Best Free AI Agent Builders of 2025

Vertex AI presents a robust collection of AI Agent Builders, empowering organizations to develop and personalize intelligent agents for designated tasks. These tools equip users to create, train, and launch agents capable of streamlining workflows, overseeing customer engagements, and improving decision-making. By utilizing pre-existing models, businesses can expedite the creation and implementation of AI agents, thereby shortening the time to launch. New users are welcomed with $300 in complimentary credits, allowing them the freedom to explore different agent-building features and tailor solutions to meet their specific business requirements. The platform boasts an intuitive interface and offers substantial support for ongoing enhancements, ensuring that companies can effectively scale their AI agent capabilities as needed.

The Jotform AI Agent Builder is an innovative platform that empowers businesses to design and tailor AI-driven customer service representatives without requiring any programming skills. This versatile tool allows organizations to easily create AI agents capable of performing various tasks such as guiding users through forms, responding to common inquiries, scheduling appointments, and automating email communications. These AI agents can be utilized across multiple communication platforms, including phone systems, chat interfaces, and messaging applications like WhatsApp and Messenger. The Jotform AI Agent Builder offers extensive customization capabilities, allowing businesses to modify the agent's tone, personality, and visual style to reflect their brand identity. With support for multiple languages and round-the-clock availability, these AI agents enhance operational efficiency, shorten response times, and boost overall customer satisfaction.

LM-Kit.NET facilitates the effortless incorporation of sophisticated AI features into applications built on C# and VB.NET. Its robust enterprise architecture paves the way for creating intelligent, context-sensitive solutions. Central to LM-Kit.NET is the AI Agent Builder, a powerful tool that simplifies the development and personalization of smart agents. This user-friendly builder provides developers with comprehensive runtime support and modular design capabilities, enabling them to create agents that handle a variety of tasks including text generation, translation, and adaptive decision-making, all while minimizing the complexities associated with AI integration. Enhance your applications with the AI Agent Builder from LM-Kit.NET, which accelerates the development process and fosters innovation. This tool allows for quick prototyping, deployment, and scaling of intelligent solutions that revolutionize the interaction between your software, data, and users in a fast-paced digital environment.

AI agents that interact and answer questions with users and complete tasks using your data and APIs. AI that can answer questions, summarize and extract insights from any long document. Transfer styles and formats, as well as tags and summaries between documents and data sources. Stack AI is used by developer teams to automate customer service, process documents, qualify leads, and search libraries of data. With a single button, you can try multiple LLM architectures and prompts. Collect data, run fine-tuning tasks and build the optimal LLM to fit your product. We host your workflows in APIs, so that your users have access to AI instantly. Compare the fine-tuning services of different LLM providers.

Transform your organization into a fully automated enterprise™ with the UiPath Platform, a hallmark of digital transformation. Achieving a fully automated enterprise fosters business resilience, enhances speed and agility, and liberates employees from repetitive tasks through a comprehensive automation solution. Leverage the insights gathered from your business applications, such as ERP and CRM systems, to gain a profound understanding of intricate business operations. This knowledge empowers you to identify the most effective automation opportunities and measure their impact. As a cutting-edge Robotic Process Automation (RPA) and process mining platform, UiPath enables organizations to streamline their business processes, accelerating their journey towards becoming digital entities while gaining a competitive edge in the realm of AI. With its scalable, extensible, and sustainable architecture, UiPath allows users to create visual workflows without the need for scripting or coding. Additionally, the platform boasts robust auditing features, sophisticated analytical reporting, and personalized dashboards to enhance user experience and operational oversight. Embrace UiPath to not only improve efficiency but also to foster a culture of innovation within your organization.

Google AI Studio presents robust tools for constructing AI agents, empowering users to create, develop, and launch intelligent agents specifically designed for various business functions. These agents can be tailored to handle a diverse array of tasks, including customer service, data management, and automation, which helps organizations optimize their processes. The platform features a user-friendly interface that facilitates the definition of agent actions and their integration with current systems, simplifying the creation of advanced agents with little to no programming needed. Moreover, the agents can be refined over time through machine learning methods, allowing them to evolve in response to shifting demands and user preferences, thereby increasing their overall efficiency and performance.

Have you tried doing it yourself? Maybe you should think about hiring professionals instead. SalesMachines has a range of AI models and Conversation packages that are easy to use and smart, just like SmartPhone calling plans. We are always updating our AI models, just like Apple updates their Smartphones. Our aim is to offer the best AI models and conversation plans. Our AI is powered by OpenAI's GPT 4 Turbo Technology. It uses advanced systems to provide safer and more helpful responses. We constantly improve our machine learning models to enhance your projects. Our AI can have natural and adaptable conversations without complicated programming.

Postman serves as a collaborative platform for developing APIs, designed to simplify the entire process of API creation and enhance teamwork, enabling the rapid development of superior APIs. The platform's features facilitate each phase of API construction, making it easier to collaborate and accelerate the creation of high-quality APIs. Users can quickly and effortlessly send requests for REST, SOAP, and GraphQL directly within Postman, optimizing their workflow. Additionally, it allows for the automation of manual tests, seamlessly integrating them into your CI/CD pipeline to safeguard against potential issues when code changes are deployed to production. API behavior can be communicated effectively by simulating endpoints and their respective responses without the need for a backend server setup. You can also generate and publish visually appealing, machine-readable documentation, which helps in making your API more accessible for users. Regular performance and response time checks ensure you stay informed about your API's health, allowing for proactive management. Lastly, Postman fosters a shared environment for API creation and consumption, enabling real-time collaboration among team members. Postman’s AI Agent Builder revolutionizes the development of AI agents with its no-code platform, enabling users to build, test, and deploy powerful agents without coding expertise. It provides access to a vast library of over 100,000 APIs and a variety of LLMs, offering tools to compare their performance, cost, and response quality. The visual workflow builder simplifies creating multi-step agent interactions, and its testing tools ensure reliability before deployment.

Link your applications and streamline your processes with ease. Designed for those with busy schedules, Zapier automates the transfer of information between your web applications, allowing you to concentrate on what matters most. With just a few clicks, you can connect your online tools so they can exchange data effortlessly. Information flows between your applications through automated workflows known as Zaps. Accelerate your projects and enhance productivity without the need for programming skills. Explore how Zapier democratizes automation for everyone. Continue using the tools you love while benefiting from the extensive connectivity Zapier offers, as it integrates with more web applications than any other service and continually adds new ones weekly. Our platform works seamlessly with popular applications like Facebook Lead Ads, Slack, Quickbooks, Google Sheets, Google Docs, and many more! The intuitive editor is designed for self-service automation, enabling you to establish Zaps without needing a developer's assistance. Leverage Zapier’s built-in tools to craft robust workflows without relying on additional services. Over 3 million users trust Zapier to handle their repetitive tasks efficiently. Furthermore, Zapier Agents empower businesses to automate real-world operations by developing custom AI-driven teammates, enhancing both productivity and innovation. In this way, Zapier not only simplifies automation but also expands the horizons of what teams can achieve together.

Dialogflow by Google Cloud is a natural-language understanding platform that allows you to create and integrate a conversational interface into your mobile, web, or device. It also makes it easy for you to integrate a bot, interactive voice response system, or other type of user interface into your app, web, or mobile application. Dialogflow allows you to create new ways for customers to interact with your product. Dialogflow can analyze input from customers in multiple formats, including text and audio (such as voice or phone calls). Dialogflow can also respond to customers via text or synthetic speech. Dialogflow CX, ES offer virtual agent services for chatbots or contact centers. Agent Assist can be used to assist human agents in contact centers that have them. Agent Assist offers real-time suggestions to human agents, even while they are talking with customers.

Break the invisible barriers between systems, apps, and data. Meet the agentic automation platform that makes quick work of your most complex processes. Make getting things done look easy—because it is. Orchestrate your most complex, critical processes across systems and teams, leaving app and data silos in the dust. Drive every process at maximum speed. Set up and apply AI + automation wherever your teams work with simple-to-use tools and expert support. Get peace of mind and automate with AI in any context, no matter how complex, with full security and governance controls. Get right-size support every step of the way. Start with do-it-yourself training, community expertise from 1M+ automation professionals, and a global partner ecosystem.

Echobase is a platform that allows teams to create, analyze, and query data directly from files, without any upfront financial commitment -- no credit cards required. Echobase allows you to create AI Agents by leveraging AI models that are tailored to your business needs. These agents can perform a wide range of tasks, from answering simple questions to complex analysis, aggregating information, and completing tasks.

IBM watsonx Assistant is a next-gen conversational AI solution—it that empowers a broader audience that includes non-technical business users, anyone in your organization to effortlessly build generative AI Assistants that deliver frictionless self-service experiences to customers across any device or channel, help boost employee productivity, and scale across your business. -User-friendly interface with drag-and-drop conversation builder and pre-built templates. -Out-of-the-box Large Language Models, Large Speech Models, Natural Language Processing and Understanding (NLP, NLU), and Intelligent Context Gathering, to better understand the context of each conversation in natural language. -Retrieval-augmented generation (RAG) for accurate, contextual, and up-to-date conversational answers around the clock, grounded in your company's knowledge base.

AgentGPT enables users to set up and launch autonomous AI agents tailored to their specifications. You can create a personalized AI and set it on a mission of your choice, where it will strategize tasks, carry them out, and adapt based on the outcomes it experiences. This process allows for continuous improvement and goal refinement, making the AI increasingly efficient in achieving its objectives.

Mistral AI stands out as an innovative startup in the realm of artificial intelligence, focusing on open-source generative solutions. The company provides a diverse array of customizable, enterprise-level AI offerings that can be implemented on various platforms, such as on-premises, cloud, edge, and devices. Among its key products are "Le Chat," a multilingual AI assistant aimed at boosting productivity in both personal and professional settings, and "La Plateforme," a platform for developers that facilitates the creation and deployment of AI-driven applications. With a strong commitment to transparency and cutting-edge innovation, Mistral AI has established itself as a prominent independent AI laboratory, actively contributing to the advancement of open-source AI and influencing policy discussions. Their dedication to fostering an open AI ecosystem underscores their role as a thought leader in the industry.

Cohere is a robust enterprise AI platform that empowers developers and organizations to create advanced applications leveraging language technologies. With a focus on large language models (LLMs), Cohere offers innovative solutions for tasks such as text generation, summarization, and semantic search capabilities. The platform features the Command family designed for superior performance in language tasks, alongside Aya Expanse, which supports multilingual functionalities across 23 different languages. Emphasizing security and adaptability, Cohere facilitates deployment options that span major cloud providers, private cloud infrastructures, or on-premises configurations to cater to a wide array of enterprise requirements. The company partners with influential industry players like Oracle and Salesforce, striving to weave generative AI into business applications, thus enhancing automation processes and customer interactions. Furthermore, Cohere For AI, its dedicated research lab, is committed to pushing the boundaries of machine learning via open-source initiatives and fostering a collaborative global research ecosystem. This commitment to innovation not only strengthens their technology but also contributes to the broader AI landscape.

Steel is a versatile open-source browser API that enables the management of numerous cloud-based browsers. It simplifies browser automation for tasks ranging from extensive scraping operations to completely autonomous web agents, allowing users to initiate browser sessions on demand through straightforward API requests. With integrated CAPTCHA solving capabilities, Steel ensures uninterrupted automation processes. Its user-friendly controls help minimize the risk of being flagged as a bot. Typically, a session can commence in under one second if the client is located in the same region. Each session has the flexibility to run for as little as one minute or extend up to 24 hours. Users can easily save and inject cookies and local storage to seamlessly continue from where they left off. Additionally, Steel supports running Puppeteer, Playwright, or Selenium in the cloud with ease. The Session Viewer feature provides the ability to observe and troubleshoot both live and recorded sessions, enhancing the overall user experience. This comprehensive toolset makes it a valuable resource for developers looking to harness the power of browser automation in a cloud environment.

Lyzr Agent Studio provides a low-code/no code platform that allows enterprises to build, deploy and scale AI agents without requiring a lot of technical expertise. This platform is built on Lyzr’s robust Agent Framework, the first and only agent Framework to have safe and reliable AI natively integrated in the core agent architecture. The platform allows non-technical and technical users to create AI powered solutions that drive automation and improve operational efficiency while enhancing customer experiences without the need for extensive programming expertise. Lyzr Agent Studio allows you to build complex, industry-specific apps for sectors such as BFSI or deploy AI agents for Sales and Marketing, HR or Finance.

BuildShip is an intuitive low-code platform designed for visually constructing backend solutions that facilitate the swift deployment of APIs, scheduled tasks, AI-driven workflows, and cloud functions. It seamlessly integrates with various databases, tools, and AI models, allowing users to design comprehensive backend logic flows. You have the option to utilize pre-existing nodes or leverage AI capabilities to craft personalized logic nodes tailored to your specifications. By merging the simplicity of no-code with the robust flexibility of low-code, BuildShip provides a highly scalable method for rapid backend development. It supports a wide array of powerful applications, including handling payments and orchestrating subscription processes with services like Stripe, RevenueCat, and Lemon Squeezy. Additionally, it enables the automation of AI workflows to power backend functionalities for AI applications, as well as the creation of APIs for effective data processing and CRUD operations on various databases. Users can effortlessly relay form submission data to external tools, incorporate AI-driven chatbots with platforms such as OpenAI, Azure, Claude, and Groq, and manage email communications to enhance user engagement and lead generation. With BuildShip, the range of potential applications is truly limitless, empowering users to innovate without boundaries.

Create and train an AI team to automate routine tasks for Sales, Marketing, Human Resources and beyond, without coding. Use advanced LLMs such as GPT-4 and Claude in order to simplify your workflows, increase your productivity, and keep you team focused on what is important. Key Features Train your AI assistant to excellence in no time! Use different formats such as PDFs, Docxs, MP3s, and videos including YouTube. 2) Use our prebuilt AI Researcher. It efficiently gathers and analyses information on any subject, generating concise reports. It is good for market research or any type of research that requires a lot of text to be read on the internet. 3) Deploy AI Team on Your Own Platforms : Embed your AI Team in your website or give it to your team for use. 4) Integrate Your Favorite Tools: Use tools such as LinkedIn, Zapier and Make to create a powerful digital ecosystem. 5) Connect multiple AI agents and build your AI Team

Newo.ai serves as a low-code platform enabling developers to craft sophisticated, human-like intelligent agents capable of omnichannel communication, achieving a performance that surpasses other builders by a factor of ten. Often referred to as "the WordPress for AI Agents," this platform empowers the creation of Digital Employees, Workers, and AI assistants without requiring any coding expertise. What sets Newo.ai apart is the ability of these AI agents to seamlessly integrate with VoIP systems, smart speakers, and robotic interfaces, facilitating functions such as reception duties and systems management while adhering to corporate standards and improving service delivery. The platform supports the development of various types of Digital Workers, including AI Concierges, Hostesses, Receptionists, Technical Support agents, Sales Consultants, Assistants, Financial Advisors, and HR operational roles, creating a diverse range of applications for businesses. Additionally, Newo.ai's user-friendly approach makes it accessible for organizations to enhance their workforce with intelligent solutions.

Build and manage AI agent teams using our Mixture of Experts (MoE) system. Create specialized digital workers with tailored knowledge, language models, triggers, and tools. Expand your workforce through computing power, not headcount. Simplify complex task automation without any coding needed.

SuperAGI SuperCoder is an innovative open-source autonomous platform that merges an AI-driven development environment with AI agents, facilitating fully autonomous software creation, beginning with the Python language and its frameworks. The latest iteration, SuperCoder 2.0, utilizes large language models and a Large Action Model (LAM) that has been specially fine-tuned for Python code generation, achieving remarkable accuracy in one-shot or few-shot coding scenarios, surpassing benchmarks like SWE-bench and Codebench. As a self-sufficient system, SuperCoder 2.0 incorporates tailored software guardrails specific to development frameworks, initially focusing on Flask and Django, while also utilizing SuperAGI’s Generally Intelligent Developer Agents to construct intricate real-world software solutions. Moreover, SuperCoder 2.0 offers deep integration with popular tools in the developer ecosystem, including Jira, GitHub or GitLab, Jenkins, and cloud-based QA solutions like BrowserStack and Selenium, ensuring a streamlined and efficient software development process. By combining cutting-edge technology with practical software engineering needs, SuperCoder 2.0 aims to redefine the landscape of automated software development.

Ninja AI is a monthly subscription that combines the world's best AI agents and models into one affordable package. Ninja can help with research, writing, image generation, code creation, and meeting scheduling. Access the best AI models by Meta, OpenAI Anthropic, Google and more. Choose the models that you want to use and compare results across AI models. Plans with unlimited tasks start at $5/month. Try it for free at Myninja.ai.

Achieve enhanced precision and control through LangGraph, enabling the creation of agents capable of efficiently managing intricate tasks. The LangGraph Platform facilitates the development and scaling of agent-driven applications. With its adaptable framework, LangGraph accommodates various control mechanisms, including single-agent, multi-agent, hierarchical, and sequential flows, effectively addressing intricate real-world challenges. Reliability is guaranteed by the straightforward integration of moderation and quality loops, which ensure agents remain focused on their objectives. Additionally, LangGraph Platform allows you to create templates for your cognitive architecture, making it simple to configure tools, prompts, and models using LangGraph Platform Assistants. Featuring inherent statefulness, LangGraph agents work in tandem with humans by drafting work for review and awaiting approval prior to executing actions. Users can easily monitor the agent’s decisions, and the "time-travel" feature enables rolling back to revisit and amend previous actions for a more accurate outcome. This flexibility ensures that the agents not only perform tasks effectively but also adapt to changing requirements and feedback.