{"id":268632,"date":"2026-05-26T09:00:00","date_gmt":"2026-05-26T08:00:00","guid":{"rendered":"https:\/\/www.artera.net\/uncategorized\/open-and-multimodal-ai-models-in-2026-a-practical-guide-to-choosing-the-right-one-for-real\/"},"modified":"2026-05-12T09:05:28","modified_gmt":"2026-05-12T08:05:28","slug":"open-ai-models","status":"publish","type":"post","link":"https:\/\/www.artera.net\/en\/curiosita-dal-web\/open-ai-models\/","title":{"rendered":"Open and Multimodal AI Models in 2026: A Practical Guide to Choosing the Right One for Real"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In recent months, the world of open AI models has changed dramatically. Until not long ago, the question was \u201cwhich model is the best?\u201d Today, the reality is more interesting, but also more complex: there is no longer a single answer.&#13;\n<\/p>\n\n<p class=\"wp-block-paragraph\">The right choice depends on what you need to do, how much you want to spend, the hardware you have available, and the level of quality you require. An enterprise assistant, an automated blogging system, a developer copilot, or a RAG pipeline all have very different needs.<\/p>\n\n<p class=\"wp-block-paragraph\">In this article, we\u2019ll bring some clarity to the topic. We\u2019ll look at the most relevant models available today, explain the main terminology, and most importantly, understand when it truly makes sense to use each of these tools.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Let\u2019s start with the basics: the terms and acronyms you need to know<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">To navigate this landscape, it\u2019s essential to understand a few key acronyms that appear everywhere.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>LLM<\/strong> stands for Large Language Model, meaning models trained on massive amounts of text to generate content, code, and reasoning.<\/li>\n\n\n\n<li><strong>MoE<\/strong> stands for Mixture of Experts. It is an intelligent architecture where only a portion of the model is activated at any given time. This makes it possible to build very large models while keeping costs and resource consumption lower.<\/li>\n\n\n\n<li><strong>VRAM<\/strong> is the memory available on a GPU. It is the real limiting factor when you want to run models locally or on-premise.<\/li>\n\n\n\n<li><strong>RAG<\/strong> stands for Retrieval Augmented Generation. In practice, it is a system that combines document retrieval with AI-generated responses, and it is widely used in enterprise environments.<\/li>\n\n\n\n<li><strong>Embeddings<\/strong> are numerical representations of text, essential for performing semantic search.<\/li>\n\n\n\n<li><strong>Reranker<\/strong> is a model that improves result quality by selecting the most relevant outputs.<\/li>\n\n\n\n<li><strong>VLM<\/strong> stands for Vision-Language Model, referring to models that can work with both text and images.<\/li>\n\n\n\n<li><strong>OCR<\/strong> stands for Optical Character Recognition and is used to extract text from PDFs or images.<\/li>\n\n\n\n<li><strong>STT<\/strong> stands for Speech-to-Text, meaning the process of converting audio into text.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Once you understand these basics, everything else becomes much easier to follow.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>The most powerful models today: when you need maximum performance<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">If you\u2019re looking for the highest level of quality for assistants, agents, and complex reasoning, today the benchmark is GPT OSS 120B. It is a model designed to handle advanced tasks, use tools, work with structured data, and tackle complex problems.<\/p>\n\n<p class=\"wp-block-paragraph\">This is the kind of model that makes sense when you need to build something serious, not just a chatbot. For example, an assistant that queries databases, reads documents, and makes decisions across multiple steps.<\/p>\n\n<p class=\"wp-block-paragraph\">Very close behind, we find Mistral Small 4 119B, which adds a strong multimodal component. If you need to work with images, long documents, or very large context windows, it is an extremely compelling choice.<\/p>\n\n<p class=\"wp-block-paragraph\">Qwen3.5 122B completes this group. It is particularly strong when visual and video content come into play, making it perfect for applications where text alone is not enough.<\/p>\n\n<p class=\"wp-block-paragraph\">These models are currently the closest to the capabilities of proprietary systems, but with the advantage of being fully controllable and integrable within enterprise environments.<\/p>\n\n<p class=\"wp-block-paragraph\">The mid-range segment: where business really happens<br\/><br\/>In practice, however, most projects do not need a massive model. What they need is something reliable, sustainable, and scalable.<\/p>\n\n<p class=\"wp-block-paragraph\">This is where GPT OSS 20B comes into play. It is probably one of the best compromises available today. It offers reasoning capabilities, tool usage, and strong overall quality, but with far more manageable costs and hardware requirements.<\/p>\n\n<p class=\"wp-block-paragraph\">Mistral Small 3.2 24B is another very solid choice, especially when stability in production is required. It follows instructions accurately, integrates well with backend systems, and behaves in a predictable way.<\/p>\n\n<p class=\"wp-block-paragraph\">Then there\u2019s Qwen3.5 9B, which is surprisingly capable given its limited resource requirements. It is one of the most interesting models when you want to bring AI into environments with modest hardware without sacrificing too much quality. This is the segment that, in most real-world scenarios, truly delivers value for businesses.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Coding and development: you need a specialist<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">When it comes to software development, the logic changes.<\/p>\n\n<p class=\"wp-block-paragraph\">Qwen3 Coder Next is designed specifically for this purpose. It is built to read, write, and modify code, work on large projects, and support complex development workflows.<\/p>\n\n<p class=\"wp-block-paragraph\">General-purpose models are still valuable, especially when coding overlaps with analysis and system design, but a specialized model is often more efficient and focused.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Lightweight models are far from obsolete<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">A common mistake is thinking that only large models truly matter. In reality, smaller models are essential in many different scenarios.<\/p>\n\n<p class=\"wp-block-paragraph\">Llama 3.1 8B is perfect for fast chatbots, web integrations, and real-time applications. Llama 3.3 70B offers higher quality while still remaining a strong compromise for those who want a general-purpose model without stepping into the complexity of top-tier systems. When speed and cost efficiency matter, these models are often the best choice.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>RAG, documents, audio: the real game is in the architecture<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">One of the most important, and often underestimated, points is that today, choosing a model is not enough. To build solid solutions, you need a proper architecture.<br\/><br\/>In the case of RAG, for example, a strong system starts with embedding models such as Qwen3 Embedding 8B, which transform content into representations optimized for search. Then a reranker like Qwen3 Reranker 4B comes into play, improving the quality and relevance of the retrieved results.<br\/><br\/>Only after these steps does the main model step in to generate the final response.<\/p>\n\n<p class=\"wp-block-paragraph\">To work with PDFs and complex documents, an OCR model such as DeepSeek OCR 2 is essential.<br\/><br\/>For audio processing, faster-whisper large v3 is a highly efficient solution for transcription tasks.<br\/><br\/>For images, models like Qwen Image cover the creative generation side.<\/p>\n\n<p class=\"wp-block-paragraph\">In other words, the model is only one part of the system.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>How to choose the right one, for real<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">If you need to build an advanced assistant or a high-level automated blogging system, it makes sense to look at larger models such as GPT OSS 120B or Mistral Small 4.<\/p>\n\n<p class=\"wp-block-paragraph\">If, on the other hand, you want a system that is efficient and sustainable, GPT OSS 20B or Mistral 24B are often the smartest choice.<\/p>\n\n<p class=\"wp-block-paragraph\">If you are working on RAG, you need to think in terms of a complete stack, not a single model.<\/p>\n\n<p class=\"wp-block-paragraph\">If you have compliance requirements or operate in regulated industries, models like Apertus 70B become particularly interesting.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>The real difference today<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">The key point is simple but fundamental: there is no longer a single \u201cbest\u201d model. There is only the right model for your specific problem. In day-to-day work with companies, we increasingly see that success does not depend on maximum power, but on the ability to choose and integrate the technology in the right way.<\/p>\n\n<p class=\"wp-block-paragraph\">A model that is too large risks becoming impractical. One that is too small can quickly become a limitation. The real difference lies in the balance between quality, cost, and integration into real business processes. And this is exactly where the true AI challenge for enterprises is being played today.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In recent months, the world of open AI models has changed dramatically. Until not long ago, the question was \u201cwhich model is the best?\u201d Today, the reality is more interesting, but also more complex: there is no longer a single answer.&#13; The right choice depends on what you need to do, how much you want [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":268603,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[687,686],"tags":[],"class_list":["post-268632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosita-dal-web","category-informatica-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u2022 Modelli AI<\/title>\n<meta name=\"description\" content=\"Leggi dal blog: Open and Multimodal AI Models in 2026: A Practical Guide to Choosing the Right One for Real.\" \/>\n<meta name=\"robots\" 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Ravera","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/618f2c20338bb422bd317eae8d6c9c097ba85d3f5a1da18e21ecf5da5ee3a448?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/618f2c20338bb422bd317eae8d6c9c097ba85d3f5a1da18e21ecf5da5ee3a448?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/618f2c20338bb422bd317eae8d6c9c097ba85d3f5a1da18e21ecf5da5ee3a448?s=96&d=mm&r=g","caption":"Sergio Ravera"},"description":"Raised in a family tradition of merchants, my entrepreneurial spirit drove me to launch my first e-commerce venture in 1998. My vision and dedication led, in 2002, to the founding of Artera, now a leading brand in premium managed cloud hosting services. As Chief Executive Officer, I lead DHH Switzerland SA, part of the international DHH S.p.A. group, listed on the Milan Stock Exchange with the reference code (AIM \u2013 ISIN: IT0005203622). It is under this brand that the Artera brand continues to grow and thrive. In addition to my commitment to the business world, I am an active researcher in the field of new technologies, always fascinated by cutting-edge innovations in the industry.","sameAs":["https:\/\/www.linkedin.com\/in\/sergioravera\/"],"url":"https:\/\/www.artera.net\/en\/author\/sergio-ravera\/"}]}},"_links":{"self":[{"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/posts\/268632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/comments?post=268632"}],"version-history":[{"count":2,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/posts\/268632\/revisions"}],"predecessor-version":[{"id":268635,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/posts\/268632\/revisions\/268635"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/media\/268603"}],"wp:attachment":[{"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/media?parent=268632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/categories?post=268632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.artera.net\/en\/wp-json\/wp\/v2\/tags?post=268632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}