List of the Top 25 AI Models for OpenAI in 2025

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.

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.

The GPT-4 model signifies a remarkable leap in artificial intelligence, functioning as a large multimodal system adept at processing both text and image inputs, while generating text outputs that enable it to address intricate problems with an accuracy that surpasses previous iterations due to its vast general knowledge and superior reasoning abilities. Available through the OpenAI API for subscribers, GPT-4 is tailored for chat-based interactions, akin to gpt-3.5-turbo, and excels in traditional completion tasks via the Chat Completions API. This cutting-edge version of GPT-4 features advancements such as enhanced instruction compliance, a JSON mode, reliable output consistency, and the capability to execute functions in parallel, rendering it an invaluable resource for developers. It is crucial to understand, however, that this preview version is not entirely equipped for high-volume production environments, having a constraint of 4,096 output tokens. Users are invited to delve into its functionalities while remaining aware of its existing restrictions, which may affect their overall experience. The ongoing updates and potential future enhancements promise to further elevate its performance and usability.

GPT-4o, with the "o" symbolizing "omni," marks a notable leap forward in human-computer interaction by supporting a variety of input types, including text, audio, images, and video, and generating outputs in these same formats. It boasts the ability to swiftly process audio inputs, achieving response times as quick as 232 milliseconds, with an average of 320 milliseconds, closely mirroring the natural flow of human conversations. In terms of overall performance, it retains the effectiveness of GPT-4 Turbo for English text and programming tasks, while significantly improving its proficiency in processing text in other languages, all while functioning at a much quicker rate and at a cost that is 50% less through the API. Moreover, GPT-4o demonstrates exceptional skills in understanding both visual and auditory data, outpacing the abilities of earlier models and establishing itself as a formidable asset for multi-modal interactions. This groundbreaking model not only enhances communication efficiency but also expands the potential for diverse applications across various industries. As technology continues to evolve, the implications of such advancements could reshape the future of user interaction in multifaceted ways.

GPT-4.5 marks a substantial leap forward in artificial intelligence, building upon its predecessors by enhancing its unsupervised learning methods, honing its reasoning capabilities, and improving its collaborative functionalities. Designed to better interpret human intentions, this model enables more fluid and instinctive interactions, leading to increased precision and fewer instances of misinformation across a wide range of topics. Its advanced capabilities not only foster the generation of creative and intellectually stimulating content but also aid in tackling complex problems while offering assistance in various domains such as writing, design, and even aerospace endeavors. In addition, the model's improved human engagement opens doors for practical applications, making it more user-friendly and reliable for both businesses and developers. As it continues to innovate, GPT-4.5 establishes a new benchmark for the role of AI in numerous sectors and applications, demonstrating its potential to transform how we approach technology in everyday life. The ongoing developments in this field suggest a promising future where AI can seamlessly integrate into our daily routines and professional tasks.

We have created a conversational model named ChatGPT that interacts with users through dialogue. This framework enables ChatGPT to adeptly handle follow-up questions, recognize mistakes, challenge incorrect assumptions, and refuse inappropriate requests. In contrast, InstructGPT, a similar model, prioritizes following specific instructions provided in prompts while delivering thorough responses. ChatGPT Plus is a subscription service tailored for users of ChatGPT, the conversational AI. This premium subscription is priced at $20 per month and provides subscribers with multiple benefits: - Continuous access to ChatGPT, even during peak usage times - Faster response rates - Availability of GPT-4 - Integration of various ChatGPT plugins - Ability to browse the web using ChatGPT - First access to new features and improvements Currently, ChatGPT Plus is available to users in the United States, with plans to gradually include individuals from our waitlist in the coming weeks. Our goal is also to expand access and support to additional countries and regions soon, so that a larger audience can enjoy its advantages and capabilities. Ultimately, we aim to enhance the overall user experience while continually advancing the technology.

A streamlined model that excels in both text comprehension and multimodal reasoning abilities. The GPT-4o mini has been crafted to efficiently manage a vast range of tasks, characterized by its affordability and quick response times, which make it particularly suitable for scenarios requiring the simultaneous execution of multiple model calls, such as activating various APIs at once, analyzing large sets of information like complete codebases or lengthy conversation histories, and delivering prompt, real-time text interactions for customer support chatbots. At present, the API for GPT-4o mini supports both textual and visual inputs, with future enhancements planned to incorporate support for text, images, videos, and audio. This model features an impressive context window of 128K tokens and can produce outputs of up to 16K tokens per request, all while maintaining a knowledge base that is updated to October 2023. Furthermore, the advanced tokenizer utilized in GPT-4o enhances its efficiency in handling non-English text, thus expanding its applicability across a wider range of uses. Consequently, the GPT-4o mini is recognized as an adaptable resource for developers and enterprises, making it a valuable asset in various technological endeavors. Its flexibility and efficiency position it as a leader in the evolving landscape of AI-driven solutions.

The o1-pro from OpenAI is a more sophisticated version of the original o1 model, designed to tackle complex and demanding challenges with greater reliability. This enhanced model exhibits significant improvements over the prior o1 preview, achieving an impressive 34% reduction in critical errors and a 50% boost in processing speed. It excels in areas such as mathematics, physics, and programming, providing detailed and accurate solutions. Additionally, the o1-pro can handle multimodal inputs, including both text and images, and demonstrates exceptional skills in complex reasoning tasks that require deep analytical thinking. It is accessible through a ChatGPT Pro subscription, granting users not just unlimited access, but also enhanced functionalities for those in need of advanced AI assistance. With these capabilities, users are empowered to efficiently and effectively tackle a broader array of challenges, making the o1-pro an invaluable tool for problem-solving. Overall, the advancements in this model signify a leap forward in AI technology, offering new possibilities for various applications.

The recent development of GPT-4 with vision (GPT-4V) empowers users to instruct GPT-4 to analyze image inputs they submit, representing a pivotal advancement in enhancing its capabilities. Experts in the domain regard the fusion of different modalities, such as images, with large language models (LLMs) as an essential facet for future advancements in artificial intelligence. By incorporating these multimodal features, LLMs have the potential to improve the efficiency of conventional language systems, leading to the creation of novel interfaces and user experiences while addressing a wider spectrum of tasks. This system card is dedicated to evaluating the safety measures associated with GPT-4V, building on the existing safety protocols established for its predecessor, GPT-4. In this document, we explore in greater detail the assessments, preparations, and methodologies designed to ensure safety in relation to image inputs, thereby underscoring our dedication to the responsible advancement of AI technology. Such initiatives not only protect users but also facilitate the ethical implementation of AI breakthroughs, ensuring that innovations align with societal values and ethical standards. Moreover, the pursuit of safety in AI systems is vital for fostering trust and reliability in their applications.

OpenAI has unveiled the o1 series, which heralds a new era of AI models tailored to improve reasoning abilities. This series includes models such as o1-preview and o1-mini, which implement a cutting-edge reinforcement learning strategy that prompts them to invest additional time "thinking" through various challenges prior to providing answers. This approach allows the o1 models to excel in complex problem-solving environments, especially in disciplines like coding, mathematics, and science, where they have demonstrated superiority over previous iterations like GPT-4o in certain benchmarks. The purpose of the o1 series is to tackle issues that require deeper cognitive engagement, marking a significant step forward in developing AI systems that can reason more like humans do. Currently, the series is still in the process of refinement and evaluation, showcasing OpenAI's dedication to the ongoing enhancement of these technologies. As the o1 models evolve, they underscore the promising trajectory of AI, illustrating its capacity to adapt and fulfill increasingly sophisticated requirements in the future. This ongoing innovation signifies a commitment not only to technological advancement but also to addressing real-world challenges with more effective AI solutions.

The o1-mini, developed by OpenAI, represents a cost-effective innovation in AI, focusing on enhanced reasoning skills particularly in STEM fields like math and programming. As part of the o1 series, this model is designed to address complex problems by spending more time on analysis and thoughtful solution development. Despite being smaller and priced at 80% less than the o1-preview model, the o1-mini proves to be quite powerful in handling coding tasks and mathematical reasoning. This effectiveness makes it a desirable option for both developers and businesses looking for dependable AI solutions. Additionally, its economical price point ensures that a broader audience can access and leverage advanced AI technology without sacrificing quality. Overall, the o1-mini stands out as a remarkable tool for those needing efficient support in technical areas.

As artificial intelligence progresses, its capacity to address increasingly complex and critical issues will grow, which will require enhanced computational resources to facilitate these developments. The ChatGPT Pro subscription, available for $200 per month, provides comprehensive access to OpenAI's top-tier models and tools, including unlimited usage of the cutting-edge o1 model, o1-mini, GPT-4o, and Advanced Voice functionalities. Additionally, this subscription includes the o1 pro mode, an upgraded version of o1 that leverages greater computational power to yield more effective solutions to intricate questions. Looking forward, we expect the rollout of even more powerful and resource-intensive productivity tools under this subscription model. With ChatGPT Pro, users gain access to a version of our most advanced model that is capable of extended reasoning, producing highly reliable answers. External assessments have indicated that the o1 pro mode consistently delivers more precise and comprehensive responses, particularly excelling in domains like data science, programming, and legal analysis, thus reinforcing its significance for professional applications. Furthermore, the dedication to continuous enhancements guarantees that subscribers will benefit from regular updates, which will further optimize their user experience and functional capabilities. This commitment to improvement ensures that users will always have access to the latest advancements in AI technology.

OpenAI has developed a sophisticated research tool that leverages artificial intelligence to autonomously perform complex, multi-faceted research tasks across various domains, such as science, programming, and mathematics. By interpreting user inputs—which may include questions, documents, images, PDFs, or spreadsheets—the tool formulates a comprehensive research plan, gathers relevant data, and delivers detailed responses within minutes. Furthermore, it provides summaries of the research workflow along with citations, allowing users to verify the origins of the information presented. While this tool significantly boosts research productivity, it is not without its flaws, as it can occasionally produce inaccuracies or struggle to differentiate between reliable sources and misinformation. Currently, it is available to users of ChatGPT Pro, representing a major leap forward in AI-driven knowledge discovery, and ongoing improvements aim to enhance both the accuracy and speed of responses. This continuous evolution highlights a dedication to perfecting the tool's functionalities and ensuring that users access the most trustworthy information possible, paving the way for more informed decision-making in research practices.

InstructGPT is an accessible framework that facilitates the development of language models designed to generate natural language instructions from visual cues. Utilizing a generative pre-trained transformer (GPT) in conjunction with the sophisticated object detection features of Mask R-CNN, it effectively recognizes items within images and constructs coherent natural language narratives. This framework is crafted for flexibility across a range of industries, such as robotics, gaming, and education; for example, it can assist robots in carrying out complex tasks through spoken directions or aid learners by providing comprehensive accounts of events or processes. Moreover, InstructGPT's ability to merge visual comprehension with verbal communication significantly improves interactions across various applications, making it a valuable tool for enhancing user experiences. Its potential to innovate solutions in diverse fields continues to grow, opening up new possibilities for how we engage with technology.

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.

Our systems are deployed worldwide to guarantee fast response times for users across the globe. Integrating our API, which is compatible with OpenAI, into your application is a straightforward process that requires minimal effort. You can initiate the integration in just a few minutes and scale it effectively to support millions of users. Our extensive scaling features and performance improvements mean that our API is four times more cost-efficient compared to the OpenAI GPT-3.5 API. Experience the capability to generate text and hold conversations with our AI model, delivering ChatGPT-like performance at a significantly lower cost. The setup process is quick, taking only a few minutes with our API. Moreover, you can leverage one of the most sophisticated AI image models available to create stunning, high-quality images, graphics, and illustrations in seconds, transforming your creative endeavors. This innovative approach not only optimizes your workflow but also significantly boosts your content creation productivity. By utilizing our platform, you can unlock new possibilities and elevate the quality of your work beyond traditional methods.

Introducing JinaChat, a groundbreaking LLM service tailored for professionals, marking a new era in multimodal chat capabilities that effortlessly combines text, images, and other media formats. Users can experience our complimentary brief interactions, capped at 100 tokens, offering a glimpse into our extensive features. Our powerful API enables developers to access detailed conversation histories, which drastically minimizes the need for repetitive prompts and supports the development of complex applications. Embrace the future of LLM technology with JinaChat, where interactions are enriched, memory-informed, and economically viable. Many contemporary LLM services depend on long prompts or extensive memory usage, resulting in higher costs due to the frequent submission of nearly identical requests to the server. In contrast, JinaChat's innovative API tackles this challenge by allowing users to resume past conversations without reintroducing the entire message. This advancement not only enhances communication efficiency but also yields considerable cost savings, making it a perfect solution for developing advanced applications like AutoGPT. By streamlining the user experience, JinaChat enables developers to concentrate on innovation and functionality while alleviating the pressure of soaring expenses, ultimately fostering a more creative environment. In this way, JinaChat not only supports professional growth but also cultivates a community of forward-thinking developers.

A community-driven marketplace empowers developers to design specialized expert LLMs that excel in technical domains, outperforming conventional AI systems in accuracy and efficiency. These Lunes continuously enhance their performance by pulling in data from a diverse array of technical knowledge resources, such as GitHub repositories and official documentation, which significantly minimizes errors in technical questions. Users benefit from reference materials similar to those available through Perplexity, while also gaining access to a variety of Lunes crafted by other contributors, spanning from those based on open-source tools to well-organized compilations of tech blog content. Additionally, individuals have the opportunity to create their own Lune by curating resources, including their own projects, to boost their visibility within the community. Our API integrates effortlessly with OpenAI’s framework, ensuring compatibility with applications like Cursor, Continue, and other tools that leverage OpenAI-compatible models. The transition of conversations from your IDE to Lune Web is seamless, greatly enhancing user interaction. Furthermore, you can earn rewards for contributions made during discussions, with compensation for every piece of feedback that receives approval. Alternatively, you might choose to launch a public Lune, allowing you to monetize it based on its popularity and the level of user engagement it garners. This groundbreaking model not only encourages collaboration among users but also incentivizes them for their knowledge and innovative contributions, fostering a dynamic ecosystem of shared expertise. Ultimately, this approach redefines how technical knowledge is shared and developed within the community.

EXAONE Deep is a suite of sophisticated language models developed by LG AI Research, featuring configurations of 2.4 billion, 7.8 billion, and 32 billion parameters. These models are particularly adept at tackling a range of reasoning tasks, excelling in domains like mathematics and programming evaluations. Notably, the 2.4B variant stands out among its peers of comparable size, while the 7.8B model surpasses both open-weight counterparts and the proprietary model OpenAI o1-mini. Additionally, the 32B variant competes strongly with leading open-weight models in the industry. The accompanying repository not only provides comprehensive documentation, including performance metrics and quick-start guides for utilizing EXAONE Deep models with the Transformers library, but also offers in-depth explanations of quantized EXAONE Deep weights structured in AWQ and GGUF formats. Users will also find instructions on how to operate these models locally using tools like llama.cpp and Ollama, thereby broadening their understanding of the EXAONE Deep models' potential and ensuring easier access to their powerful capabilities. This resource aims to empower users by facilitating a deeper engagement with the advanced functionalities of the models.

GPT-4.1 is a cutting-edge AI model from OpenAI, offering major advancements in performance, especially for tasks requiring complex reasoning and large context comprehension. With the ability to process up to 1 million tokens, GPT-4.1 delivers more accurate and reliable results for tasks like software coding, multi-document analysis, and real-time problem-solving. Compared to its predecessors, GPT-4.1 excels in instruction following and coding tasks, offering higher efficiency and improved performance at a reduced cost.

GPT-4.1 mini is a more lightweight version of the GPT-4.1 model, designed to offer faster response times and reduced latency, making it an excellent choice for applications that require real-time AI interaction. Despite its smaller size, GPT-4.1 mini retains the core capabilities of the full GPT-4.1 model, including handling up to 1 million tokens of context and excelling at tasks like coding and instruction following. With significant improvements in efficiency and cost-effectiveness, GPT-4.1 mini is ideal for developers and businesses looking for powerful, low-latency AI solutions.

GPT-4.1 nano is a highly efficient, smaller-scale version of the GPT-4.1 model, built for high-speed, low-cost AI applications. It retains the core capabilities of the GPT-4.1 series, including support for a 1 million token context window, but with optimized performance for tasks like classification, search, and autocompletion. Designed to be both affordable and fast, GPT-4.1 nano is perfect for developers and businesses looking for a quick, reliable AI solution that minimizes latency and operational costs.

StarCoder and StarCoderBase are sophisticated Large Language Models crafted for coding tasks, built from freely available data sourced from GitHub, which includes an extensive array of over 80 programming languages, along with Git commits, GitHub issues, and Jupyter notebooks. Similarly to LLaMA, these models were developed with around 15 billion parameters trained on an astonishing 1 trillion tokens. Additionally, StarCoderBase was specifically optimized with 35 billion Python tokens, culminating in the evolution of what we now recognize as StarCoder. Our assessments revealed that StarCoderBase outperforms other open-source Code LLMs when evaluated against well-known programming benchmarks, matching or even exceeding the performance of proprietary models like OpenAI's code-cushman-001 and the original Codex, which was instrumental in the early development of GitHub Copilot. With a remarkable context length surpassing 8,000 tokens, the StarCoder models can manage more data than any other open LLM available, thus unlocking a plethora of possibilities for innovative applications. This adaptability is further showcased by our ability to engage with the StarCoder models through a series of interactive dialogues, effectively transforming them into versatile technical aides capable of assisting with a wide range of programming challenges. Furthermore, this interactive capability enhances user experience, making it easier for developers to obtain immediate support and insights on complex coding issues.