Best Free AI Agent Builders
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Compare the Top Free AI Agent Builders as of November 2025
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What are Free AI Agent Builders?
AI agent builders are tools, platforms, or frameworks designed to create, train, and deploy intelligent virtual agents capable of performing tasks autonomously. These builders provide resources for natural language processing, decision-making algorithms, and machine learning, enabling agents to interact with users effectively. They often include user-friendly interfaces or APIs to customize behaviors, integrate with existing systems, and adapt to specific use cases. AI agent builders are widely used across industries, including customer service, healthcare, education, and entertainment, to enhance efficiency and user experience. By leveraging these tools, developers and businesses can rapidly create sophisticated agents tailored to their unique needs. Compare and read user reviews of the best Free AI Agent Builders currently available using the table below. This list is updated regularly.
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1
Vertex AI
Google
Vertex AI offers a comprehensive suite of AI Agent Builders, enabling businesses to create and customize intelligent agents tailored to specific tasks. These tools allow users to design, train, and deploy agents that can automate workflows, manage customer interactions, and enhance decision-making processes. By leveraging pre-built models, companies can accelerate development and deployment of AI agents, reducing the time to market. New customers receive $300 in free credits, giving them the flexibility to experiment with various agent-building tools and fine-tune solutions that best fit their business needs. The platform offers a user-friendly interface and extensive support for continuous improvement, ensuring that businesses can scale their AI agent solutions as required.Starting Price: Free ($300 in free credits) -
2
Jotform
Jotform
Jotform AI Agent Builder is a powerful tool that allows businesses to create and customize AI-powered customer service agents without coding. With this tool, businesses can easily design AI agents that handle tasks like guiding users through forms, answering frequently asked questions, scheduling appointments, and sending automated emails. The AI agents can be deployed across various communication channels, including phone, chat, and messaging apps like WhatsApp and Messenger. Jotform AI Agent Builder provides complete customization options, enabling businesses to adjust the agent’s tone, behavior, and appearance to align with their brand. With multi-language support and 24/7 availability, these AI agents improve efficiency, reduce response times, and enhance customer satisfaction.Starting Price: $34 per month -
3
LM-Kit.NET
LM-Kit
LM-Kit.NET brings advanced AI to C# and VB.NET through an enterprise-grade architecture and an intuitive AI Agent Builder that lets developers design modular agents for text generation, translation, and context-aware decision making, with built-in runtime support that hides the underlying complexity so teams can prototype, deploy, and scale intelligent solutions quickly while keeping their software adaptable to evolving data and user needs.Starting Price: Free (Community) or $1000/year -
4
Google AI Studio
Google
Google AI Studio offers powerful AI agent builders that allow users to design, develop, and deploy intelligent agents tailored to specific business tasks. These agents can be customized to perform a wide range of functions such as customer support, data processing, and automation, enabling businesses to streamline their workflows. The platform provides an intuitive environment for defining agent behavior and integrating them with existing systems, making it easier to create sophisticated agents with minimal coding. Additionally, agents can be continuously improved using machine learning techniques to adapt to changing requirements and user preferences, further enhancing their efficiency and effectiveness.Starting Price: Free -
5
Deforge
Deforge
Deforge is a no-code platform that enables users to visually build, connect, and deploy powerful AI agents using an intuitive node-based interface. It offers a drag-and-drop editor, pre-built AI components, and multi-model support including GPT-4, Claude, and Llama. Users can create complex decision trees and workflows without coding, then deploy their AI agents with a single click for automatic scaling. The platform supports blockchain integration, enabling AI agents to interact with smart contracts and Web3 applications. Deforge caters to a wide range of use cases from customer service and content generation to data analysis, enterprise automation, and e-commerce personalization. With simple pricing plans and strong community support, Deforge makes AI agent development accessible to everyone.Starting Price: $0 -
6
Box
Box
Store, sign, and secure your content 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. ✓ Unlock the value of your content with AI: Pair top AI models with your organization’s content to find information, extract insights, build custom AI agents, and automate the work that slows you down ✓ Get unlimited collaboration: Create, manage, and share files from anywhere, with anyone ✓ Protect your content: Secure your sensitive files and data, thanks to granular access controls, intelligent threat detection, and adherence to stringent compliance requirements ✓ Scale with 1,500+ integrations: Work from anywhere across all your team’s favorite apps and extend the power of Box with APIsStarting Price: $5 per month -
7
Postman
Postman
The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.Starting Price: $12 per user per month -
8
Zapier
Zapier
Connect your apps and automate workflows. Easy automation for busy people. Zapier moves info between your web apps automatically, so you can focus on your most important work. Link your web apps with a few clicks, so they can share data. Pass info between your apps with workflows called Zaps. Build processes faster and get more done—no code required. Discover how Zapier makes automation accessible to everyone. Stick with the tools that work for you. Zapier connects more web apps than anyone, and we add new options every week. We integrate with apps such as Facebook Lead Ads, Slack, Quickbooks, Google Sheets, Google Docs, & many more! Our editor was made for do-it-yourself automation. Set up Zaps without developer help. Use Zapier’s built-in apps to create powerful workflows without using separate services. More than 3 million people rely on Zapier to take care of their tedious tasks. Zapier Agents allow businesses to automate real-world tasks by creating custom AI-powered teammates.Starting Price: $19.99 per month -
9
UiPath
UiPath
Become a fully automated enterprise™ with the UiPath Platform. A fully automated enterprise is a digitally transformed enterprise. Create business resilience, speed, and agility, and unburden people from mundane work with the automation platform that has it all. Use the data from your business applications (like ERP and CRM) to give you a detailed understanding of complex business processes. You’ll know what to automate and how to do it best—and be able to prove impact, too. UiPath is an innovative Robotic Process Automation (RPA) and process mining enterprise platform that empowers organizations to efficiently automate business processes, helping companies become digital businesses faster and gain a valuable advantage on their path to AI. Scalable, extensible, and sustainable, UiPath lets users design their own workflows visually--no scripting or coding required. The platform also features full auditing capabilities, advanced analytical reporting, and customizable dashboards.Starting Price: $3990.00/year/user -
10
Kimiyi AI
Kimiyi AI
Kimiyi AI is a generative conversational AI agent designed to automate various business needs. It allows users to create personalized AI agents without coding, offering features like real-time customer support, image and video generation, and automated phone calls. With a focus on user-friendly experience, Kimiyi provides video tutorials for setup and training, enabling businesses to engage customers effectively and enhance operational efficiency. Its capabilities include interactive learning, customer service, and tailored recommendations, making it adaptable for diverse industries such as e-commerce and hospitality.Starting Price: $29/month -
11
Dialogflow
Google
Dialogflow from Google Cloud is a natural language understanding platform that makes it easy to design and integrate a conversational user interface into your mobile app, web application, device, bot, interactive voice response system, and so on. Using Dialogflow, you can provide new and engaging ways for users to interact with your product. Dialogflow can analyze multiple types of input from your customers, including text or audio inputs (like from a phone or voice recording). It can also respond to your customers in a couple of ways, either through text or with synthetic speech. Dialogflow CX and ES provide virtual agent services for chatbots and contact centers. If you have a contact center that employs human agents, you can use Agent Assist to help your human agents. Agent Assist provides real-time suggestions for human agents while they are in conversations with end-user customers. -
12
Automation Anywhere
Automation Anywhere
Automation Anywhere is the leader in Agentic Process Automation (APA), putting AI to work across organizations. The company’s platform is powered with specialized AI agents, generative AI, and offers process discovery, RPA end-to-end process orchestration, document processing and analytics, with a security and governance-first approach. Automation Anywhere empowers organizations worldwide to unleash productivity gains, improve customer experiences and create new revenue streams. The company is guided by its vision to fuel the future of work by unleashing human potential through Agentic AI-powered automation.Starting Price: $750.00 -
13
ElevenLabs
ElevenLabs
The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling. Generate top-quality spoken audio in any voice and style with the most advanced and multipurpose AI speech tool out there. Our deep learning model renders human intonation and inflections with unprecedented fidelity and adjusts delivery based on context. Our AI model is built to grasp the logic and emotions behind words. And rather than generate sentences one-by-one, it’s always mindful of how each utterance ties to preceding and succeeding text. This zoomed-out perspective allows it to intonate longer fragments convincingly and with purpose. And finally you can do this with any voice you want.Starting Price: $1 per month -
14
IBM watsonx Assistant (Formerly Watson Assistant) is a market-leading enterprise conversational AI platform that allows you to build intelligent virtual and voice assistants that can provide customers with fast, consistent and accurate answers across any messaging platform, application, device or channel. Using artificial intelligence and large language models, watsonx Assistant learns from customer conversations, improving its ability to resolve issues the first time while removing the frustration of long wait times, tedious searches and unhelpful chatbots. Most chatbots try to mimic human interactions, frustrating customers when a misunderstanding arises. IBM watsonx Assistant is more than a chatbot. It knows when to search for an answer from a knowledge base, when to ask for clarity and when to direct users to a human agent for more assistance. And since it can be deployed in any cloud or on-premises environment – smarter AI is finally available wherever you need it.Starting Price: $140 per month
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15
AgentGPT
AgentGPT
AgentGPT allows you to configure and deploy Autonomous AI agents. Name your own custom AI and have it embark on any goal imaginable. It will attempt to reach the goal by thinking of tasks to do, executing them, and learning from the results.Starting Price: Free -
16
Ninja AI
NinjaTech AI
Ninja AI combines the best AI agents and models in the world under one affordable, monthly subscription. Ninja can help you accomplish more everyday, including, research, writing, file analysis, image generation, code generation, and meeting scheduling. Get access to the best AI models from Meta, OpenAI, Anthropic, Google, and more. Easily choose the models you want to use for each tasks, and easily compare answers across AI models. Plans with unlimited tasks starting from as low as $5/month.Starting Price: $5/month -
17
Mistral AI
Mistral AI
Mistral AI is a pioneering artificial intelligence startup specializing in open-source generative AI. The company offers a range of customizable, enterprise-grade AI solutions deployable across various platforms, including on-premises, cloud, edge, and devices. Flagship products include "Le Chat," a multilingual AI assistant designed to enhance productivity in both personal and professional contexts, and "La Plateforme," a developer platform that enables the creation and deployment of AI-powered applications. Committed to transparency and innovation, Mistral AI positions itself as a leading independent AI lab, contributing significantly to open-source AI and policy development.Starting Price: Free -
18
Retool
Retool
Retool is an application development platform that enables developers to combine the benefits of traditional software development with a drag-and-drop UI editor and AI to build internal tools radically faster. Building in Retool fits with how you develop software today—deploy it anywhere, connect to any internal service, import your libraries, debug with your toolchain, and share it securely to users—ensuring good and well-governed software by default. Retool is used by industry leaders such as Amazon, American Express, DoorDash, OpenAI, and Mercedes Benz for mission critical custom software across operations, billing, and customer support.Starting Price: $10 per user per month -
19
Cohere
Cohere AI
Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.Starting Price: Free -
20
Steel.dev
Steel.dev
Steel is an open source browser API that lets you control fleets of browsers in the cloud. From large-scale scrape jobs to fully autonomous web agents, Steel makes it easy to run browser automation in the cloud. Spin up on-demand browser sessions with a simple API call. Built-in CAPTCHA solving that keeps your automation flowing. Simple controls to never worry about getting flagged as a bot again. The average session starts in less than 1s when the client is in the same region. Run for a minute or several hours, each session can run up to 24 hours. Save and inject cookies and local storage to pick up where you left off. Easily run your Puppeteer, Playwright, or Selenium in the cloud. Session Viewer lets you view and debug live or recorded sessions.Starting Price: $99 per month -
21
Manus AI
Manus AI
Manus is a versatile general AI agent that bridges the gap between thought and action, seamlessly executing tasks in both professional and personal contexts. From data analysis and travel planning to educational material creation and stock insights, Manus helps users get things done while they focus on other priorities. With its ability to perform complex research, design interactive presentations, and analyze market trends, Manus is designed to improve productivity and efficiency. It also generates clear, actionable insights, making it an essential tool for professionals and individuals seeking to simplify their workflows and gain deeper insights.Starting Price: Free -
22
Lyzr
Lyzr AI
Lyzr Agent Studio is a low-code/no-code platform for enterprises to build, deploy, and scale AI agents with minimal technical complexity. Built on Lyzr's robust Agent Framework - the first and only agent framework to have safe and responsible AI natively integrated into the core agent architecture, this platform allows you to build AI Agents while keeping enterprise-grade safety and reliability in mind. The platform allows both technical and non-technical users to create AI-powered solutions that drive automation, improve operational efficiency, and enhance customer experiences—without the need for extensive coding expertise. Whether you're deploying AI agents for Sales, Marketing, HR, or Finance, or building complex, industry-specific applications for sectors like BFSI, Lyzr Agent Studio provides the tools to create agents that are both highly customizable and compliant with enterprise-grade security standards.Starting Price: $19/month/user -
23
BuildShip
BuildShip
BuildShip is a lowcode visual backend builder that lets you ship APIs, scheduled jobs, AI workflows, cloud jobs instantly. Connect with any database, tools and AI models to create complete backend logic flows. Use prebuilt nodes or use AI to create custom logic nodes just for you. By combining the ease of nocode with power of low-code extensibility - BuildShip gives you a scalable way to build your backend fast. Supports powerful use-cases like: 💸 Collect payment and trigger Stripe, RevenueCat, Lemon Squeezy for subscription workflows 🪄 Trigger AI workflows and build AI apps' backend 🔌 Creating APIs for processing your data and CRUD ops on database 📝 Send form submission data to third party tools 🤖 Add AI Assistant Chatbot with OpenAI, Azure, Claude, Groq or any model 💌 Email users, generate leads, enrich data The possibilities are endless with BuildShip ✨Starting Price: $25 per month -
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Cubeo AI
Cubeo AI
Create and train your AI Team to automate routine tasks in Sales, Marketing, HR and beyond without coding. Utilize advanced LLMs like GPT-4 and Claude to Simplify your workflows, increase productivity, and keep your team focused on what matters. Key Features: 1) Train your own AI Assistant: Train your AI Assistant to excellence with ease! Utilize diverse formats like PDFs, Docx, MP3s and videos, including YouTube content. 2) Use our pre-built AI Researcher: Efficiently gathers and analyzes information on any topic, generating concise, formatted reports. Good for market research analysis or any kind of research that involves a lot of texts to read on the web 3) Deploy on Your Own Platforms: Easily embed your AI Team into your website or share it with your team to use 4) Integrate with Your Loved Tools: Use tools like LinkedIn, Zapier, Make and others to create a powerful, cohesive digital ecosystem. 5) Connect multiple AI Agents and build your AI TeamStarting Price: $17/month -
25
newo.ai
Newo Inc.
Newo.ai is a low-code platform where developers create advanced, human-level intelligent agents with omnichannel communication, outperforming other builders by 10x. Dubbed "the WordPress for AI Agents," it allows the development of Digital Employees, Workers, and AI-assistants without programming skills. Unique to Newo.ai, these AI agents can be integrated with VoIP channels, smart speakers, and robots for tasks like reception hosting and system management, while aligning with corporate guidelines and enhancing service offerings. Types of Digital Workers created include AI Concierge, Hostess, Receptionist, Technical Support, Sales Consultant, Assistant, Financial Advisor, and HR operations, among others.Starting Price: $99/month -
26
CatDoes
CatDoes
CatDoes is your AI-powered app development partner that turns conversations into production-ready mobile apps. Just describe what you want, AI agents will handle the rest. CatDoes uses multi-agent approach where we have an agent that understands your requirements and feature set, an agent that prepares the theme, design and color palette of your app, an agent that knows how to code and builds your app, and an agent that knows how to release your app on the app stores and does it for you. 🐈✨ -
27
Appsmith
Appsmith
Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.Starting Price: $0.4/hour/user -
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Invicta AI
Invicta AI
Orchestrate AI agent teams with Mixture of Agents (MoE) approach. Create specialised AI workers with unique knowledge, LLMs, triggers and tools. Scale work with compute, not headcount. Automate complex workflows effortlessly—no coding required.Starting Price: $0 -
29
SuperAGI SuperCoder
SuperAGI
SuperAGI SuperCoder is an open-source autonomous system that combines AI-native dev platform & AI agents to enable fully autonomous software development starting with python language & frameworks SuperCoder 2.0 leverages LLMs & Large Action Model (LAM) fine-tuned for python code generation leading to one shot or few shot python functional coding with significantly higher accuracy across SWE-bench & Codebench As an autonomous system, SuperCoder 2.0 combines software guardrails specific to development framework starting with Flask & Django with SuperAGI’s Generally Intelligent Developer Agents to deliver complex real world software systems SuperCoder 2.0 deeply integrates with existing developer stack such as Jira, Github or Gitlab, Jenkins, CSPs and QA solutions such as BrowserStack /Selenium Clouds to ensure a seamless software development experienceStarting Price: Free -
30
SalesMachines.ai
SalesMachines.ai
SalesMachines offers various AI models and Conversation packages that are user-friendly and intelligent, just like SmartPhone calling plans. We constantly update our AI models, similar to how Apple updates their Smartphones. We strive to provide the best AI models and conversation plans. Powered by OpenAI's GPT 4 Turbo Technology: Our AI's use latest and greatest systems, creating responses that are safer and more helpful. Our team are constantly seeking new machine learning and large learning models (LLM's) to enhance your projects. We create previously unimaginable features that allow for natural, adaptable conversations that can follow various user paths without the need for complicated programming. Tried doing it yourself? Consider hiring pros. Smart. Easy. Affordable.Starting Price: $199