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/82dd56bd4b7d1ae512907145b3a68873"},"headline":"1M Context Window: New GPT-4.1 Takes AI to the Next Level","datePublished":"2025-04-16T19:04:25+00:00","dateModified":"2026-01-11T17:55:37+00:00","mainEntityOfPage":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/"},"wordCount":479,"commentCount":0,"publisher":{"@id":"https:\/\/www.pofii.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg","keywords":["AI","ChatGPT","GPT","OpenAI"],"articleSection":["AI"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/","url":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/","name":"1M Context Window: New GPT-4.1 Takes AI to the Next Level - Pofii Insights","isPartOf":{"@id":"https:\/\/www.pofii.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage"},"image":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg","datePublished":"2025-04-16T19:04:25+00:00","dateModified":"2026-01-11T17:55:37+00:00","description":"OpenAI's GPT-4.1 launches with a 1M token context window, beating GPT-4.5 in coding, speed, and cost. Find out what\u2019s new and what\u2019s next.","breadcrumb":{"@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#primaryimage","url":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg","contentUrl":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2025\/04\/pexels-sanketgraphy-16629368-scaled.jpg","width":2560,"height":1707,"caption":"GPT on phone"},{"@type":"BreadcrumbList","@id":"https:\/\/www.pofii.com\/blog\/1m-context-window-new-gpt-4-1-takes-ai-to-the-next-level\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nl.pofii.com\/blog\/"},{"@type":"ListItem","position":2,"name":"1M Context Window: New GPT-4.1 Takes AI to the Next Level"}]},{"@type":"WebSite","@id":"https:\/\/www.pofii.com\/blog\/#website","url":"https:\/\/www.pofii.com\/blog\/","name":"Pofii","description":"Success Simplified.","publisher":{"@id":"https:\/\/www.pofii.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.pofii.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.pofii.com\/blog\/#organization","name":"Pofii","url":"https:\/\/www.pofii.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pofii.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-cropped-pofiiinsights-2.png","contentUrl":"https:\/\/www.pofii.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-cropped-pofiiinsights-2.png","width":2079,"height":221,"caption":"Pofii"},"image":{"@id":"https:\/\/www.pofii.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/PofiiCOM","https:\/\/x.com\/PofiiGlobal","https:\/\/www.instagram.com\/PofiiGlobal","https:\/\/www.linkedin.com\/company\/Pofii"]},{"@type":"Person","@id":"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/82dd56bd4b7d1ae512907145b3a68873","name":"John Cavil","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pofii.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/www.pofii.com\/brand\/logo-icon-circle-friendly.png","contentUrl":"https:\/\/www.pofii.com\/brand\/logo-icon-circle-friendly.png","caption":"John Cavil"},"description":"WordPress Expert, Head of technical support at Pofii Ltd.","sameAs":["https:\/\/www.pofii.com\/blog\/author\/JohnC"],"url":"https:\/\/www.pofii.com\/blog\/author\/johnc\/"}]}},"_links":{"self":[{"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/posts\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/comments?post=554"}],"version-history":[{"count":1,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/posts\/554\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/posts\/554\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/media\/555"}],"wp:attachment":[{"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/media?parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/categories?post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pofii.com\/blog\/wp-json\/wp\/v2\/tags?post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}