List of the Top 24 Large Language Models for Stack AI in 2025

Vertex AI's Large Language Models (LLMs) empower organizations to tackle intricate natural language processing challenges, including generating text, summarizing content, and analyzing sentiment. These advanced models, built on extensive datasets and innovative methodologies, possess the ability to comprehend context and produce responses that closely resemble human language. Vertex AI provides flexible options for training, refinement, and implementation of LLMs tailored to specific business requirements. New users can take advantage of $300 in complimentary credits to discover the capabilities of LLMs within their applications. By leveraging these models, companies can elevate their text-centric AI services and enhance their engagement with customers.

ChatGPT, developed by OpenAI, is a sophisticated language model that generates coherent and contextually appropriate replies by drawing from a wide selection of internet text. Its extensive training equips it to tackle a multitude of tasks in natural language processing, such as engaging in dialogues, responding to inquiries, and producing text in diverse formats. Leveraging deep learning algorithms, ChatGPT employs a transformer architecture that has demonstrated remarkable efficiency in numerous NLP tasks. Additionally, the model can be customized for specific applications, such as language translation, text categorization, and answering questions, allowing developers to create advanced NLP systems with greater accuracy. Besides its text generation capabilities, ChatGPT is also capable of interpreting and writing code, highlighting its adaptability in managing various content types. This broad range of functionalities not only enhances its utility but also paves the way for innovative integrations into an array of technological solutions. The ongoing advancements in AI technology are likely to further elevate the capabilities of models like ChatGPT, making them even more integral to our everyday interactions with machines.

OpenAI is committed to ensuring that artificial general intelligence (AGI)—characterized by its ability to perform most tasks that are economically important with a level of autonomy that surpasses human capabilities—benefits all of humanity. Our primary goal is to create AGI that is both safe and beneficial; however, we also view our mission as a success if we empower others to reach this same objective. You can take advantage of our API for numerous language-based functions, such as semantic search, summarization, sentiment analysis, content generation, translation, and much more, all achievable with just a few examples or a clear instruction in English. A simple integration gives you access to our ever-evolving AI technology, enabling you to test the API's features through these sample completions and uncover a wide array of potential uses. As you explore, you may find innovative ways to harness this technology for your projects or business needs.

Our models are crafted to understand and generate natural language effectively. We offer four main models, each designed with different complexities and speeds to meet a variety of needs. Among these options, Davinci emerges as the most robust, while Ada is known for its remarkable speed. The principal GPT-3 models are mainly focused on the text completion endpoint, yet we also provide specific models that are fine-tuned for other endpoints. Not only is Davinci the most advanced in its lineup, but it also performs tasks with minimal direction compared to its counterparts. For tasks that require a nuanced understanding of content, like customized summarization and creative writing, Davinci reliably produces outstanding results. Nevertheless, its superior capabilities come at the cost of requiring more computational power, which leads to higher expenses per API call and slower response times when compared to other models. Consequently, the choice of model should align with the particular demands of the task in question, ensuring optimal performance for the user's needs. Ultimately, understanding the strengths and limitations of each model is essential for achieving the best results.

The fourth iteration of the Generative Pre-trained Transformer, known as GPT-4, is an advanced language model expected to be launched by OpenAI. As the next generation following GPT-3, it is part of the series of models designed for natural language processing and has been built on an extensive dataset of 45TB of text, allowing it to produce and understand language in a way that closely resembles human interaction. Unlike traditional natural language processing models, GPT-4 does not require additional training on specific datasets for particular tasks. It generates responses and creates context solely based on its internal mechanisms. This remarkable capacity enables GPT-4 to perform a wide range of functions, including translation, summarization, answering questions, sentiment analysis, and more, all without the need for specialized training for each task. The model’s ability to handle such a variety of applications underscores its significant potential to influence advancements in artificial intelligence and natural language processing fields. Furthermore, as it continues to evolve, GPT-4 may pave the way for even more sophisticated applications in the future.

The GPT-3.5 series signifies a significant leap forward in OpenAI's development of large language models, enhancing the features introduced by its predecessor, GPT-3. These models are adept at understanding and generating text that closely resembles human writing, with four key variations catering to different user needs. The fundamental models of GPT-3.5 are designed for use via the text completion endpoint, while other versions are fine-tuned for specific functionalities. Notably, the Davinci model family is recognized as the most powerful variant, adept at performing any task achievable by the other models, generally requiring less detailed guidance from users. In scenarios demanding a nuanced grasp of context, such as creating audience-specific summaries or producing imaginative content, the Davinci model typically delivers exceptional results. Nonetheless, this increased capability does come with higher resource demands, resulting in elevated costs for API access and slower processing times compared to its peers. The innovations brought by GPT-3.5 not only enhance overall performance but also broaden the scope for diverse applications, making them even more versatile for users across various industries. As a result, these advancements hold the potential to reshape how individuals and organizations interact with AI-driven text generation.

Mistral AI is recognized as a pioneering startup in the field of artificial intelligence, with a particular emphasis on open-source generative technologies. The company offers a wide range of customizable, enterprise-grade AI solutions that can be deployed across multiple environments, including on-premises, cloud, edge, and individual devices. Notable among their offerings are "Le Chat," a multilingual AI assistant designed to enhance productivity in both personal and business contexts, and "La Plateforme," a resource for developers that streamlines the creation and implementation of AI-powered applications. Mistral AI's unwavering dedication to transparency and innovative practices has enabled it to carve out a significant niche as an independent AI laboratory, where it plays an active role in the evolution of open-source AI while also influencing relevant policy conversations. By championing the development of an open AI ecosystem, Mistral AI not only contributes to technological advancements but also positions itself as a leading voice within the industry, shaping the future of artificial intelligence. This commitment to fostering collaboration and openness within the AI community further solidifies its reputation as a forward-thinking organization.

Claude exemplifies an advanced AI language model designed to comprehend and generate text that closely mirrors human communication. Anthropic is an institution focused on the safety and research of artificial intelligence, striving to create AI systems that are reliable, understandable, and controllable. Although modern large-scale AI systems bring significant benefits, they also introduce challenges like unpredictability and opacity; therefore, our aim is to address these issues head-on. At present, our main focus is on progressing research to effectively confront these challenges; however, we foresee a wealth of opportunities in the future where our initiatives could provide both commercial success and societal improvements. As we forge ahead, we remain dedicated to enhancing the safety, functionality, and overall user experience of AI technologies, ensuring they serve humanity's best interests.

The Claude 3.5 Sonnet introduces a remarkable benchmark in the realm of graduate-level reasoning (GPQA), undergraduate knowledge (MMLU), and coding abilities (HumanEval). This model showcases impressive improvements in grasping nuances, wit, and complex instructions, thriving in generating top-notch content that remains both authentic and engaging. Significantly, Claude 3.5 Sonnet operates at twice the speed of its earlier version, Claude 3 Opus, leading to superior efficiency and performance. This boost in operational speed, combined with its cost-effective pricing, makes Claude 3.5 Sonnet an outstanding choice for tackling intricate tasks, including context-sensitive customer support and orchestrating multi-step processes. It is freely available on Claude.ai and the Claude iOS app, with additional perks for subscribers of the Claude Pro and Team plans, such as elevated rate limits. Additionally, users can access the model through the Anthropic API, Amazon Bedrock, and Google Cloud's Vertex AI, which come with a pricing structure of $3 per million input tokens and $15 per million output tokens. With a generous context window of 200K tokens, the extensive capabilities of Claude 3.5 Sonnet render it an invaluable resource for businesses and developers, ensuring they can leverage advanced AI for a variety of applications. Its versatility and robust performance make it an essential tool in the competitive landscape of AI technology.

Opus stands out as our leading model, outpacing rival systems across a variety of key metrics used to evaluate artificial intelligence, such as the assessment of undergraduate-level expertise (MMLU), graduate reasoning capabilities (GPQA), and essential mathematics skills (GSM8K), among others. Its exceptional performance is akin to human understanding and fluency when tackling complex challenges, placing it at the cutting edge of developments in general intelligence. Additionally, all Claude 3 models exhibit improved proficiency in analysis and forecasting, advanced content generation, coding, and conversing in multiple languages beyond English, including Spanish, Japanese, and French, highlighting their adaptability in communication. This remarkable versatility not only enhances user interaction but also broadens the potential applications of these models in diverse fields.

Claude 3.7 Sonnet, developed by Anthropic, exemplifies a cutting-edge AI model that combines rapid responses with deep analytical thinking. This innovative model allows users to toggle between quick, efficient answers and more reflective, in-depth responses, making it particularly well-equipped to handle complex issues. By allowing Claude to ponder before replying, it showcases an impressive ability to tackle tasks requiring sophisticated reasoning and a rich understanding of context. Its potential for enhanced cognitive engagement significantly improves various endeavors, such as programming, natural language understanding, and tasks that necessitate critical analysis. Available on various platforms, Claude 3.7 Sonnet acts as a powerful asset for professionals and companies seeking a flexible and high-performing AI solution. The adaptability of this AI model ensures it can be utilized in many disciplines, thus becoming an essential tool for individuals aiming to boost their problem-solving skills. Additionally, its user-friendly interface and accessibility further contribute to its appeal as a go-to resource in the ever-evolving landscape of artificial intelligence.

Claude Pro is an advanced language model designed to handle complex tasks with a friendly and engaging demeanor. Built on a foundation of extensive, high-quality data, it excels at understanding context, identifying nuanced differences, and producing well-structured, coherent responses across a wide range of topics. Leveraging its strong reasoning skills and an enriched knowledge base, Claude Pro can create detailed reports, craft imaginative content, summarize lengthy documents, and assist with programming challenges. Its continually evolving algorithms enhance its ability to learn from feedback, ensuring that the information it provides remains accurate, reliable, and helpful. Whether serving professionals in search of specialized guidance or individuals who require quick and insightful answers, Claude Pro delivers a versatile and effective conversational experience, solidifying its position as a valuable resource for those seeking information or assistance. Ultimately, its adaptability and user-focused design make it an indispensable tool in a variety of scenarios.

We are excited to unveil our fastest model to date, offering advanced coding abilities, effective tool integration, and enhanced reasoning at an attractive price point. The Claude 3.5 Haiku symbolizes a significant upgrade in our speed-focused models, maintaining the rapid pace set by Claude 3 Haiku while improving performance across all areas of expertise and surpassing the previous generation's largest model, Claude 3 Opus, in multiple intelligence evaluations. Originally released as a text-only model, Claude 3.5 Haiku is now available via our first-party API, Amazon Bedrock, and Google Cloud’s Vertex AI, with future plans for incorporating image input capabilities. This remarkable development marks a substantial technological advancement, broadening the scope of opportunities for users across diverse sectors and enhancing their overall experience.

Mistral 7B is a cutting-edge language model boasting 7.3 billion parameters, which excels in various benchmarks, even surpassing larger models such as Llama 2 13B. It employs advanced methods like Grouped-Query Attention (GQA) to enhance inference speed and Sliding Window Attention (SWA) to effectively handle extensive sequences. Available under the Apache 2.0 license, Mistral 7B can be deployed across multiple platforms, including local infrastructures and major cloud services. Additionally, a unique variant called Mistral 7B Instruct has demonstrated exceptional abilities in task execution, consistently outperforming rivals like Llama 2 13B Chat in certain applications. This adaptability and performance make Mistral 7B a compelling choice for both developers and researchers seeking efficient solutions. Its innovative features and strong results highlight the model's potential impact on natural language processing projects.

We are excited to unveil Mistral NeMo, our latest and most sophisticated small model, boasting an impressive 12 billion parameters and a vast context length of 128,000 tokens, all available under the Apache 2.0 license. In collaboration with NVIDIA, Mistral NeMo stands out in its category for its exceptional reasoning capabilities, extensive world knowledge, and coding skills. Its architecture adheres to established industry standards, ensuring it is user-friendly and serves as a smooth transition for those currently using Mistral 7B. To encourage adoption by researchers and businesses alike, we are providing both pre-trained base models and instruction-tuned checkpoints, all under the Apache license. A remarkable feature of Mistral NeMo is its quantization awareness, which enables FP8 inference while maintaining high performance levels. Additionally, the model is well-suited for a range of global applications, showcasing its ability in function calling and offering a significant context window. When benchmarked against Mistral 7B, Mistral NeMo demonstrates a marked improvement in comprehending and executing intricate instructions, highlighting its advanced reasoning abilities and capacity to handle complex multi-turn dialogues. Furthermore, its design not only enhances its performance but also positions it as a formidable option for multi-lingual tasks, ensuring it meets the diverse needs of various use cases while paving the way for future innovations.

On September 17, 2024, Mistral AI announced a series of important enhancements aimed at making their AI products more accessible and efficient. Among these advancements, they introduced a free tier on "La Plateforme," their serverless platform that facilitates the tuning and deployment of Mistral models as API endpoints, enabling developers to experiment and create without any cost. Additionally, Mistral AI implemented significant price reductions across their entire model lineup, featuring a striking 50% reduction for Mistral Nemo and an astounding 80% decrease for Mistral Small and Codestral, making sophisticated AI solutions much more affordable for a larger audience. Furthermore, the company unveiled Mistral Small v24.09, a model boasting 22 billion parameters, which offers an excellent balance between performance and efficiency, suitable for a range of applications such as translation, summarization, and sentiment analysis. They also launched Pixtral 12B, a vision-capable model with advanced image understanding functionalities, available for free on "Le Chat," which allows users to analyze and caption images while ensuring strong text-based performance. These updates not only showcase Mistral AI's dedication to enhancing their offerings but also underscore their mission to make cutting-edge AI technology accessible to developers across the globe. This commitment to accessibility and innovation positions Mistral AI as a leader in the AI industry.

Grok is an innovative artificial intelligence that draws inspiration from the Hitchhiker’s Guide to the Galaxy, designed to handle a diverse range of questions while also encouraging users to think critically through stimulating inquiries. Its talent for providing responses that incorporate humor and a touch of irreverence makes Grok unsuitable for individuals who prefer a more serious tone in their interactions. A notable characteristic of Grok is its ability to access live data via the 𝕏 platform, enabling it to address daring and unconventional queries that other AI systems may avoid. This feature not only broadens its adaptability but also guarantees that users receive answers that are both immediate and captivating. As a result, Grok stands out as a unique option for those seeking a blend of entertainment and information in their AI interactions.

Mistral Large is the flagship language model developed by Mistral AI, designed for advanced text generation and complex multilingual reasoning tasks including text understanding, transformation, and software code creation. It supports various languages such as English, French, Spanish, German, and Italian, enabling it to effectively navigate grammatical complexities and cultural subtleties. With a remarkable context window of 32,000 tokens, Mistral Large can accurately retain and reference information from extensive documents. Its proficiency in following precise instructions and invoking built-in functions significantly aids in application development and the modernization of technology infrastructures. Accessible through Mistral's platform, Azure AI Studio, and Azure Machine Learning, it also provides an option for self-deployment, making it suitable for sensitive applications. Benchmark results indicate that Mistral Large excels in performance, ranking as the second-best model worldwide available through an API, closely following GPT-4, which underscores its strong position within the AI sector. This blend of features and capabilities positions Mistral Large as an essential resource for developers aiming to harness cutting-edge AI technologies effectively. Moreover, its adaptable nature allows it to meet diverse industry needs, further enhancing its appeal as a versatile AI solution.

Mistral Saba is a sophisticated model featuring 24 billion parameters, developed from meticulously curated datasets originating from the Middle East and South Asia. It surpasses the performance of larger models—those exceeding five times its parameter count—by providing accurate and relevant responses while being remarkably faster and more economical. Moreover, it acts as a solid foundation for the development of highly tailored regional applications. Users can access this model via an API, and it can also be deployed locally, addressing specific security needs of customers. Like the newly launched Mistral Small 3, it is designed to be lightweight enough for operation on single-GPU systems, achieving impressive response rates of over 150 tokens per second. Mistral Saba embodies the rich cultural interconnections between the Middle East and South Asia, offering support for Arabic as well as a variety of Indian languages, with particular expertise in South Indian dialects such as Tamil. This broad linguistic capability enhances its flexibility for multinational use in these interconnected regions. Furthermore, the architecture of the model promotes seamless integration into a wide array of platforms, significantly improving its applicability across various sectors and ensuring that it meets the diverse needs of its users.

Mistral AI has unveiled the Mistral Large 2, an advanced AI model engineered to perform exceptionally well across various fields, including code generation, multilingual comprehension, and complex reasoning tasks. Boasting a remarkable 128k context window, this model supports a vast selection of languages such as English, French, Spanish, and Arabic, as well as more than 80 programming languages. Tailored for high-throughput single-node inference, Mistral Large 2 is ideal for applications that demand substantial context management. Its outstanding performance on benchmarks like MMLU, alongside enhanced abilities in code generation and reasoning, ensures both precision and effectiveness in outcomes. Moreover, the model is equipped with improved function calling and retrieval functionalities, which are especially advantageous for intricate business applications. This versatility positions Mistral Large 2 as a formidable asset for developers and enterprises eager to harness cutting-edge AI technologies for innovative solutions, ultimately driving efficiency and productivity in their operations.

Mistral Small 3.1 is an advanced, multimodal, and multilingual AI model that has been made available under the Apache 2.0 license. Building upon the previous Mistral Small 3, this updated version showcases improved text processing abilities and enhanced multimodal understanding, with the capacity to handle an extensive context window of up to 128,000 tokens. It outperforms comparable models like Gemma 3 and GPT-4o Mini, reaching remarkable inference rates of 150 tokens per second. Designed for versatility, Mistral Small 3.1 excels in various applications, including instruction adherence, conversational interaction, visual data interpretation, and executing functions, making it suitable for both commercial and individual AI uses. Its efficient architecture allows it to run smoothly on hardware configurations such as a single RTX 4090 or a Mac with 32GB of RAM, enabling on-device operations. Users have the option to download the model from Hugging Face and explore its features via Mistral AI's developer playground, while it is also embedded in services like Google Cloud Vertex AI and accessible on platforms like NVIDIA NIM. This extensive flexibility empowers developers to utilize its advanced capabilities across a wide range of environments and applications, thereby maximizing its potential impact in the AI landscape. Furthermore, Mistral Small 3.1's innovative design ensures that it remains adaptable to future technological advancements.

Leverage advanced coding and linguistic models across a wide range of applications. Tap into the capabilities of extensive generative AI models that offer a profound understanding of both language and programming, facilitating innovative reasoning and comprehension essential for creating cutting-edge applications. These models find utility in various areas, such as writing assistance, code generation, and data analytics, all while adhering to responsible AI guidelines to mitigate any potential misuse, supported by robust Azure security measures. Utilize generative models that have been exposed to extensive datasets, enabling their use in multiple contexts like language processing, coding assignments, logical reasoning, inferencing, and understanding. Customize these generative models to suit your specific requirements by employing labeled datasets through an easy-to-use REST API. You can improve the accuracy of your outputs by refining the model’s hyperparameters and applying few-shot learning strategies to provide the API with examples, resulting in more relevant outputs and ultimately boosting application effectiveness. By implementing appropriate configurations and optimizations, you can significantly enhance your application's performance while ensuring a commitment to ethical practices in AI application. Additionally, the continuous evolution of these models allows for ongoing improvements, keeping pace with advancements in technology.

Claude 4 is the much-anticipated successor in Anthropic's series of AI language models, building upon the features of its predecessor, Claude 3.5. While specific details remain undisclosed, industry discussions hint that Claude 4 may introduce improved reasoning skills, enhanced performance efficiency, and expanded multimodal capabilities, which could include more sophisticated processing of images and videos. These advancements are intended to foster more intelligent and context-aware interactions with AI, potentially impacting various sectors like technology, finance, healthcare, and customer service. Currently, Anthropic has not made any official announcements regarding the release date for Claude 4, but many speculate it could arrive in early 2025, generating significant excitement among developers and businesses alike. As the anticipated launch date draws nearer, the excitement builds around how these innovations might transform the artificial intelligence landscape and the ways in which users engage with this technology.

Claude 3 Haiku distinguishes itself as the fastest and most economical model in its intelligence class. It features state-of-the-art visual capabilities and performs exceptionally well in multiple industry evaluations, rendering it a versatile option for a wide array of business uses. Presently, users can access the model via the Claude API and at claude.ai, which is offered to Claude Pro subscribers, along with Sonnet and Opus. This innovation significantly expands the resources available to businesses aiming to harness the power of advanced AI technologies. As companies seek to improve their operational efficiency, such solutions become invaluable assets in driving progress.