List of the Top 25 AI Agent Builders for ChatGPT in 2026

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.

Store, sign, and secure your documents on Box, the leading Intelligent Content Management platform. Built for the AI-first era, Box simplifies your tech stack and conserves cost with one secure, end-to-end solution for the entire content lifecycle.

Zapier is a powerful AI and automation platform built to help teams orchestrate workflows across their entire tech stack. It connects more than 8,000 apps, enabling seamless automation between tools, data, and AI systems. Zapier allows users to create advanced multi-step workflows enhanced with AI decision-making. Teams can build custom AI agents that handle tasks like lead qualification, IT support, and customer responses. AI chatbots and AI-assisted workflow builders make automation accessible to non-technical users. Zapier centralizes data using tables and forms to power intelligent automations. The platform provides enterprise-grade security with SOC 2 and SOC 3 compliance. Full observability ensures teams can monitor, audit, and optimize every automation. Zapier supports role-based access controls and single sign-on for enterprise governance. It scales from personal productivity to company-wide automation programs. Zapier helps organizations move faster without sacrificing control or security. It enables real-world AI adoption that delivers measurable ROI.

Kimiyi is a next-generation generative conversational AI platform that enables businesses to build lifelike AI agents or digital humans tailored to specific organizational needs. The platform offers a simple, step-by-step process to create AI agents by choosing from a vast library or designing custom avatars representing a broad spectrum of ethnicities, ages, and styles to suit diverse audiences. Users train these AI agents by uploading documents or URLs, equipping them with domain-specific knowledge for accurate and contextual responses. Kimiyi’s AI agents provide 24/7 interactive support, delivering instant answers to user questions, analyzing engagement in real time, and offering actionable insights to improve service. The platform supports a wide range of roles including AI sales assistants that drive personalized product recommendations, corporate trainers facilitating interactive learning, customer service agents that troubleshoot issues, and office assistants that manage tasks and summarize documents. Kimiyi serves various industries such as e-commerce, hotels, and museums by enhancing customer experiences through personalized, conversational interactions. Its user-friendly interface is complemented by comprehensive video tutorials and responsive support, ensuring a smooth onboarding process for all users. Kimiyi’s AI avatars and agents adapt seamlessly to multiple business applications, automating routine interactions while maintaining a human touch. The platform emphasizes innovation, accessibility, and scalability, making AI-powered assistance available to organizations of all sizes. Ultimately, Kimiyi transforms how companies engage customers, train employees, and streamline operations with conversational AI.

Echobase provides a solution for teams to generate, examine, and query data straight from their files without any initial financial obligations, eliminating the need for credit cards. Through this platform, users can develop AI Agents customized to meet their specific business requirements. These agents are capable of undertaking various activities, ranging from responding to straightforward inquiries to conducting intricate analyses, consolidating information, and executing tasks efficiently. Additionally, Echobase empowers organizations to enhance their operational capabilities and optimize decision-making through the use of intelligent automation.

AgentGPT allows individuals to establish and deploy AI agents that are customized to meet their specific needs. Users have the ability to design a unique AI that embarks on a mission selected by them, where it will devise strategies, execute tasks, and adjust its approach based on the results it encounters. This iterative process fosters ongoing enhancement and the fine-tuning of goals, leading to heightened effectiveness in accomplishing its aims. As the AI learns from each experience, it becomes more adept at navigating challenges and optimizing its performance over time.

This Python script is an illustration of an AI-driven task management system that integrates OpenAI and Chroma for the formulation, prioritization, and execution of tasks. The core idea behind this system is to generate tasks guided by the results of previous endeavors and a specified goal. By leveraging the natural language processing capabilities of OpenAI, the script creates new tasks that align with the main objective, while Chroma is used to store and retrieve task results, supplying essential context. In essence, this script acts as a simplified version of the original Task-Driven Autonomous Agent and showcases the potential of AI in task management. The operational flow of the script is governed by an infinite loop that meticulously follows these steps: 1. It extracts the initial task from the task list. 2. This task is then sent to the execution agent, which utilizes OpenAI's API to perform the task within the relevant context. 3. The output is refined and logged in Chroma. 4. The script generates new tasks and reorganizes the task list, considering both the defined objective and the results from the prior task. 5. This continuous loop promotes an adaptable approach to task management, ensuring that workflows are optimized based on real-time feedback and insights. Overall, the script's framework supports a fluid task management process that evolves in response to changing circumstances.

Create a multifunctional AI agent by utilizing your personalized dataset and leveraging advanced models such as ChatGPT, GPT-4, Gemini, or Anthropic. Seamlessly deploy your AI agent across a multitude of web platforms, including WordPress, Webflow, Shopify, and Squarespace, providing users with an advanced chatbot experience. Begin the process by giving your AI agent a distinctive name, developing its backstory, defining its roles, and equipping it with specialized knowledge. Construct your own version of ChatGPT without needing any programming expertise, as you can provide instructions to your AI agent in everyday language. Tailor it to meet your unique needs in real-time to ensure peak efficiency. Our service enables multi-channel integration, allowing you to launch a personalized ChatGPT on platforms like Slack, WhatsApp, email, and SMS. Amplify your business processes with a bespoke ChatGPT AI agent. Users can engage by liking, subscribing, and interacting with community-generated agents, while also having the opportunity to share their own creations. AgentX stands out by offering a customizable experience, allowing users to mix and match different large language models from various sources for their projects. This adaptability guarantees that your AI agent is specifically designed for your requirements while remaining at the forefront of AI advancements. Additionally, the platform encourages collaboration and innovation among users, fostering a thriving ecosystem of AI development.

Latenode merges the simplicity of no-code solutions with the depth of full-code options and AI-enhanced insights, enabling effortless interactions between services that utilize APIs. Users have the flexibility to either work with no-code nodes for quick deployments or write custom scripts for more specialized needs. Rather than spending hours navigating through API documentation, you can communicate your requirements directly to the AI assistant, which will generate pre-assembled code tailored to your specifications. This powerful platform is designed to optimize the integration of various marketing tools, creating a unified system that reduces data discrepancies and enhances operational efficiency through smooth integration. Users can easily connect with popular SaaS applications using available connectors or develop bespoke code as required. For instance, you can effortlessly send alerts via Slack to your team while simultaneously dispatching email confirmations to your clients. Furthermore, the platform supports conditional logic, allowing you to intelligently control your scripts based on the data received, significantly improving functionality. With a complete cloud-based toolkit for API creation, you can craft workflows that seamlessly link any applications together, thereby streamlining processes across the board. By harnessing these features, teams can elevate their productivity and refine their communication strategies, ultimately leading to better collaboration and results. This integration-driven approach encourages innovation and ensures that users can adapt to changing demands with ease.

Create AI agents capable of effortlessly pinpointing your ideal customers online, distributing engaging content, and generating a larger pool of high-intent leads eager to buy what you offer. Fyli presents a comprehensive suite of features aimed at significantly improving your marketing tactics. With our AI agents, you can efficiently manage content distribution across multiple platforms, saving both time and resources. Fyli carefully evaluates all content to determine what resonates most with your audience, enabling you to concentrate on the most effective strategies. By leveraging cutting-edge AI technology, Fyli produces genuine and compelling content specifically crafted for your brand’s needs. Furthermore, you can work alongside Fyli in a copilot mode, where post reviews, approvals, and scheduling become a breeze. Fyli continually explores the internet to discover high-intent leads ready to make a purchase. By automating your marketing processes with dedicated AI agents that operate tirelessly, you can achieve a level of efficiency that is unmatched. Additionally, Fyli streamlines the task of monitoring your target audience by keeping track of relevant subreddits and keywords, helping you identify potential customers discussing the issues your product solves. This gives you the opportunity to engage in meaningful dialogues and introduce your product when it naturally fits into the conversation. In a constantly changing digital environment, Fyli equips you with the tools needed to adapt and excel, ensuring your marketing efforts are both current and impactful, while also allowing for continuous improvement based on real-time feedback.

Explore an extensive variety of AI models, such as Gemini, ChatGPT, and Claude, all housed in a single platform, which allows you to effortlessly develop your own AI agent capable of automating workflows in mere minutes. Enjoy the ease of AI-powered chat, providing responses that closely resemble natural human dialogue for both you and your clients. Training your AI agents is incredibly straightforward; simply upload documents like PDFs or DocX files and seamlessly integrate with tools like Notion and Drive to boost your agent's capabilities. The level of customization is impressive, enabling you to tailor aspects like your brand name, color palette, domain, and much more to fit your needs. Moreover, it connects smoothly with leading social media channels such as WhatsApp, Messenger, and Telegram. Your API keys are securely stored on your device, eliminating the hassle of software installations. With an intuitive prompt library designed for effortless engagement with our AI chatbot, you'll discover all the resources you require just a click away. Our mission is to enhance your productivity, allowing you to focus on daily responsibilities and client interactions with remarkable simplicity, ultimately improving your overall work efficiency. Additionally, this platform is designed to adapt to your evolving needs, ensuring that your experience remains seamless as technology progresses.

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.

Portia AI serves as an open-source framework designed for developers, offering optional cloud services that empower teams to swiftly create, deploy, and manage stateful AI agents with user authentication, all while preserving complete oversight and control throughout the entire process. To kick off their work, developers utilize the SDK to craft well-structured multi-step "plans" that blend large language model reasoning with various tool interactions, executing these plans in stages and refining the plan's state incrementally; they can also pause to request clarifications or additional inputs from either human users or machines whenever further information or authentication is required. The framework includes a robust authentication system along with a customizable catalog of tools, allowing Portia to seamlessly handle the necessary credentials and permissions for remote API and MCP tool interactions. Additionally, the built-in cloud solution offers persistent storage for tracking execution states of plans, maintaining historical logs, providing telemetry dashboards, and facilitating managed scaling, which together ensures that deployments in production are reliable, traceable, and compliant with relevant regulations. This holistic strategy not only streamlines the development journey but also significantly boosts the efficiency and performance of AI agent deployments, making it easier for teams to innovate and adapt in a rapidly changing environment. Ultimately, Portia AI presents a compelling solution for those looking to harness the power of AI while ensuring operational integrity and flexibility.

MCP-Use is an open-source platform aimed at developers, offering a comprehensive suite of SDKs, cloud infrastructure, and a user-friendly control interface to aid in the development, management, and deployment of AI agents based on the Model Context Protocol (MCP). This platform supports connections to multiple MCP servers, each providing unique tool capabilities such as web browsing, file management, and specialized third-party integrations, all conveniently accessed through a singular MCPClient. Developers can create tailored agents (via MCPAgent) capable of intelligently selecting the most appropriate server for individual tasks by utilizing configurable pipelines or a built-in server management system. It simplifies essential processes including authentication, access control management, audit logging, observability, and the establishment of sandboxed runtime environments, ensuring that both self-hosted and managed MCP applications are ready for production. Additionally, MCP-Use enhances the developer experience by seamlessly integrating with popular frameworks like LangChain (Python) and LangChain.js (TypeScript), which accelerates the creation of AI agents equipped with a variety of tools. Furthermore, its intuitive architecture not only fosters creativity but also encourages developers to explore and innovate with new AI capabilities more effectively, ultimately driving the advancement of AI technology.

Dabe is a groundbreaking no-code AI automation platform that enables users to easily create customized AI "teammates" by simply describing tasks in plain language, thus removing the necessity for any programming or intricate configurations. The platform seamlessly connects with a wide array of 250 to 350 applications, including popular tools like Gmail, Slack, and Notion, and it autonomously generates workflows that operate continuously, handle retries independently, and notify users when human intervention is necessary. Dabe features a visual workflow designer that assists users in outlining agent behaviors, along with a collection of templates that accelerate the setup process. Users can effortlessly scale their operations by deploying an unlimited number of AI agents, each capable of operating independently while ensuring complete control over data and task permissions. This intuitive, natural language interface transforms laborious workflows into automated processes, allowing anyone on the team to manage tasks with ease. In addition to enhancing productivity, Dabe fosters collaboration by making automation accessible to all team members, ultimately streamlining operations and driving efficiency across the board. With its comprehensive capabilities, Dabe empowers teams to not only work smarter but also to innovate how they approach their daily tasks.

AgentKit provides a comprehensive suite of tools designed to streamline the development, deployment, and refinement of AI agents. At the heart of this platform is Agent Builder, a user-friendly visual interface that enables developers to construct multi-agent workflows effortlessly through a drag-and-drop system, implement necessary guardrails, preview running processes, and oversee various versions of workflows. The Connector Registry is essential for consolidating the management of data and tool integrations across multiple workspaces, thereby facilitating effective governance and access control. Furthermore, ChatKit allows for the smooth incorporation of interactive chat interfaces, which can be customized to align with specific branding and user experience needs, into both web and app environments. To maintain optimal performance and reliability, AgentKit enhances its evaluation framework with extensive datasets, trace grading, automated prompt optimization, and support for third-party models. In addition, it provides reinforcement fine-tuning options that further augment the capabilities of agents and their features. This extensive collection of tools empowers developers to efficiently craft advanced AI solutions, ultimately fostering innovation in the field. Overall, AgentKit stands as a pivotal resource for those looking to advance AI technology.

Kaily is a cutting-edge platform that leverages artificial intelligence to enable businesses to design and implement no-code, omnichannel conversational agents that go beyond conventional chatbots by not only answering inquiries but also autonomously carrying out tasks such as managing customer support, engaging with potential clients, facilitating sales, troubleshooting issues, scheduling appointments, and optimizing workflows. This platform provides continuous conversational interactions across a range of channels, including web widgets, WhatsApp, email, mobile apps, Slack, voice calls, and public web pages, while also supporting integration with real-time business data sources to ensure that agents deliver accurate and contextually appropriate responses and actions. Furthermore, Kaily includes an agent builder that allows users to customize AI agents to reflect their brand's identity and mimic the behaviors of their top-performing staff members. By utilizing data connectors, agents can tap into live databases or CRM systems to access the most up-to-date information and perform actions, while no-code AI workflows facilitate the initiation of concrete outcomes, such as CRM updates or support ticket creation, based on conversational inputs, thereby enhancing operational efficiency. This holistic approach not only elevates customer engagement but also optimizes business processes, establishing Kaily as an essential resource for contemporary organizations. In essence, Kaily transforms the way businesses interact with their customers while simultaneously driving productivity and effectiveness across various operational fronts.

Rightbrain is a cutting-edge AI tooling platform aimed at assisting organizations in the smooth integration of reliable, production-ready artificial intelligence into their existing frameworks by converting natural language task descriptions into modular, versioned components known as "AI Tasks." These autonomous units of AI logic are accessible through APIs or events, guaranteeing consistent performance at scale and centralized monitoring via a unified console. This efficient method enables teams to hasten the shift from prototypes to fully functional features without requiring specialized backend development. Users can either delve into a wide array of templates to create tools or develop customized AI functions, such as document processors, classifiers, content moderators, and personalized assistants. They are also able to easily compare and switch between models without needing to modify the underlying code, all while ensuring governance and observability. The platform proficiently handles error management and fallback protocols, facilitating AI integration with pre-existing business rules and workflows, thereby maintaining predictable outcomes and thorough audit trails. This capability empowers non-technical stakeholders to express their desired functionalities clearly and allows developers to significantly speed up their delivery timelines, enhancing overall productivity. Furthermore, the platform promotes collaboration between both technical and non-technical users, ultimately fostering greater innovation and efficiency within organizations, paving the way for more dynamic project implementations. The result is a transformative environment where creativity and technology intersect seamlessly.

Elvex is an advanced enterprise generative AI platform specifically designed to promote the integration, oversight, and expansion of AI tools within businesses while prioritizing security and organization. Serving as a unified interface, it links employees to diverse large language models and AI services while managing authentication, security measures, and governance effortlessly in the background. Instead of functioning as a standalone language model, Elvex operates as a management layer that channels requests to external AI providers and transmits responses within a managed environment, thus protecting company data and ensuring compliance with regulations. Users can create personalized AI assistants and complex workflows that integrate seamlessly with internal tools, databases, and productivity applications, thereby optimizing tasks such as data analysis, content generation, and report preparation. The platform not only provides ready-made agents but also includes tools enabling the development of new agents without requiring programming skills, empowering staff to design AI workflows that fit their unique roles and responsibilities. This adaptability guarantees that teams remain agile in response to evolving needs, which significantly boosts productivity and efficiency throughout the organization. Furthermore, Elvex’s user-friendly interface encourages widespread adoption among employees, fostering a culture of innovation and collaboration.

To create a chatbot akin to ChatGPT that meets your specific information needs, you can easily connect your data sources and integrate it smoothly as a widget on your website, or utilize our API and other integration options. Chatbase provides a robust platform for building AI chatbots that are customized to your unique data requirements, enabling you to embed a chat widget effortlessly by uploading a document or sharing a URL for the chatbot to utilize, thereby allowing it to effectively respond to inquiries related to that information. Currently, users can upload multiple files in various formats including .pdf, .txt, .doc, or .docx, directly paste text, or provide a link for content extraction, ensuring flexibility in the types of data used. Furthermore, you can personalize the chatbot by customizing the foundational prompt, assigning a name, defining its personality characteristics, and establishing specific response guidelines, such as requiring answers solely in French. The content from your documents is securely maintained on either GCP or AWS servers situated in the us-east region, offering peace of mind regarding data security. You have the option to integrate the chatbot into your website using an iframe or by adding a chat bubble that appears in the lower-right corner; to do this, simply create your chatbot and select "Embed on website." In addition to these features, the API allows for interactions with your chatbot across multiple platforms, providing users with convenient access and enhancing engagement opportunities. Overall, this seamless integration empowers you to foster meaningful interactions with your audience wherever they may be.

TESS AI is a powerful AI agent platform designed to remove limitations from how people and teams use artificial intelligence. It delivers access to over 250 verified AI models across writing, research, development, media creation, and automation. The platform supports unlimited users on all plans, making collaboration simple and cost-effective. Unlike traditional AI services, TESS AI never blocks accounts for heavy usage or sharing. Multi-model chat enables cross-model collaboration for richer and more accurate results. Users can generate and edit images, videos, presentations, music, and voice directly within conversations. Advanced agentic features allow AI to perform multi-step tasks autonomously. Smart memory systems retain up to 70% of important context to improve efficiency. Memory collections help organize projects and workflows seamlessly. Full API access enables developers to embed TESS AI into their own products and systems. Transparent pricing ensures users always see costs in real time. TESS AI offers a future-ready, user-first approach to AI without restrictions.

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.

Skymel stands out as a cutting-edge cloud-native platform designed for orchestrating AI functionalities, featuring its real-time Orchestrator Agent (OA) and the integrated AI assistant known as ARIA. The Orchestrator Agent enables the development of both fully automated runtime agents and developer-managed dynamic agents that can seamlessly connect with any device, cloud service, or neural network framework. By leveraging NeuroSplit’s sophisticated distributed-compute technology, it significantly improves inference efficiency by strategically routing each request to the optimal model and execution environment—whether on-device, in the cloud, or a combination of both—while also standardizing error handling and dramatically reducing API costs by 40–95%, which enhances overall performance. Built upon the capabilities of OA, Skymel ARIA delivers a unified and coherent response to any question, facilitating real-time access to AI models such as ChatGPT, Claude, and Gemini, thereby removing the complexities of cumbersome manual prompt chains and the challenges associated with managing multiple subscriptions. This effortless integration and orchestration of AI resources not only simplifies workflows but also provides users with a more streamlined and intuitive experience, ultimately allowing them to focus on higher-level tasks and decision-making. With Skymel, the future of AI orchestration is here, driving innovation and efficiency across various applications.

OpenLegion acts as a sophisticated framework and platform for AI agents, specifically crafted to help assemble an AI workforce that meets your unique requirements. With straightforward commands such as "I want a marketing agency," "I want a sales team," or "I want a research desk," OpenLegion adeptly organizes an agent stack that includes predefined roles, budget distributions, permissions, and secure management of credentials. Unlike mere chat functions, OpenLegion is designed for intricate workflows; its agents can browse the internet, fill out forms, write and run code, send emails and messages, organize files and folders, conduct research and summary tasks, scrape data, evaluate potential sales leads, manage spreadsheet data, oversee social media activities, track changes, and trigger workflows on platforms such as Slack, Telegram, or Discord. Each agent operates within a separate, secure container, which guarantees individualized budgets, specific tool access, continuous memory, skills aligned with MCP, and secure credentials that remain inaccessible to the agents themselves. This comprehensive architecture not only bolsters security but also promotes smooth interactions among agents, thereby enhancing efficiency across multiple business operations. The ability to customize and scale the workforce as needed further solidifies OpenLegion’s value in modern business environments.

Credal provides enterprises with the safest way to leverage AI technology. Our all-encompassing APIs, chat interface, and Slackbot guarantee that sensitive information is automatically masked, redacted, or flagged based on policies set by IT. Employees can tap into powerful AI applications, including the advanced GPT-4-32k, alongside Claude and other alternatives, ensuring the organization retains control and confidence that data is secure and subject to audit trails. Furthermore, Credal integrates smoothly with essential enterprise data systems like Google Drive, Confluence, and Slack, enabling staff to effectively engage with AI tools within their existing knowledge frameworks while upholding source system permissions and protecting sensitive data. This cutting-edge methodology not only boosts productivity but also cultivates a secure atmosphere for the implementation of AI throughout various functions within the organization. By prioritizing security and user-friendliness, Credal empowers companies to innovate while minimizing risks associated with data exposure.