List of the Top SaaS AI Models in 2026 - Page 8

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.

Magi represents a groundbreaking open-source autoregressive video generation model developed by Sand AI, specifically designed to deliver high-quality and temporally cohesive videos through a segmented generation method. Unlike traditional models that attempt to create entire videos in one go, Magi generates predefined segments of 24 frames sequentially, which not only enhances real-time streaming capabilities but also allows for the production of longer videos. With its Transformer-based Variational Autoencoder (VAE) architecture, the model achieves remarkable compression rates of 8x spatial and 4x temporal, resulting in swift decoding while preserving exceptional reconstruction quality. The integration of various advancements in the model contributes to improved training efficiency and stability, particularly when dealing with larger scales. Furthermore, Magi utilizes a distillation algorithm that supports different inference budgets, which ensures effective video generation with minimal loss of fidelity. Comprehensive pre-trained weights and inference code, along with detailed instructions for implementation through Docker or source code, are readily provided to facilitate user engagement and experimentation. Thus, with these advanced features, Magi not only serves as a powerful tool for creators but also opens up new possibilities in the domain of video generation technology. As a result, it has the potential to significantly influence the creative processes of video artists and developers alike.

Qwen3, the latest large language model from the Qwen family, introduces a new level of flexibility and power for developers and researchers. With models ranging from the high-performance Qwen3-235B-A22B to the smaller Qwen3-4B, Qwen3 is engineered to excel across a variety of tasks, including coding, math, and natural language processing. The unique hybrid thinking modes allow users to switch between deep reasoning for complex tasks and fast, efficient responses for simpler ones. Additionally, Qwen3 supports 119 languages, making it ideal for global applications. The model has been trained on an unprecedented 36 trillion tokens and leverages cutting-edge reinforcement learning techniques to continually improve its capabilities. Available on multiple platforms, including Hugging Face and ModelScope, Qwen3 is an essential tool for those seeking advanced AI-powered solutions for their projects.

Mistral Medium 3 is a breakthrough in AI technology, offering the perfect balance of cutting-edge performance and significantly reduced costs. This model introduces a new era of enterprise AI, with a focus on simplifying deployments while still providing exceptional performance. Its ability to deliver high-level results at just a fraction of the cost of its competitors makes it a game-changer in industries that rely on complex AI tasks. Mistral Medium 3 is particularly strong in professional use cases like coding, where it competes closely with larger models that are typically more expensive and slower. The model supports hybrid and on-premises deployments, offering enterprise users full control over customization and integration into their systems. Businesses can leverage Mistral Medium 3 for both large-scale deployments and fine-tuned, domain-specific training, allowing for enhanced efficiency in industries such as healthcare, financial services, and energy. The addition of continuous learning and the ability to integrate with enterprise knowledge bases makes it a flexible, future-proof solution. Customers in beta are already using Mistral Medium 3 to enrich customer service, personalize business processes, and analyze complex datasets, demonstrating its real-world value. Available through various cloud platforms like Amazon Sagemaker, IBM WatsonX, and Google Cloud Vertex, Mistral Medium 3 is now ready to be deployed for custom use cases across a range of industries.

Devstral represents a joint initiative by Mistral AI and All Hands AI, creating an open-source large language model designed explicitly for the field of software engineering. This innovative model exhibits exceptional skill in navigating complex codebases, efficiently managing edits across multiple files, and tackling real-world issues, achieving an impressive 46.8% score on the SWE-Bench Verified benchmark, which positions it ahead of all other open-source models. Built upon the foundation of Mistral-Small-3.1, Devstral features a vast context window that accommodates up to 128,000 tokens. It is optimized for peak performance on advanced hardware configurations, such as Macs with 32GB of RAM or Nvidia RTX 4090 GPUs, and is compatible with several inference frameworks, including vLLM, Transformers, and Ollama. Released under the Apache 2.0 license, Devstral is readily available on various platforms, including Hugging Face, Ollama, Kaggle, Unsloth, and LM Studio, enabling developers to effortlessly incorporate its features into their applications. This model not only boosts efficiency for software engineers but also acts as a crucial tool for anyone engaged in coding tasks, thereby broadening its utility and appeal across the tech community. Furthermore, its open-source nature encourages continuous improvement and collaboration among developers worldwide.

Chatterbox is an innovative voice cloning AI model developed by Resemble AI, available as open-source under the MIT license, that enables zero-shot voice cloning using only a five-second audio sample, eliminating the need for lengthy training periods. This model offers advanced speech synthesis with emotional control, allowing users to adjust the expressiveness of the voice from muted to dramatically animated through a simple parameter. Moreover, Chatterbox supports accent adjustments and text-based control, ensuring output that is both high-quality and remarkably human-like. Its ability to provide faster-than-real-time responses makes it an ideal choice for applications that require immediate interaction, such as virtual assistants and immersive media. Tailored for developers, Chatterbox features easy installation through pip and is accompanied by comprehensive documentation. Additionally, it incorporates watermarking technology via Resemble AI’s PerTh (Perceptual Threshold) Watermarker, which subtly embeds information to protect the authenticity of the synthesized audio. This impressive array of features positions Chatterbox as a highly effective tool for crafting diverse and realistic voice applications. As a result, the model not only appeals to developers but also serves as a significant asset in various creative and professional domains. Its focus on user customization and output quality further broadens its potential applications across numerous industries.

ZenCtrl, developed by Fotographer AI, is a groundbreaking open-source toolkit designed for AI image generation, enabling the creation of high-quality visuals from a single input image without necessitating any prior training. This innovative tool facilitates accurate regeneration of objects and subjects from multiple viewpoints and backgrounds, providing real-time element regeneration that enhances both stability and flexibility during the creative process. Users can effortlessly regenerate subjects from various angles, swap backgrounds or outfits with just a click, and begin producing results immediately, bypassing the need for extensive training. Leveraging advanced image processing techniques, ZenCtrl ensures high precision while reducing the dependency on large training datasets. Its architecture comprises streamlined sub-models, each finely tuned for specific tasks, leading to a lightweight system that yields sharper and more controllable results. The latest version of ZenCtrl brings substantial enhancements to the generation of both subjects and backgrounds, guaranteeing that the final images are not only coherent but also visually captivating. This ongoing improvement demonstrates a dedication to equipping users with the most effective and efficient tools for their creative projects, ensuring that they can achieve their desired outcomes with ease. As the toolkit evolves, users can expect even more features and capabilities that will further streamline their creative workflows.

Hume AI's EVI 3 signifies a significant leap forward in speech-language technology, enabling the real-time streaming of user speech to produce natural and expressive vocal replies. It strikes a balance between conversational latency and the high-quality output typical of our text-to-speech model, Octave, while matching the cognitive prowess of top LLMs that operate at similar velocities. Additionally, it integrates with reasoning models and web search capabilities, allowing it to "think both fast and slow," which aligns its intellectual functions with those found in the most advanced AI technologies. In contrast to conventional models that are limited to a select number of voices, EVI 3 can instantly create a wide variety of new voices and personas, engaging users with an extensive library of over 100,000 custom voices already featured on our text-to-speech platform, each infused with a unique inferred personality. No matter which voice is selected, EVI 3 is capable of expressing a rich array of emotions and styles, either implicitly or explicitly when requested, thus enhancing the overall user experience. This flexibility and sophistication position EVI 3 as an invaluable asset for crafting personalized and engaging conversational interactions, making it a powerful tool for various applications in the realm of communication technology.

Act-Two provides a groundbreaking method for animating characters by capturing and transferring the movements, facial expressions, and dialogue from a performance video directly onto a static image or reference video of the character. To access this functionality, users can select the Gen-4 Video model and click on the Act-Two icon within Runway’s online platform, where they will need to input two essential components: a video of an actor executing the desired scene and a character input that can be either an image or a video clip. Additionally, users have the option to activate gesture control, enabling the precise mapping of the actor's hand and body movements onto the character visuals. Act-Two seamlessly incorporates environmental and camera movements into static images, supports various angles, accommodates non-human subjects, and adapts to different artistic styles while maintaining the original scene's dynamics with character videos, although it specifically emphasizes facial gestures rather than full-body actions. Users also enjoy the ability to adjust facial expressiveness along a scale, aiding in finding a balance between natural motion and character fidelity. Moreover, they can preview their results in real-time and generate high-definition clips up to 30 seconds in length, enhancing the tool's versatility for animators. This innovative technology significantly expands the creative potential available to both animators and filmmakers, allowing for more expressive and engaging character animations. Overall, Act-Two represents a pivotal advancement in animation techniques, offering new opportunities to bring stories to life in captivating ways.

Mirage is a revolutionary new autoregressive model that enables real-time transformation of video into a fresh digital environment without the need for pre-rendering. By leveraging advanced Live-Stream Diffusion (LSD) technology, it achieves a remarkable processing speed of 24 frames per second with latency below 40 milliseconds, ensuring seamless and ongoing video transformations while preserving both motion and structure. This innovative tool is versatile, accommodating inputs from webcams, gameplay, films, and live streams, while also allowing for dynamic real-time style adjustments based on text prompts. To enhance visual continuity, Mirage employs a sophisticated history-augmentation feature that maintains temporal coherence across frames, effectively addressing the glitches often seen in diffusion-only models. With the aid of GPU-accelerated custom CUDA kernels, its performance reaches speeds up to 16 times faster than traditional methods, making uninterrupted streaming a reality. Moreover, it offers real-time previews on both mobile and desktop devices, simplifies integration with any video source, and supports a wide range of deployment options to broaden user accessibility. In summary, Mirage not only redefines digital video manipulation but also paves the way for future innovations in the field. Its unique combination of speed, flexibility, and functionality makes it a standout asset for creators and developers alike.

Z.ai is a flexible and complementary AI assistant that merges the realms of presentations, writing, and coding into a fluid conversational experience. Utilizing cutting-edge language models, it empowers users to design intricate slide decks with AI-generated visuals, generate high-caliber text for diverse applications like emails, reports, and blogs, and even tackle complex coding challenges through writing or debugging code. Beyond just content creation, Z.ai shines in thorough research and information gathering, enabling users to extract data, summarize extensive documents, and overcome writer's block, while its coding assistant can elucidate code snippets, enhance functions, or create scripts from scratch. The intuitive chat interface requires no extensive training; users simply articulate their needs—whether for a strategic presentation, marketing materials, or a script for data analysis—and receive prompt, relevant responses. Additionally, Z.ai supports multiple languages, including Chinese, and boasts an impressive native function invocation along with a support for a substantial 128K token context, making it adept at facilitating everything from brainstorming ideas to automating repetitive writing and coding tasks. This makes it an essential resource for professionals in a wide array of disciplines. Ultimately, Z.ai's all-encompassing approach ensures that users can handle complicated projects with both comfort and effectiveness.

Seed Diffusion Preview represents a cutting-edge language model tailored for code generation that utilizes discrete-state diffusion, enabling it to generate code in a non-linear fashion, which significantly accelerates inference times without sacrificing quality. This pioneering methodology follows a two-phase training procedure that consists of mask-based corruption coupled with edit-based enhancement, allowing a typical dense Transformer to strike an optimal balance between efficiency and accuracy while steering clear of shortcuts such as carry-over unmasking, thereby ensuring rigorous density estimation. Remarkably, the model achieves an impressive inference rate of 2,146 tokens per second on H20 GPUs, outperforming existing diffusion benchmarks while either matching or exceeding accuracy on recognized code evaluation metrics, including various editing tasks. This exceptional performance not only establishes a new standard for the trade-off between speed and quality in code generation but also highlights the practical effectiveness of discrete diffusion techniques in real-world coding environments. Furthermore, its achievements pave the way for improved productivity in coding tasks across diverse platforms, potentially transforming how developers approach code generation and refinement.

Qwen-Image is a state-of-the-art multimodal diffusion transformer (MMDiT) foundation model that excels in generating images, rendering text, editing, and understanding visual content. This model is particularly noted for its ability to seamlessly integrate intricate text elements, utilizing both alphabetic and logographic scripts in images while ensuring precision in typography. It accommodates a diverse array of artistic expressions, ranging from photorealistic imagery to impressionism, anime, and minimalist aesthetics. Beyond mere creation, Qwen-Image boasts sophisticated editing capabilities such as style transfer, object addition or removal, enhancement of details, in-image text adjustments, and the manipulation of human poses with straightforward prompts. Additionally, the model’s built-in vision comprehension functions—like object detection, semantic segmentation, depth and edge estimation, novel view synthesis, and super-resolution—significantly bolster its capacity for intelligent visual analysis. Accessible via well-known libraries such as Hugging Face Diffusers, it is also equipped with tools for prompt enhancement, supporting multiple languages and thereby broadening its utility for creators in various disciplines. Overall, Qwen-Image’s extensive functionalities render it an invaluable resource for both artists and developers eager to delve into the confluence of visual art and technological innovation, making it a transformative tool in the creative landscape.

FLUX.1 Krea [dev] represents a state-of-the-art open-source diffusion transformer boasting 12 billion parameters, collaboratively developed by Krea and Black Forest Labs, and is designed to deliver remarkable aesthetic accuracy and photorealistic results while steering clear of the typical “AI look.” Fully embedded within the FLUX.1-dev ecosystem, this model is based on a foundational framework (flux-dev-raw) that encompasses a vast array of world knowledge. It employs a two-phase post-training strategy that combines supervised fine-tuning using a thoughtfully curated mix of high-quality and synthetic samples, alongside reinforcement learning influenced by human feedback derived from preference data to refine its stylistic outputs. Additionally, through the creative application of negative prompts during pre-training, coupled with specialized loss functions aimed at classifier-free guidance and precise preference labeling, it achieves significant improvements in quality with less than one million examples, all while eliminating the need for complex prompts or supplementary LoRA modules. This innovative methodology not only enhances the quality of the model's outputs but also establishes a new benchmark in the realm of AI-generated visual content, showcasing the potential for future advancements in this dynamic field.

GPT-5 mini is a faster, more affordable variant of OpenAI’s advanced GPT-5 language model, specifically tailored for well-defined and precise tasks that benefit from high reasoning ability. It accepts both text and image inputs (image input only), and generates high-quality text outputs, supported by a large 400,000-token context window and a maximum of 128,000 tokens in output, enabling complex multi-step reasoning and detailed responses. The model excels in providing rapid response times, making it ideal for use cases where speed and efficiency are critical, such as chatbots, customer service, or real-time analytics. GPT-5 mini’s pricing structure significantly reduces costs, with input tokens priced at $0.25 per million and output tokens at $2 per million, offering a more economical option compared to the flagship GPT-5. While it supports advanced features like streaming, function calling, structured output generation, and fine-tuning, it does not currently support audio input or image generation capabilities. GPT-5 mini integrates seamlessly with multiple API endpoints including chat completions, responses, embeddings, and batch processing, providing versatility for a wide array of applications. Rate limits are tier-based, scaling from 500 requests per minute up to 30,000 per minute for higher tiers, accommodating small to large scale deployments. The model also supports snapshots to lock in performance and behavior, ensuring consistency across applications. GPT-5 mini is ideal for developers and businesses seeking a cost-effective solution with high reasoning power and fast throughput. It balances cutting-edge AI capabilities with efficiency, making it a practical choice for applications demanding speed, precision, and scalability.

GPT-5 nano is OpenAI’s fastest and most cost-efficient version of the GPT-5 model, engineered to handle high-speed text and image input processing for tasks such as summarization, classification, and content generation. It features an extensive 400,000-token context window and can output up to 128,000 tokens, allowing for complex, multi-step language understanding despite its focus on speed. With ultra-low pricing—$0.05 per million input tokens and $0.40 per million output tokens—GPT-5 nano makes advanced AI accessible to budget-conscious users and developers working at scale. The model supports a variety of advanced API features, including streaming output, function calling for interactive applications, structured outputs for precise control, and fine-tuning for customization. While it lacks support for audio input and web search, GPT-5 nano supports image input, code interpretation, and file search, broadening its utility. Developers benefit from tiered rate limits that scale from 500 to 30,000 requests per minute and up to 180 million tokens per minute, supporting everything from small projects to enterprise workloads. The model also offers snapshots to lock performance and behavior, ensuring consistent results over time. GPT-5 nano strikes a practical balance between speed, cost, and capability, making it ideal for fast, efficient AI implementations where rapid turnaround and budget are critical. It fits well for applications requiring real-time summarization, classification, chatbots, or lightweight natural language processing tasks. Overall, GPT-5 nano expands the accessibility of OpenAI’s powerful AI technology to a broader user base.

NVIDIA Cosmos is an innovative platform designed specifically for developers, featuring state-of-the-art generative World Foundation Models (WFMs), sophisticated video tokenizers, robust safety measures, and an efficient data processing and curation system that enhances the development of physical AI technologies. This platform equips developers engaged in fields like autonomous vehicles, robotics, and video analytics AI agents with the tools needed to generate highly realistic, physics-informed synthetic video data, drawing from a vast dataset that includes 20 million hours of both real and simulated footage. As a result, it allows for the quick simulation of future scenarios, the training of world models, and the customization of particular behaviors. The architecture of the platform consists of three main types of WFMs: Cosmos Predict, capable of generating up to 30 seconds of continuous video from diverse input modalities; Cosmos Transfer, which adapts simulations to function effectively across varying environments and lighting conditions, enhancing domain augmentation; and Cosmos Reason, a vision-language model that applies structured reasoning to interpret spatial-temporal data for effective planning and decision-making. Through these advanced capabilities, NVIDIA Cosmos not only accelerates the innovation cycle in physical AI applications but also promotes significant advancements across a wide range of industries, ultimately contributing to the evolution of intelligent technologies.

NVIDIA has developed Isaac GR00T (Generalist Robot 00 Technology) as a pioneering research initiative designed to facilitate the development of adaptable humanoid robot foundation models and the relevant data processes. Among its offerings is the Isaac GR00T-N model, which is supplemented by synthetic motion templates, GR00T-Mimic for refining demonstrations, and GR00T-Dreams, a feature that produces new synthetic pathways to advance humanoid robotics swiftly. A notable recent advancement is the release of the open-source Isaac GR00T N1 foundation model, which boasts a dual cognitive architecture encompassing a quick-acting “System 1” model and a language-capable, analytical “System 2” model for reasoning. The upgraded GR00T N1.5 version incorporates substantial enhancements, such as better vision-language grounding, superior execution of language directives, heightened adaptability through few-shot learning, and compatibility with various robot forms. By leveraging tools like Isaac Sim, Lab, and Omniverse, the GR00T platform empowers developers to train, simulate, post-train, and deploy flexible humanoid agents that utilize both real and synthetic data effectively. This holistic strategy not only accelerates advancements in robotics research but also paves the way for groundbreaking innovations in the realm of humanoid robotic applications, promising to reshape the landscape of the industry.

DeepSeek V3.1 emerges as a groundbreaking open-weight large language model, featuring an astounding 685-billion parameters and an extensive 128,000-token context window that enables it to process lengthy documents similar to 400-page novels in a single run. This model encompasses integrated capabilities for conversation, reasoning, and code generation within a unified hybrid framework that effectively blends these varied functionalities. Additionally, V3.1 supports multiple tensor formats, allowing developers to optimize performance across different hardware configurations. Initial benchmark tests indicate impressive outcomes, with a notable score of 71.6% on the Aider coding benchmark, placing it on par with or even outperforming competitors like Claude Opus 4, all while maintaining a significantly lower cost. Launched under an open-source license on Hugging Face with minimal promotion, DeepSeek V3.1 aims to transform the availability of advanced AI solutions, potentially challenging the traditional landscape dominated by proprietary models. The model's innovative features and affordability are likely to attract a diverse array of developers eager to implement state-of-the-art AI technologies in their applications, thus fostering a new wave of creativity and efficiency in the tech industry.

OpenAI has launched GPT-Realtime, its most advanced speech-to-speech model, accessible through the fully functional Realtime API. This innovative model generates audio that is not only strikingly natural but also rich in expressiveness, enabling users to customize aspects such as tone, speed, and accent with precision. It demonstrates an impressive capability to grasp intricate human audio signals, including laughter, and can fluidly switch languages mid-conversation while accurately interpreting alphanumeric data, like phone numbers, across different languages. With significant improvements in reasoning and instruction-following skills, it has achieved remarkable scores of 82.8% on the BigBench Audio benchmark and 30.5% on MultiChallenge. Moreover, it boasts enhanced function calling abilities that offer increased reliability, speed, and accuracy, reflected in a score of 66.5% on ComplexFuncBench. The model also supports asynchronous tool invocation, ensuring that conversations remain coherent even during lengthy discussions. Additionally, the Realtime API rolls out groundbreaking features, such as image input support, integration with SIP phone networks, links to remote MCP servers, and efficient reuse of conversation prompts, which collectively position it as an essential asset for advancing communication technology. This holistic enhancement in capabilities truly sets a new standard in the field.

Hermes 4 marks a significant leap forward in Nous Research's lineup of neutrally aligned, steerable foundational models, showcasing advanced hybrid reasoners capable of seamlessly shifting between creative, expressive outputs and succinct, efficient answers tailored to user needs. This model is designed to emphasize user and system commands above any corporate ethical considerations, resulting in a more conversational and engaging interaction style that avoids sounding overly authoritative or ingratiating, while also promoting opportunities for imaginative roleplay. By incorporating a specific tag in prompts, users can unlock a higher level of reasoning that is resource-intensive, enabling them to tackle complex problems without sacrificing efficiency for simpler inquiries. With a training dataset that is 50 times larger than that of Hermes 3, much of which has been synthetically generated through Atropos, Hermes 4 shows significant performance improvements. This evolution not only enhances accuracy but also expands the scope of applications for which the model can be utilized effectively. Furthermore, the increased capabilities of Hermes 4 pave the way for innovative uses across various domains, demonstrating a strong commitment to advancing user experiences.

K2 Think is an innovative open-source advanced reasoning model that has emerged from a collaborative effort between the Institute of Foundation Models at MBZUAI and G42. Despite having a relatively modest size of 32 billion parameters, K2 Think delivers performance that competes with top-tier models that possess much larger parameter counts. Its primary strength is in mathematical reasoning, where it has achieved excellent rankings on distinguished benchmarks, including AIME ’24/’25, HMMT ’25, and OMNI-Math-HARD. This model is part of a broader initiative aimed at developing open models in the UAE, which also encompasses Jais (for Arabic), NANDA (for Hindi), and SHERKALA (for Kazakh). It builds on the foundational work laid by the K2-65B, a fully reproducible open-source foundation model that was introduced in 2024. K2 Think is designed to be open, efficient, and versatile, featuring a web app interface that encourages user interaction and exploration. Its cutting-edge approach to parameter positioning signifies a notable leap forward in creating compact architectures for high-level AI reasoning. Furthermore, its development underscores a commitment to improving access to advanced AI technologies across multiple languages and sectors, ultimately fostering greater inclusivity in the field.

Ray3, created by Luma Labs, represents a state-of-the-art video generation platform that equips creators with the tools to produce visually stunning narratives at a professional level. This groundbreaking model enables the creation of native 16-bit High Dynamic Range (HDR) videos, leading to more vibrant colors, deeper contrasts, and an efficient workflow similar to those utilized in premium studios. It employs sophisticated physics to ensure consistency in key aspects like motion, lighting, and reflections, while providing users with visual controls to enhance their projects. Additionally, Ray3 includes a draft mode that allows for quick concept exploration, which can subsequently be polished into breathtaking 4K HDR outputs. The model is skilled in interpreting prompts with nuance, understanding creative intent, and performing initial self-assessments of drafts to refine scene and motion accuracy. Furthermore, it boasts features like keyframe support, looping and extending capabilities, upscaling options, and the ability to export individual frames, making it an essential tool for smooth integration into professional creative workflows. By leveraging these functionalities, creators can significantly amplify their storytelling through captivating visual experiences that resonate deeply with audiences, ultimately transforming how narratives are brought to life.

DeepSeek has introduced DeepSeek-V3.1-Terminus, an enhanced version of the V3.1 architecture that incorporates user feedback to improve output reliability, uniformity, and overall performance of the agent. This upgrade notably reduces the frequency of mixed Chinese and English text as well as unintended anomalies, resulting in a more polished and cohesive language generation experience. Furthermore, the update overhauls both the code agent and search agent subsystems, yielding better and more consistent performance across a range of benchmarks. DeepSeek-V3.1-Terminus is released as an open-source model, with its weights made available on Hugging Face, thereby facilitating easier access for the community to utilize its functionalities. The model's architecture stays consistent with that of DeepSeek-V3, ensuring compatibility with existing deployment strategies, while updated inference demonstrations are provided for users to investigate its capabilities. Impressively, the model functions at a massive scale of 685 billion parameters and accommodates various tensor formats, such as FP8, BF16, and F32, which enhances its adaptability in diverse environments. This versatility empowers developers to select the most appropriate format tailored to their specific requirements and resource limitations, thereby optimizing performance in their respective applications.