List of the Top 12 AI Agent Builders for Claude Sonnet 3.7 in 2026

The Gemini Enterprise Agent Platform provides a robust collection of AI Agent Builders that empower organizations to design and personalize smart agents for specific functions. With these innovative tools, users can create, train, and implement agents capable of automating workflows, handling customer interactions, and improving decision-making capabilities. Utilizing ready-made models enables businesses to speed up the development and launch of AI agents, thus shortening their time to market. New users are welcomed with $300 in complimentary credits, allowing them to explore various agent-building tools and refine solutions that align with their operational objectives. The platform features an intuitive interface and offers comprehensive support for ongoing enhancements, ensuring that companies can expand their AI agent capabilities as needed.

StackAI is an enterprise AI automation platform built to help organizations create end-to-end internal tools and processes with AI agents. Unlike point solutions or one-off chatbots, StackAI provides a single platform where enterprises can design, deploy, and govern AI workflows in a secure, compliant, and fully controlled environment. Using its visual workflow builder, teams can map entire processes — from data intake and enrichment to decision-making, reporting, and audit trails. Enterprise knowledge bases such as SharePoint, Confluence, Notion, Google Drive, and internal databases can be connected directly, with features for version control, citations, and permissioning to keep information reliable and protected. AI agents can be deployed in multiple ways: as a chat assistant embedded in daily workflows, an advanced form for structured document-heavy tasks, or an API endpoint connected into existing tools. StackAI integrates natively with Slack, Teams, Salesforce, HubSpot, ServiceNow, Airtable, and more. Security and compliance are embedded at every layer. The platform supports SSO (Okta, Azure AD, Google), role-based access control, audit logs, data residency, and PII masking. Enterprises can monitor usage, apply cost controls, and test workflows with guardrails and evaluations before production. StackAI also offers flexible model routing, enabling teams to choose between OpenAI, Anthropic, Google, or local LLMs, with advanced settings to fine-tune parameters and ensure consistent, accurate outputs. A growing template library speeds deployment with pre-built solutions for Contract Analysis, Support Desk Automation, RFP Response, Investment Memo Generation, and InfoSec Questionnaires. By replacing fragmented processes with secure, AI-driven workflows, StackAI helps enterprises cut manual work, accelerate decision-making, and empower non-technical teams to build automation that scales across the organization.

Assemble and oversee teams of AI agents leveraging our Mixture of Experts (MoE) framework. Develop specialized digital personnel equipped with customized knowledge, language models, triggers, and tools specifically designed for your needs. Increase your operational capacity by enhancing computational resources rather than increasing staff numbers. Streamline the automation of intricate tasks effortlessly, eliminating the necessity for any coding skills. This innovative approach allows for greater efficiency and adaptability in managing your AI workforce.

Lemni is a groundbreaking AI platform designed to help businesses develop customized AI agents for various customer interactions, thereby providing a tailored experience as they grow. These smart agents can handle numerous tasks, including making phone calls, offering email assistance, and conducting proactive outreach, allowing companies to expand without the need for a large increase in staff. Engineered for swift deployment, Lemni enables users to launch AI agents in just minutes, even if they lack advanced technical expertise. As the platform approaches its pre-launch phase, it invites interested users to sign up for a waitlist to gain early access. In an era where swift, accurate, and personalized responses are crucial, customers frequently face dull chatbots, impersonal emails, and extended waiting periods. It is vital to restore a sense of personalization while scaling business operations effectively. AI agents act like well-trained employees, always prepared to engage while ensuring you maintain control over the process. With Lemni, you have the opportunity to tailor every customer interaction, which not only guarantees a distinctive and personal experience but also significantly boosts customer loyalty and satisfaction. Ultimately, Lemni is set to revolutionize how businesses connect with their customers, making interactions more engaging and efficient.

Nelly functions as a comprehensive AI agent platform that allows users to effortlessly create, test, share, and deploy AI agents, all without the need for any coding expertise. Through the use of Nelly Studio, users can craft tailored AI agents by inputting natural language directives and utilizing various formatting options like headings and lists. These agents can be augmented with a range of tools, such as web browsers and databases, enabling them to execute their assigned tasks effectively. Users can address intricate problems by segmenting them into manageable parts and delegating those to specialized sub-agents, fostering a cooperative team of agents that can handle complex workflows efficiently. Nelly facilitates seamless and natural conversations with AI agents, which understand context and maintain a consistent dialogue, eliminating the need for rigid commands or specific syntax. Conversations are organized into threads, enhancing both clarity and efficiency. Additionally, users can establish departments and organize their agents using a straightforward drag-and-drop interface, which aids in building an optimal AI team and boosts overall productivity. This platform not only simplifies AI interactions but also allows users to tailor their engagement to fit their specific requirements, making the experience more personalized. Ultimately, Nelly empowers users to harness the full potential of AI in a way that suits their individual preferences and workflow needs.

VoltAgent is a powerful open-source framework for TypeScript that enables developers to build, customize, and manage AI agents with unmatched precision, speed, and an outstanding developer experience. This framework provides a complete suite of tools aimed at creating enterprise-quality AI agents, which supports the development of production-ready solutions through seamless APIs, utilities, and memory functionalities. A standout feature is its tool calling capability, which empowers agents to perform functions, interact with diverse systems, and execute designated tasks. VoltAgent simplifies the transition between various AI service providers with a unified API that requires only minimal code adjustments. Additionally, it offers dynamic prompting, which promotes experimentation, fine-tuning, and the iterative development of AI prompts in a cohesive setting. Its persistent memory feature allows agents to store and access previous interactions, thus enhancing their intelligence and contextual awareness. Furthermore, VoltAgent facilitates collaborative work by implementing supervisor agent orchestration, enabling the formation of complex multi-agent systems directed by a central supervisor agent that oversees specialized agents. This orchestration not only increases efficiency but also supports the development of sophisticated workflows tailored to meet specific application requirements. Ultimately, VoltAgent stands out as an indispensable tool for developers seeking to harness the full potential of AI technology.

Strands Agents SDK is a powerful open-source framework built to help developers design, control, and deploy AI agents with greater flexibility and reliability. Supporting both Python and TypeScript, it enables developers to build agents using familiar programming paradigms without relying on complex orchestration systems. The SDK allows tools to be defined as simple functions, which the AI model can call dynamically during execution. This approach removes the need for rigid pipelines and gives developers more control over how agents behave. It is compatible with any AI model or cloud provider, making it highly adaptable for different environments and enterprise needs. A key feature of Strands is its steering system, which allows developers to intercept and guide agent actions before and after execution. This improves accuracy, safety, and compliance by ensuring that agents follow defined rules. The SDK also supports multi-agent architectures, enabling collaboration between agents to solve complex tasks. Built-in memory management helps maintain context across extended conversations, reducing the need for manual token handling. Observability tools provide insights into agent performance, including tool usage, model calls, and execution flow. Additionally, the evaluation SDK allows developers to test and refine agent behavior before deploying to production. Overall, Strands Agents SDK delivers a modern, developer-friendly approach to building scalable, intelligent, and controllable AI agents.

Explore our vast library, modify existing tools, or craft custom features to efficiently analyze and manage text, audio, and video content on a massive scale. You can seamlessly incorporate advanced NLP capabilities into your applications or workflows, choosing between utilizing the available library resources or designing bespoke solutions. Effortlessly summarize, classify, and scrutinize language with modular and flexible NLP components based on the latest models, all accessible through a single API call. Leverage our powerful Custom-Skill engine to develop and fine-tune tailored Language Skills using your unique datasets. Given that only 5% of the world’s population speaks English as their first language, it is impressive that many of One AI’s services are designed to support multiple languages. This means that whether you are building a podcast platform, customer relationship management system, content publishing application, or any other product, you will have access to features including language detection, processing, transcription, analytics, and comprehension capabilities, providing a comprehensive user experience across various languages. This adaptability not only allows developers to reach a broader audience but also significantly enhances user engagement, making your applications more inclusive and effective. By tapping into these resources, you can create innovative solutions that meet the diverse needs of your users.

Introducing a comprehensive AI assistant tailored for individuals or teams, which leverages the most recent breakthroughs in large language models, online search functions, and image creation technology. This unique assistant allows you to enjoy the benefits of state-of-the-art technology all in one place! Effortlessly integrate it with collaboration tools such as Slack or Teams, and customize chatbots and AI agents according to your specific requirements. It boasts greater functionality and user-friendliness, exceeding the capabilities of ChatGPT. Furthermore, this groundbreaking tool is poised to revolutionize your AI interactions, making them more efficient and effective than ever before.

With YouPro, you can unlock the vast capabilities of cutting-edge AI models right at your fingertips. This innovative platform enables you to conduct searches, write code, create text, and generate images all in one unified space. You can engage in conversational web searches that provide highly precise and exhaustive results. The advanced AI reasoning features offer deeper insights and more reliable research findings. Moreover, the robust AI art generator allows you to create an unlimited variety of striking images that are perfect for emails, website content, printed materials, and beyond, all free from copyright or royalty restrictions. You'll have access to multiple AI models, such as GPT-4o, OpenAI o1, and Claude 3.5 Sonnet, providing a broad spectrum of functionalities. Enjoy the ease of unlimited file uploads, accommodating files of up to 50MB per query, and make the most of a boundless number of queries across all AI models, including Research and Custom Agents, for a truly all-encompassing experience. This platform is crafted to equip users with pioneering tools that enhance both creativity and productivity, making it an indispensable resource for anyone looking to maximize their potential. Additionally, the user-friendly interface ensures that even those new to AI can easily navigate and take full advantage of its features.

i10X is a cutting-edge platform driven by artificial intelligence, providing access to over 500 specialized AI agents designed to aid users in various tasks such as copywriting, customer service, research, and boosting productivity. By offering a centralized hub for leading models like ChatGPT, Claude, Perplexity, and Gemini, it allows users to reduce costs by merging multiple AI subscriptions into a single, economical plan. Each AI agent is meticulously developed by prompt experts to ensure the delivery of high-quality, dependable outcomes across numerous sectors, including creativity, marketing, legal, business strategy, design, and personal efficiency. Catering to startups and individual entrepreneurs, the user-friendly i10X platform enables effective process automation and operational scaling. The continuous introduction of new agents and features keeps the platform at the forefront of AI advancements, ensuring users have access to the latest tools without the hassle of complex setups or integrations. Furthermore, i10X's dedication to progress empowers users to maintain a competitive edge in the fast-changing AI landscape while fostering innovation and creativity. By streamlining access to essential resources, i10X ultimately enhances user experience and productivity.

Amazon Bedrock serves as a robust platform that simplifies the process of creating and scaling generative AI applications by providing access to a wide array of advanced foundation models (FMs) from leading AI firms like AI21 Labs, Anthropic, Cohere, Meta, Mistral AI, Stability AI, and Amazon itself. Through a streamlined API, developers can delve into these models, tailor them using techniques such as fine-tuning and Retrieval Augmented Generation (RAG), and construct agents capable of interacting with various corporate systems and data repositories. As a serverless option, Amazon Bedrock alleviates the burdens associated with managing infrastructure, allowing for the seamless integration of generative AI features into applications while emphasizing security, privacy, and ethical AI standards. This platform not only accelerates innovation for developers but also significantly enhances the functionality of their applications, contributing to a more vibrant and evolving technology landscape. Moreover, the flexible nature of Bedrock encourages collaboration and experimentation, allowing teams to push the boundaries of what generative AI can achieve.