List of the Top AI Models for OpenAI in 2026 - Page 3

OpenAI's Image Generation API, powered by the gpt-image-1 model, enables developers and businesses to effortlessly integrate high-quality image creation features into their applications and services. This model exhibits exceptional versatility, allowing it to generate images in various artistic styles while faithfully following detailed instructions, drawing from an extensive knowledge base, and accurately representing text, thereby unlocking a multitude of practical applications across different industries. Many prominent companies and innovative startups in sectors such as creative software, e-commerce, education, enterprise solutions, and gaming are already harnessing image generation within their products. It provides creators with the flexibility to delve into a wide array of visual styles and concepts. Users can generate and customize images through simple prompts, refining styles, adding or subtracting elements, expanding backgrounds, and much more, significantly enriching the creative workflow. This functionality not only stimulates innovation but also promotes teamwork among groups aiming for visual brilliance, paving the way for new opportunities in design and artistic expression. Ultimately, the API represents a transformative tool that enhances the way individuals and organizations approach image creation.

The newest version in the GPT-5 lineup, referred to as GPT-5.1, seeks to greatly improve the cognitive and conversational skills of ChatGPT. This upgrade introduces two distinct model types: GPT-5.1 Instant, which has become the favored choice due to its friendly tone, better adherence to instructions, and enhanced intelligence; conversely, GPT-5.1 Thinking has been optimized as a sophisticated reasoning engine, facilitating easier comprehension, faster responses for simpler queries, and greater diligence when addressing intricate problems. Moreover, user inquiries are now smartly routed to the model variant that is most suited for the specific task, ensuring efficiency and accuracy. This update not only enhances fundamental cognitive abilities but also fine-tunes the style of interaction, leading to models that are more pleasant to engage with and more in tune with user desires. Importantly, the system card supplement reveals that GPT-5.1 Instant features a mechanism called "adaptive reasoning," which helps it recognize when deeper contemplation is warranted before crafting its reply, while GPT-5.1 Thinking precisely tailors its reasoning duration based on the complexity of the question asked. These innovations signify a considerable leap in the quest to make AI interactions more seamless, enjoyable, and user-centric, paving the way for future developments in conversational AI technology.

LFM2 is a cutting-edge series of on-device foundation models specifically engineered to deliver an exceptionally fast generative-AI experience across a wide range of devices. It employs an innovative hybrid architecture that enables decoding and pre-filling speeds up to twice as fast as competing models, while also improving training efficiency by as much as threefold compared to earlier versions. Striking a perfect balance between quality, latency, and memory use, these models are ideally suited for embedded system applications, allowing for real-time, on-device AI capabilities in smartphones, laptops, vehicles, wearables, and many other platforms. This results in millisecond-level inference, enhanced device longevity, and complete data sovereignty for users. Available in three configurations with 0.35 billion, 0.7 billion, and 1.2 billion parameters, LFM2 demonstrates superior benchmark results compared to similarly sized models, excelling in knowledge recall, mathematical problem-solving, adherence to multilingual instructions, and conversational dialogue evaluations. With such impressive capabilities, LFM2 not only elevates the user experience but also establishes a new benchmark for on-device AI performance, paving the way for future advancements in the field.

The Thinking variant of GPT-5.2 stands as the highest achievement in OpenAI's GPT-5.2 series, meticulously crafted for thorough reasoning and the management of complex tasks across a diverse range of professional fields and elaborate contexts. Key improvements to the foundational GPT-5.2 framework enhance aspects such as grounding, stability, and overall reasoning quality, enabling this iteration to allocate more computational power and analytical resources to generate responses that are not only precise but also well-organized and rich in context, particularly useful when navigating intricate workflows and multi-step evaluations. With a strong emphasis on maintaining logical coherence, GPT-5.2 Thinking excels in comprehensive research synthesis, sophisticated coding and debugging, detailed data analysis, strategic planning, and high-caliber technical writing, offering a notable advantage over simpler models in scenarios that assess professional proficiency and deep knowledge. This cutting-edge model proves indispensable for experts aiming to address complex challenges with a high degree of accuracy and skill. Ultimately, GPT-5.2 Thinking redefines the capabilities expected in advanced AI applications, making it a valuable asset in today's fast-evolving professional landscape.

The GPT-5.2 Instant model is a rapid and effective evolution in OpenAI's GPT-5.2 series, specifically designed for everyday tasks and learning, and it demonstrates significant improvements in handling inquiries, offering how-to assistance, producing technical documents, and facilitating translation tasks when compared to its predecessors. This latest model expands on the engaging conversational approach seen in GPT-5.1 Instant, providing clearer explanations that emphasize key details, which allows users to access accurate answers more swiftly. Its improved speed and responsiveness enable it to efficiently manage common functions like answering questions, generating summaries, assisting with research, and supporting writing and editing endeavors, while also incorporating comprehensive advancements from the wider GPT-5.2 collection that enhance reasoning capabilities, manage lengthy contexts, and ensure factual correctness. Being part of the GPT-5.2 family, this model enjoys the benefits of collective foundational enhancements that boost its reliability and performance across a range of daily tasks. Users will find that the interaction experience is more intuitive and that they can significantly decrease the time spent looking for information. Overall, the advancements in this model not only streamline processes but also empower users to engage more effectively with technology in their daily routines.

The latest iteration of OpenAI's GPT model family, known as GPT-5.2 Pro, emerges as the pinnacle of advanced AI technology, specifically crafted to deliver outstanding reasoning abilities, manage complex tasks, and attain superior accuracy for high-stakes knowledge work, inventive problem-solving, and enterprise-level applications. This Pro version builds on the foundational improvements of the standard GPT-5.2, showcasing enhanced general intelligence, a better grasp of extended contexts, more reliable factual grounding, and optimized tool utilization, all driven by increased computational power and deeper processing capabilities to provide nuanced, trustworthy, and context-aware responses for users with intricate, multi-faceted requirements. In particular, GPT-5.2 Pro is adept at handling demanding workflows, which encompass sophisticated coding and debugging, in-depth data analysis, consolidation of research findings, meticulous document interpretation, and advanced project planning, while consistently ensuring higher accuracy and lower error rates than its less powerful variants. Consequently, this makes GPT-5.2 Pro an indispensable asset for professionals who aim to maximize their efficiency and confidently confront significant challenges in their endeavors. Moreover, its capacity to adapt to various industries further enhances its utility, making it a versatile tool for a broad range of applications.

Odyssey-2 Pro is an innovative world model designed for generating continuous and interactive simulations, which can be effortlessly integrated into a variety of products via the Odyssey API, similar to the transformative effect that GPT-2 had on language technology. This model is built on a comprehensive collection of video and interaction data, allowing it to comprehend events on a frame-by-frame basis and create engaging simulations that can last several minutes instead of just short static clips. Boasting improved physics, more dynamic interactions, realistic behaviors, and sharper visuals, Odyssey-2 Pro streams video at 720p resolution at around 22 frames per second, responding instantly to user inputs. In addition, it supports the incorporation of interactive streams, viewable content, and parameterized simulations into applications through user-friendly SDKs available for both JavaScript and Python. Developers can easily integrate this advanced model with minimal coding, enabling them to design open-ended, interactive video experiences that evolve based on user engagement, thus significantly boosting user involvement and immersion. This groundbreaking capability not only transforms the utilization of simulations but also paves the way for creative applications across a multitude of sectors, effectively reshaping the landscape of interactive technology. As such, the potential of Odyssey-2 Pro is vast, making it an essential tool for developers looking to innovate in their respective fields.

GPT-Rosalind is a cutting-edge reasoning model developed by OpenAI, specifically designed to advance scientific research in areas such as biology, drug development, and translational medicine. It is customized for life sciences workflows and aids researchers in navigating vast amounts of literature, experimental data, and specialized databases to generate and evaluate novel ideas. By combining a deep knowledge of fields like chemistry, genomics, protein engineering, and disease biology with advanced tool utilization capabilities, it proficiently engages with scientific databases, analyzes experimental outcomes, and supports complex, multi-step reasoning processes. Its features include synthesizing evidence, forming hypotheses, evaluating literature, analyzing sequences, and designing experiments, which collectively empower scientists to expedite the journey from raw data to significant insights. In addition, GPT-Rosalind transforms labor-intensive, lengthy research techniques into efficient, AI-enhanced workflows, leading to a more effective scientific landscape. This model not only exemplifies the integration of artificial intelligence with scientific research but also serves as a catalyst for transformative discoveries, ultimately shaping the future of scientific inquiry. Moreover, its ability to adapt to various research needs ensures that it remains a vital tool for scientists across diverse disciplines.

GPT-5.5-Cyber is an advanced AI model designed for authorized cybersecurity professionals who need stronger support for vulnerability research, codebase analysis, and remediation. The model builds on GPT-5.5’s general-purpose intelligence while adding more capable and permissive behavior for specialized defensive security workflows. It is designed to help reduce unnecessary refusals for verified defenders while still pairing advanced capabilities with verification, monitoring, scoped controls, and review. GPT-5.5-Cyber can sustain deeper analysis across large and complex codebases, making it useful for identifying security-relevant components and tracing how vulnerabilities may be reached. It can also help validate likely issues in controlled environments, develop and test patches, and organize evidence for human security teams. The model is intended to support the full remediation loop, helping defenders move from discovery to validation to fix preparation instead of only producing raw vulnerability findings. In benchmark testing, GPT-5.5-Cyber outperformed GPT-5.5 on CyberGym, ExploitGym, and SEC-bench Pro. These results show improved performance in reproducing known vulnerabilities, reasoning through exploitability, and handling long-horizon vulnerability discovery and proof-of-concept workflows. The model is also being evaluated through complex repositories and real remediation workflows as coordinated disclosures conclude. GPT-5.5-Cyber is positioned as a higher-capability option for defenders whose authorized work requires the most advanced cyber support, while GPT-5.5 with Trusted Access for Cyber and Codex Security remains the recommended starting point for most defenders. GPT-5.5-Cyber helps qualified security teams work faster, validate vulnerabilities more effectively, and support safer remediation across critical software systems.

Ling 2.6 signifies a series of large language models that have been independently developed and made open-source by Ant Group, leveraging a Mixture of Experts (MoE) architecture to optimize inference efficiency, manage long context modeling, improve training methodologies, and facilitate collaborative reasoning among AI agents. Through the implementation of this MoE architecture, Ling adeptly channels each token to interact solely with the most relevant expert subnetworks, which markedly decreases computational demands while maintaining the model's extensive functional capabilities. Notably, this series achieves significant advancements in long-sequence modeling, as demonstrated by Ling-2.6-1T, which supports a native context window of up to 1 million tokens and provides a 256K context window via its official API; further, Ling-2.6-flash is designed with a native 256K context window, allowing it to process approximately 200,000 characters in large inputs. These models are designed with great precision to ensure the reliable retrieval of information over long distances without any noticeable degradation in quality, regardless of the position of the data within the context. This cutting-edge methodology in long-context processing establishes a new standard for both efficiency and reliability in the performance of language models. The implications of such advancements could revolutionize how AI systems interact with extensive data sets, enabling more sophisticated applications in various fields.

Mercury 2 signifies a revolutionary leap in reasoning models, particularly tailored for instantaneous voice interactions, as it can promptly respond to incoming calls. In contrast to conventional autoregressive models that often leave callers waiting in silence while they generate responses sequentially, Mercury 2 uses a diffusion large language model architecture that can produce more than 1000 tokens per second on standard NVIDIA GPUs. This extraordinary processing speed enables it to finalize a complete reasoning cycle and start speaking in a timeframe that harmonizes with the natural flow of conversation, effectively reducing the usual wait time from several seconds to around 300 milliseconds. The functionality of Mercury models revolves around converting clear text into noise, after which a traditional Transformer is trained to reverse this process and predict the original text simultaneously across all positions. By adopting a denoising strategy that processes multiple tokens concurrently, the generation process becomes more efficient, achieving speeds comparable to customized silicon on NVIDIA H100s while enhancing responsiveness in voice applications. Consequently, Mercury 2 not only improves user interactions but also establishes a new benchmark for the field of interactive voice technology, paving the way for future advancements. With its innovative design, it promises to revolutionize the way users engage with voice systems.

Whisper is an advanced automatic speech recognition (ASR) model developed by OpenAI to convert spoken audio into text with high accuracy. It is trained on an extensive dataset of 680,000 hours of multilingual and multitask audio collected from the web. This large and diverse dataset allows Whisper to perform well across various accents, noisy environments, and technical vocabulary. The model supports multiple capabilities, including speech transcription, language identification, and translation into English. It uses an encoder-decoder Transformer architecture, where audio is processed as log-Mel spectrograms before generating text outputs. Whisper can also produce phrase-level timestamps, making it useful for applications requiring precise audio alignment. Unlike many traditional ASR systems, Whisper is optimized for strong zero-shot performance across different datasets. It demonstrates significantly fewer errors in diverse real-world scenarios compared to specialized models. The model’s multilingual training enables it to handle both English and non-English audio effectively. Developers can integrate Whisper into applications such as voice interfaces, transcription tools, and accessibility solutions. Its open-source availability encourages innovation and customization across industries. Overall, Whisper serves as a robust and flexible foundation for building modern speech-enabled technologies.

Yi-Lightning, developed by 01.AI under the guidance of Kai-Fu Lee, represents a remarkable advancement in large language models, showcasing both superior performance and affordability. It can handle a context length of up to 16,000 tokens and boasts a competitive pricing strategy of $0.14 per million tokens for both inputs and outputs. This makes it an appealing option for a variety of users in the market. The model utilizes an enhanced Mixture-of-Experts (MoE) architecture, which incorporates meticulous expert segmentation and advanced routing techniques, significantly improving its training and inference capabilities. Yi-Lightning has excelled across diverse domains, earning top honors in areas such as Chinese language processing, mathematics, coding challenges, and complex prompts on chatbot platforms, where it achieved impressive rankings of 6th overall and 9th in style control. Its development entailed a thorough process of pre-training, focused fine-tuning, and reinforcement learning based on human feedback, which not only boosts its overall effectiveness but also emphasizes user safety. Moreover, the model features notable improvements in memory efficiency and inference speed, solidifying its status as a strong competitor in the landscape of large language models. This innovative approach sets the stage for future advancements in AI applications across various sectors.

AlphaCodium, developed by Qodo, is a groundbreaking AI tool that emphasizes the improvement of coding practices through iterative and test-driven approaches. This innovative tool enhances logical reasoning, testing, and code refinement, which in turn helps large language models increase their accuracy. Unlike conventional prompt-centered techniques, AlphaCodium provides a more organized flow for AI, thereby boosting its capacity to address complex coding problems, particularly those involving edge cases. The tool not only improves outputs through targeted testing but also guarantees more reliable results, which elevates overall performance in coding endeavors. Research indicates that AlphaCodium considerably enhances the success rates of models like GPT-4o, OpenAI o1, and Sonnet-3.5. Furthermore, it equips developers with advanced solutions for difficult programming tasks, which leads to heightened efficiency in the software development lifecycle. By leveraging structured guidance, AlphaCodium empowers developers to approach intricate coding challenges with increased confidence and skill, ultimately fostering innovation in their projects as they navigate the complexities of modern programming.

Molmo is an advanced suite of multimodal AI models developed by the Allen Institute for AI (Ai2) that aims to bridge the gap between open-source and proprietary technologies, ensuring competitive performance on various academic assessments and evaluations by human users. Unlike many existing multimodal models that rely on synthetic datasets created from proprietary sources, Molmo is solely trained on publicly accessible data, fostering both transparency and reproducibility within the realm of AI research. A key innovation in Molmo's creation is the inclusion of PixMo, a distinctive dataset that features detailed image captions curated by human annotators through speech-based descriptions, complemented by 2D pointing data that allows models to communicate using both natural language and non-verbal cues. This ability enables Molmo to interact with its environment in a more refined way, such as by indicating particular objects within images, which expands its applicability across various domains, including robotics, augmented reality, and interactive user interfaces. Moreover, the strides made by Molmo are poised to redefine standards for future research and development in multimodal AI, opening up new avenues for exploration and application. As the field evolves, the influence of Molmo's innovative approach could inspire similar projects aimed at enhancing human-AI interaction.

gpt-oss-20b is a robust text-only reasoning model featuring 20 billion parameters, released under the Apache 2.0 license and shaped by OpenAI’s gpt-oss usage guidelines, aimed at simplifying the integration into customized AI workflows via the Responses API without reliance on proprietary systems. It has been meticulously designed to perform exceptionally in following instructions, offering capabilities like adjustable reasoning effort, detailed chain-of-thought outputs, and the option to leverage native tools such as web search and Python execution, which leads to well-structured and coherent responses. Developers must take responsibility for implementing their own deployment safeguards, including input filtering, output monitoring, and compliance with usage policies, to ensure alignment with protective measures typically associated with hosted solutions and to minimize the risk of malicious or unintended actions. Furthermore, its open-weight architecture is particularly advantageous for on-premises or edge deployments, highlighting the significance of control, customization, and transparency to cater to specific user requirements. This flexibility empowers organizations to adapt the model to their distinct needs while upholding a high standard of operational integrity and performance. As a result, gpt-oss-20b not only enhances user experience but also promotes responsible AI usage across various applications.

gpt-oss-120b is a reasoning model focused solely on text, boasting 120 billion parameters, and is released under the Apache 2.0 license while adhering to OpenAI’s usage policies; it has been developed with contributions from the open-source community and is compatible with the Responses API. This model excels at executing instructions and utilizes various tools, including web searches and Python code execution, which allows for a customizable level of reasoning effort and results in detailed chain-of-thought outputs that can seamlessly fit into different workflows. Although it is constructed to comply with OpenAI's safety policies, its open-weight nature poses a risk, as adept users might modify it to bypass these protections, thereby prompting developers and organizations to implement additional safety measures akin to those of managed models. Assessments reveal that gpt-oss-120b falls short of high performance in specialized fields such as biology, chemistry, or cybersecurity, even after attempts at adversarial fine-tuning. Moreover, its introduction does not represent a substantial advancement in biological capabilities, indicating a cautious stance regarding its use. Consequently, it is advisable for users to stay alert to the potential risks associated with its open-weight attributes, and to consider the implications of its deployment in sensitive environments. As awareness of these factors grows, the community's approach to managing such technologies will evolve and adapt.

GPT-5 Pro is OpenAI’s flagship AI model built to deliver exceptional reasoning power and precision for the most complex and nuanced problems across numerous domains. Utilizing advanced parallel computing techniques, it extends the GPT-5 architecture to think longer and more deeply, resulting in highly accurate and comprehensive responses on challenging tasks such as advanced science, health diagnostics, coding, and mathematics. This model consistently outperforms its predecessors on rigorous benchmarks like GPQA and expert evaluations, reducing major errors by 22% and gaining preference from external experts nearly 68% of the time over GPT-5 thinking. GPT-5 Pro is designed to adapt dynamically, determining when to engage extended reasoning for queries that benefit from it while balancing speed and depth. Beyond its technical prowess, it incorporates enhanced safety features, lowering hallucination rates and providing transparent communication when limits are reached or tasks cannot be completed. The model supports Pro users with unlimited access and integrates seamlessly into ChatGPT’s ecosystem, including Codex CLI for coding applications. GPT-5 Pro also benefits from improvements in reducing excessive agreeableness and sycophancy, making interactions feel natural and thoughtful. With extensive red-teaming and rigorous safety protocols, it is prepared to handle sensitive and high-stakes use cases responsibly. This model is ideal for researchers, developers, and professionals seeking the most reliable, insightful, and powerful AI assistant. GPT-5 Pro marks a major step forward in AI’s ability to augment human intelligence across complex real-world challenges.

GPT-5 Thinking represents the advanced reasoning layer within the GPT-5 architecture, purpose-built to address intricate, nuanced, and open-ended problems requiring extended cognitive effort and multi-step analysis. This model operates in tandem with the more efficient base GPT-5, selectively engaging for questions where deeper consideration yields significantly better results. By harnessing sophisticated reasoning techniques, GPT-5 Thinking achieves substantially lower hallucination rates—about six times fewer than earlier models—resulting in more consistent and trustworthy long-form content. It is designed to be highly self-aware, accurately recognizing the boundaries of its capabilities and communicating transparently when requests are impossible or lack sufficient context. The model integrates robust safety mechanisms developed through extensive red-teaming and threat modeling, ensuring it delivers helpful yet responsible answers across sensitive domains like biology and chemistry. Users benefit from its enhanced ability to follow complex instructions and adapt responses based on context, knowledge level, and user intent. GPT-5 Thinking also reduces excessive agreeableness and sycophancy, creating a more genuine and intellectually satisfying conversational experience. This thoughtful approach enables it to navigate ambiguous or potentially dual-use queries with greater nuance and fewer unnecessary refusals. Available to all users within ChatGPT, GPT-5 Thinking elevates the platform’s capacity to serve both casual inquiries and expert-level tasks. Overall, it brings expert reasoning power into the hands of everyone, improving accuracy, helpfulness, and safety in AI interactions.

Incredible serves as a powerful no-code automation platform leveraging sophisticated AI models to tackle practical tasks in various applications, allowing users to create AI "assistants" that can perform intricate workflows just by expressing their needs in simple English. These smart agents effortlessly integrate with a broad spectrum of productivity tools, such as CRMs, ERPs, email services, Notion, HubSpot, OneDrive, Trello, Slack, and many more, enabling them to accomplish tasks like content repurposing, CRM evaluations, contract reviews, and updates to content schedules without the necessity of coding. The platform's cutting-edge architecture supports the simultaneous execution of multiple actions while ensuring low latency, effectively handling substantial datasets and significantly reducing token limitations and inaccuracies in tasks that demand precise data management. The latest version, Incredible Small 1.0, is currently available for research preview and via API as a user-friendly alternative to other LLM endpoints, boasting outstanding data processing accuracy, nearly eradicating hallucinations, and facilitating automation at an enterprise scale. This robust framework empowers users to boost their productivity and reliability in workflows, establishing Incredible as a transformative force in the realm of no-code automation. As more users adopt this innovative solution, the potential for enhanced operational efficiency across various industries continues to grow.

GPT-5.1 Instant is a cutting-edge AI model designed specifically for everyday users, combining quick response capabilities with a heightened sense of conversational warmth. Its ability to adaptively reason enables it to gauge the necessary computational effort for various tasks, ensuring that responses are both timely and deeply comprehensible. By emphasizing improved adherence to instructions, users can offer detailed information and expect consistent and reliable execution. Additionally, the model incorporates expanded personality controls that allow users to tailor the chat tone to options such as Default, Friendly, Professional, Candid, Quirky, or Efficient, with ongoing experiments aimed at refining voice modulation further. The primary objective is to foster interactions that feel more natural and less robotic, all while delivering strong intelligence in writing, coding, analysis, and reasoning tasks. Moreover, GPT-5.1 Instant adeptly handles user requests through its main interface, intelligently deciding whether to utilize this version or the more intricate “Thinking” model based on the specific context of the inquiry. Furthermore, this innovative methodology significantly enhances the user experience by making communications more engaging and personalized according to individual preferences, ultimately transforming how users interact with AI.

GPT-5.1 Thinking is an advanced reasoning model within the GPT-5.1 series, designed to effectively manage "thinking time" based on the difficulty of prompts, thus facilitating faster responses to simple questions while allocating more resources to complex challenges. When compared to its predecessor, this model boasts nearly double the efficiency for straightforward tasks and requires twice the time for more intricate inquiries. It prioritizes the clarity of its answers, steering clear of jargon and ambiguous terms, which significantly improves the understanding of complex analytical tasks. The model skillfully adjusts its depth of reasoning, striking a balance between speed and thoroughness, particularly when it comes to technical topics or inquiries requiring multiple steps. By combining powerful reasoning capabilities with improved clarity, GPT-5.1 Thinking stands out as an essential tool for managing complex projects, such as detailed analyses, coding, research, or technical conversations, while also reducing wait times for simpler requests. This enhancement not only aids users in need of quick solutions but also effectively supports those engaged in higher-level cognitive tasks, making it a versatile asset in various contexts of use. Overall, GPT-5.1 Thinking represents a significant leap forward in processing efficiency and user engagement.

GPT-5.2 ushers in a significant leap forward for the GPT-5 ecosystem, redefining how the system reasons, communicates, and interprets human intent. Built on an upgraded architecture, this version refines every major cognitive dimension—from nuance detection to multi-step problem solving. A suite of enhanced variants works behind the scenes, each specialized to deliver more accuracy, coherence, and depth. GPT-5.2 Instant is engineered for speed and reliability, offering ultra-fast responses that remain highly aligned with user instructions even in complex contexts. GPT-5.2 Thinking extends the platform’s reasoning capacity, enabling more deliberate, structured, and transparent logic throughout long or sophisticated tasks. Automatic routing ensures users never need to choose a model themselves—the system selects the ideal variant based on the nature of the query. These upgrades make GPT-5.2 more adaptive, more stable, and more capable of handling nuanced, multi-intent prompts. Conversations feel more natural, with improved emotional tone matching, smoother transitions, and higher fidelity to user intent. The model also prioritizes clarity, reducing ambiguity while maintaining conversational warmth. Altogether, GPT-5.2 delivers a more intelligent, humanlike, and contextually aware AI experience for users across all domains.

GPT-5.2-Codex is OpenAI’s most capable agentic coding model, engineered for professional software engineering and cybersecurity use cases. It builds on the strengths of GPT-5.2 while introducing optimizations for long-running coding sessions. The model excels at maintaining context across extended workflows using native context compaction. GPT-5.2-Codex performs reliably in large repositories and complex project structures. It achieves state-of-the-art results on SWE-Bench Pro and Terminal-Bench 2.0, reflecting strong real-world coding performance. Native Windows support improves reliability for cross-platform development. Enhanced vision capabilities allow the model to interpret design mocks, diagrams, and screenshots. GPT-5.2-Codex supports iterative development even when plans change or attempts fail. The model also shows substantial gains in defensive cybersecurity tasks. It can assist with vulnerability discovery and secure software development workflows. Additional safeguards are built in to address dual-use risks. GPT-5.2-Codex advances the frontier of agentic software engineering.

GPT-5.3-Codex represents a major leap in agentic AI for software and knowledge work. It is designed to reason, build, and execute tasks across an entire computer-based workflow. The model combines the strongest coding performance of the Codex line with professional reasoning capabilities. GPT-5.3-Codex can handle long-running projects involving tools, terminals, and research. Users can interact with it continuously, guiding decisions as work progresses. It excels in real-world software engineering, frontend development, and infrastructure tasks. The model also supports non-coding work such as documentation, data analysis, presentations, and planning. Its improved intent understanding produces more complete and polished outputs by default. GPT-5.3-Codex was used internally to help train and deploy itself, accelerating its own development. It demonstrates strong performance across benchmarks measuring agentic and real-world skills. Advanced security safeguards support responsible deployment in sensitive domains. GPT-5.3-Codex moves Codex closer to a general-purpose digital collaborator.