List of the Top 25 AI Agent Builders for OpenAI in 2025

AI agents are designed to engage with users, answer inquiries, and accomplish tasks by leveraging data and APIs. These intelligent systems can provide responses, condense information, and derive insights from extensive documents. They also facilitate the transfer of styles, formats, tags, and summaries between various documents and data sources. Developer teams utilize Stack AI to streamline customer support, manage document workflows, qualify potential leads, and navigate extensive data libraries. With just one click, users can experiment with various LLM architectures and prompts, allowing for a tailored experience. Additionally, you can gather data, conduct fine-tuning tasks, and create the most suitable LLM tailored for your specific product needs. Our platform hosts your workflows through APIs, ensuring that your users have immediate access to AI capabilities. Furthermore, you can evaluate the fine-tuning services provided by different LLM vendors, helping you make informed decisions about your AI solutions. This flexibility enhances the overall efficiency and effectiveness of integrating AI into diverse applications.

Easily connect your applications and optimize your workflows with minimal effort. Tailored for individuals with hectic lifestyles, Zapier automates the movement of data between your web apps, enabling you to focus on your priorities. With just a few simple clicks, you can link your online tools for smooth data exchange. Information transitions seamlessly between your applications through automated processes termed Zaps. Speed up your projects and elevate productivity, all without needing coding expertise. Discover how Zapier makes automation accessible to everyone. Keep utilizing your favorite tools while enjoying the broad connectivity provided by Zapier, which integrates with more web applications than any other platform and continuously adds new ones every week. Our system is compatible with widely-used applications like Facebook Lead Ads, Slack, QuickBooks, Google Sheets, Google Docs, and many others! The user-friendly editor supports self-service automation, allowing you to create Zaps independently, without the need for a developer. Take advantage of Zapier’s built-in features to develop powerful workflows without depending on extra services. With over 3 million users relying on Zapier to manage their repetitive tasks efficiently, it's clear that the platform is trusted. Additionally, Zapier Agents enable businesses to automate real-world tasks by creating custom AI-driven assistants, which boosts both efficiency and creativity. As a result, Zapier not only streamlines automation but also broadens the scope of collaborative potential for teams, paving the way for innovative solutions.

Eliminate the unseen obstacles that exist between various systems, applications, and data sources. Discover the automation platform designed to streamline even your most intricate processes efficiently. Transform your workflow to appear effortless—because it truly is. Seamlessly manage your most essential and complicated processes across diverse systems and teams, effectively eliminating data and application silos. Propel every task forward with enhanced speed. Implement AI and automation tools wherever your teams operate, supported by user-friendly resources and professional guidance. Enjoy the confidence that comes from automating with AI in any scenario, regardless of complexity, while maintaining robust security and governance measures. Receive tailored support throughout your journey. Begin with hands-on training, leverage the knowledge of a community consisting of over a million automation experts, and tap into a worldwide network of partners ready to assist. Additionally, your teams will benefit from continuous learning opportunities to stay ahead in the ever-evolving landscape of automation.

AptlyStar.ai, created by Aptly Technology Corporation, is a sophisticated AI platform that provides innovative solutions aimed at enhancing customer service and optimizing workflow automation. With its intuitive tools, AptlyStar empowers businesses to design and deploy AI-driven agents, greatly increasing their teams' efficiency and productivity. This groundbreaking platform is poised to revolutionize the way companies engage with their customers and oversee their operational processes, allowing for a more responsive and effective business environment. As organizations adopt AptlyStar, they can expect a significant shift in both customer interactions and internal management practices.

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.

Lyzr Agent Studio offers a low-code/no-code environment that empowers organizations to design, implement, and expand AI agents with minimal technical skills. This innovative platform is founded on Lyzr’s unique Agent Framework, which is distinguished as the first and only agent framework that integrates safe and dependable AI directly into its core structure. By utilizing this platform, both technical and non-technical individuals can create AI-driven solutions that enhance automation, boost operational effectiveness, and elevate customer interactions without needing deep programming knowledge. Additionally, Lyzr Agent Studio facilitates the development of sophisticated, industry-specific applications across fields such as Banking, Financial Services, and Insurance (BFSI), and enables the deployment of AI agents tailored for Sales, Marketing, Human Resources, or Finance. This flexibility makes it an invaluable tool for businesses looking to innovate and streamline their processes.

BuildShip serves as a user-friendly low-code platform that allows for the visual assembly of backend solutions, making it easy to deploy APIs, set up scheduled tasks, develop AI-driven workflows, and create cloud functions quickly. The platform integrates smoothly with multiple databases, tools, and AI models, enabling users to construct detailed backend logic flows tailored to their needs. Users can choose to work with existing nodes or tap into AI capabilities to develop custom logic nodes that fit their specifications perfectly. By balancing the ease of no-code development with the extensive flexibility offered by low-code, BuildShip delivers a scalable approach to backend development that can adapt to various needs. It caters to an array of powerful applications, such as processing payments and managing subscription services through platforms like Stripe, RevenueCat, and Lemon Squeezy. Moreover, it supports the automation of AI workflows essential for enhancing backend functionalities in AI applications, facilitating the creation of APIs for efficient data manipulation and CRUD operations across different databases. Users can easily transfer form submission data to external applications, integrate AI-driven chatbots with services like OpenAI, Azure, Claude, and Groq, and manage email communications effectively to boost user engagement and lead generation. With BuildShip, the potential for innovation knows no limits, empowering users to explore new ideas and solutions freely. In a landscape where technology evolves rapidly, BuildShip stands out as a versatile tool that adapts to meet the ever-changing demands of developers and businesses alike.

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.

Ninja AI offers a monthly subscription service that brings together top-tier AI agents and models in a cost-effective bundle. This platform can assist users in various tasks, including research, content creation, image generation, coding, and organizing meetings. Subscribers gain access to premier AI models from industry leaders like Meta, OpenAI, Anthropic, and Google, allowing them to select their preferred models and evaluate their performance against one another. With plans that include unlimited tasks starting at just $5 per month, users can also take advantage of a free trial at Myninja.ai for a limited time. This innovative service empowers users to enhance productivity and streamline their workflows with cutting-edge technology.

Cognigy.AI is a sophisticated conversational AI platform tailored for enterprises, aimed at automating customer interactions across multiple channels, such as voice and chat. By utilizing cutting-edge natural language understanding (NLU) and large language models (LLMs), it allows companies to develop smart AI agents that engage in personalized, human-like dialogues. The platform's strong integration features enable it to connect effortlessly with existing contact center and CRM systems, thereby enhancing the orchestration of customer experiences. Additionally, Cognigy.AI introduces Agentic AI, which features autonomous, goal-driven agents capable of independent thought, adaptation, and collaboration with both AI and human agents, effectively managing intricate queries with agility and accuracy. This all-encompassing solution not only facilitates the streamlining of customer service operations but also boosts engagement levels and increases efficiency in addressing customer inquiries, ultimately transforming the way businesses interact with their clients. With its innovative tools and capabilities, Cognigy.AI positions organizations to thrive in the competitive landscape of customer service.

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.

Craft intricate automations at incredible speed, removing the burden of managing APIs. The long hours spent untangling scripts are now a thing of the past. By harnessing JavaScript, you gain improved flexibility while the user-friendly interface takes care of the rest. n8n allows you to create versatile workflows that focus on thorough data integration. Furthermore, with readily available templates and an easy-to-use interface, even those with less technical knowledge can engage and collaborate effectively within the team. Unlike many other platforms, complexity will not stifle your creativity; you can bring to life any concept your mind envisions—without the stress of financial constraints. Effortlessly link APIs using no-code methods for straightforward task automation, or explore vanilla JavaScript for more complex data handling. You have the capability to establish various triggers, diverge, combine workflows, and even pause actions to wait for external events. Engage with any API or service through tailored HTTP requests, while also protecting your live workflows by keeping distinct development and production environments with separate authentication keys. Embrace the limitless possibilities for innovation, and enjoy the satisfaction of realizing your unique ideas without barriers. The platform encourages exploration and experimentation, paving the way for groundbreaking solutions.

Flowise is an adaptable open-source platform that streamlines the process of developing customized Large Language Model (LLM) applications through an easy-to-use drag-and-drop interface, tailored for low-code development. It supports connections to various LLMs like LangChain and LlamaIndex, along with offering over 100 integrations to aid in the creation of AI agents and orchestration workflows. Furthermore, Flowise provides a range of APIs, SDKs, and embedded widgets that facilitate seamless integration into existing systems, guaranteeing compatibility across different platforms. This includes the capability to deploy applications in isolated environments utilizing local LLMs and vector databases. Consequently, developers can efficiently build and manage advanced AI solutions while facing minimal technical obstacles, making it an appealing choice for both beginners and experienced programmers.

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.

Create your dream team effortlessly with TeamCreate AI, where intelligent co-workers go beyond mere assistants; they can handle numerous tasks, integrate with over 200 different applications and tools, and communicate seamlessly via platforms such as Slack and email. These AI workers can be easily tailored to meet your specific needs without requiring any programming knowledge, performing in various capacities across sales, marketing, finance, product management, customer support, operations, and more. Unlike conventional AI assistants that serve a singular purpose, you have the advantage of modifying your AI worker to align with your distinct preferences, much like a fast-learning junior employee. All you need to do is assign tasks or make requests, and you'll be surprised at how quickly they adjust to your established workflow. For companies of all sizes, from emerging startups to well-established public entities, the key to thriving lies in attracting outstanding talent while being mindful of financial constraints. With TeamCreate AI workers, organizations can expand rapidly without being slowed down by budget restrictions or the prolonged processes of hiring and onboarding. Imagine your new AI worker as a versatile junior hire capable of managing tasks and leveraging their multilingual skills in English, Mandarin, and Spanish to facilitate smooth interaction among teams. This forward-thinking strategy fosters greater productivity and efficiency in every facet of your operations, ultimately driving better results in a competitive marketplace. Furthermore, the adaptability of these AI workers means they can evolve alongside your business, ensuring that you always have the right support to meet changing demands.

Easily drag, drop, and implement customized tools tailored to your specific business needs. Leverage our community's contributions through pre-built workflows to boost your productivity levels significantly. Enrich your workspace with a growing array of nodes, revealing countless possibilities for enhancement. Effortlessly transfer data from point A to point Z with user-friendly drag-and-click connections. Recognize workflows that are monotonous or repetitive as ideal candidates for automation. Gumloop is crafted to address a diverse spectrum of data processing tasks, empowering you to unlock your creative potential. Our sophisticated automation builder enables complex automation, exceeding the capabilities of existing solutions while embedding AI at its core. We aim not just to streamline your workflow but to revolutionize it entirely. You have the option to invite team members to join a Workspace or conveniently share the URL to your automation with them. Effortlessly simplify your complex business processes without requiring any coding expertise. For example, simply input a link to a home listing, and the AI will automatically gather vital information such as pricing, address, and other relevant details, making your workflow more efficient. Furthermore, the platform supports real-time collaboration, which not only improves team efficiency but also encourages innovation and creative problem-solving among members. By integrating these features, Gumloop transforms the way teams approach their projects and tasks.

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.

Diaflow is an all-encompassing enterprise solution aimed at boosting the scalability of AI across your organization, empowering users to create AI workflows that drive innovation. By facilitating the shift from manual processes to fully automated systems, it enables teams to design efficient applications and workflows utilizing data from diverse sources. The platform makes it effortless to streamline your organization's manual operations with intuitive solutions that your team will find valuable. Through Diaflow's user-friendly interfaces and components, you can build remarkable AI-driven internal applications that will enhance your business's capabilities. Additionally, it brings forth an innovative method for document creation and editing via its AI-enhanced editing tool, relying on your expertise for ongoing support and engagement around the clock. Furthermore, Diaflow features an integrated, AI-powered spreadsheet solution that clarifies data management and transformation tasks. With Diaflow, you can effortlessly produce outstanding products for your business, allowing for rapid app and workflow development in just a few minutes, all without needing any coding experience. Overall, Diaflow transforms how organizations can effectively leverage AI, making it easier than ever to implement powerful solutions tailored to their needs. As a result, companies can anticipate a significant increase in productivity and creativity.

Say goodbye to the difficulties of manual programming and speed up the development of agents like never before. Just express your needs, and SmythOS will create it from your dialogue or images, utilizing advanced AI models and APIs customized for your specifications. You can work with any AI model or API, effortlessly connecting with services like OpenAI, Hugging Face, Amazon Bedrock, and many more without writing a single line of code. With a collection of ready-made agent templates, agents for various purposes are just a click away; all you need are your API keys for connection. It is crucial to keep your marketing team from accessing agents that interact with your code, and we prioritize that security. Create dedicated environments for each client, team, and project, complete with robust user and permission management features. You have the option to deploy on-premises or via AWS, integrating with platforms like Bedrock, Vertex, Adobe, Salesforce, and others. Experience transparent AI with full visibility into data flows, including audit logs, encryption, and authentication safeguards. You can communicate with your agents, delegate bulk assignments, monitor their logs, schedule tasks, and utilize a variety of additional functions to enhance your operations effectively. This groundbreaking solution enables your team to concentrate on strategy and creativity, while SmythOS handles the technical intricacies, ultimately fostering an environment of innovation and productivity. By simplifying complex processes, SmythOS empowers businesses to thrive in a fast-paced digital landscape.

Scout serves as a comprehensive platform that enables users to effectively create, launch, and expand AI solutions. The platform features a workflow creator that facilitates the development of AI automations utilizing models, web scraping capabilities, data storage, APIs, and tailored logic. Users are empowered to automate the ingestion of content from various sources, including websites and documentation. Additionally, multiple large language models can be interconnected within a single workflow to identify the best solutions. Deployment options include Copilots, which provide AI-generated responses directly on websites, and integration with Slack to enhance customer interactions. Developers can utilize APIs and SDKs to craft custom AI applications tailored to their needs. Scout is equipped with extensive testing and tuning tools, encompassing evaluations and real-time monitoring to ensure optimal performance. Furthermore, it features integrated logging mechanisms that track workflow status, costs, and latency. Trusted by teams at the forefront of innovation, this platform is paving the way for the future of AI technology. As advancements in AI continue to evolve, Scout remains committed to providing powerful solutions that adapt to the changing landscape.

Agenthost is a versatile platform designed to enable users to create, train, and monetize AI agents without requiring any coding knowledge. It allows for the development of chatbots that efficiently handle customer inquiries across various platforms like websites and email, as well as AI-powered sales assistants that facilitate lead qualification and promote business growth. Users can deploy these agents through email, integrate them into their websites, or host them on personalized domains, ensuring they are reachable across multiple channels. With the ability to connect with over 6,000 applications via Zapier, the platform enhances workflow automation and improves productivity. Additionally, it offers customization options that let users modify the agent's appearance and functions to align with their brand identity, as well as implement monetization strategies through subscription plans managed by Stripe. Agenthost further provides integrated analytics that monitor agent performance and user interaction, delivering critical insights for continuous improvement. This all-encompassing approach not only streamlines the process of creating and managing AI agents but also cultivates an environment where users can succeed in the ever-evolving digital landscape. As more individuals leverage the capabilities of Agenthost, the potential for innovation and growth in the AI sector continues to expand.

Weave is an innovative no-code platform that facilitates the creation of AI workflows, enabling users to automate their tasks by leveraging various Large Language Models (LLMs) without any prior programming knowledge. With its intuitive interface, users can select from an extensive range of templates, adapt them to fit their specific requirements, and transform their workflows into fully automated systems. Weave supports a diverse lineup of AI models, including those from OpenAI, Meta, Hugging Face, and Mistral AI, which allows for seamless integration and customization of outputs tailored to different industries. Key features include easy dataflow management, app-ready APIs for smooth integration, AI hosting solutions, cost-effective AI model choices, user-friendly customization options, and accessible modules designed for a wide array of users. This flexibility positions Weave as an ideal tool for various applications, from developing engaging character dialogues and backstories to building advanced chatbots and simplifying the content generation process. Furthermore, its rich set of features not only opens up new avenues for creative exploration but also significantly boosts user productivity, making it a valuable asset for businesses and individuals alike. As such, Weave stands out in the realm of no-code solutions, providing users with the ability to harness the power of AI effortlessly.

PydanticAI is a cutting-edge framework designed in Python, aiming to streamline the development of top-notch applications that harness the power of generative AI technologies. Created by the developers behind Pydantic, this framework easily integrates with major AI models like OpenAI, Anthropic, and Gemini. It employs a type-safe structure that allows for real-time debugging and performance monitoring through the Pydantic Logfire system. By leveraging Pydantic for output validation, PydanticAI ensures that responses from models are both structured and consistent. Furthermore, the framework includes a dependency injection system that supports an iterative approach to development and testing, while also facilitating the streaming of LLM outputs for rapid validation. Ideal for projects centered around AI, PydanticAI encourages a flexible and efficient assembly of agents, all while following best practices in Python development. Ultimately, PydanticAI aspires to deliver a seamless experience akin to FastAPI in the context of generative AI application creation, thus improving the overall workflow for developers significantly. With its robust features and user-friendly design, PydanticAI is set to become an essential tool for those looking to excel in the AI development landscape.

LiveKit serves as a dynamic platform for real-time communication, enabling developers to seamlessly incorporate video, voice, and data capabilities into their applications. By leveraging WebRTC technology, it supports a diverse range of frontend and backend frameworks. The platform’s network architecture is carefully crafted to deliver ultra-low latency, remarkable resilience, and the ability to scale extensively. With a globally distributed team managing an infrastructure that handles billions of audio and video minutes each month, LiveKit showcases its vast operational reach. It provides SDK support for all major platforms, allowing developers to customize their applications with a LiveKit client that is specifically designed for their preferred environment. Additionally, LiveKit offers the option for self-hosting at no expense, with no changes needed to existing code, since all tools and services operate under the Apache 2.0 open-source license. Among its many features, LiveKit includes single sign-on (SSO), role-based access control (RBAC), robust security features like end-to-end encryption, and tools for noise and echo cancellation, session recording, stream ingestion, and moderation, making it an excellent option for developers seeking comprehensive solutions. Overall, LiveKit emerges as a versatile and powerful choice for real-time communication needs, equipping developers with everything required to create highly engaging applications and foster robust user interactions.