Best AI Agent Builders with a Free Trial
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Compare the Top AI Agent Builders with a Free Trial as of April 2026
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What are AI Agent Builders with a Free Trial?
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 AI Agent Builders with a Free Trial 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 agentâs 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
Retool
Retool
Retool is an AI-powered platform that enables teams to build internal software, agents, and workflows faster using natural language and composable building blocks. It allows users to go from a simple prompt to a fully deployed application that works with their existing data, systems, and business rules. Retool connects seamlessly to databases, APIs, LLMs, and external tools to create production-ready applications. The platform supports building AI agents, dashboards, workflows, and full-stack internal apps with flexibility and control. Teams can design interfaces visually, customize logic with code, or generate components using AI assistance. Retool integrates with modern developer workflows, including version control, CI/CD, and testing. Overall, it helps organizations reduce development time while maintaining enterprise-grade security and reliability.Starting Price: $10 per user per month -
4
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 -
5
StackAI
StackAI
StackAI is an enterprise AI automation platform to build end-to-end internal tools and processes with AI agents in a fully compliant and secure way. Designed for large organizations, it enables teams to automate complex workflows across operations, compliance, finance, IT, and support without heavy engineering. With StackAI you can: ⢠Connect knowledge bases (SharePoint, Confluence, Notion, Google Drive, databases) with versioning, citations, and access controls. ⢠Deploy AI agents as chat assistants, advanced forms, or APIs integrated into Slack, Teams, Salesforce, HubSpot, or ServiceNow. ⢠Govern usage with enterprise security: SSO (Okta, Azure AD, Google), RBAC, audit logs, PII masking, data residency, and cost controls. ⢠Route across OpenAI, Anthropic, Google, or local LLMs with guardrails, evaluations, and testing. ⢠Start fast with templates for Contract Analyzer, Support Desk, RFP Response, Investment Memo Generator, and more.Starting Price: $0 -
6
Sendbird
Sendbird
Sendbird's AI Agent Builder is a powerful no-code platform that allows businesses to create and manage custom AI agents for customer service across multiple communication channels. The platform enables users to define AI agent personas and train them with existing knowledge, ensuring they deliver consistent, brand-aligned responses. Through "Actionbooks," users can easily set up agent workflows with human-readable instructions, avoiding the need for coding. With built-in safeguards to prevent biased outputs and the ability to test agents in a risk-free sandbox, Sendbird ensures a seamless, ethical, and scalable solution for AI-driven customer interactions. It also offers performance tracking tools for continuous optimization.Starting Price: $399/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 APIsâfaster. 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 APIsâfaster. 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
Zapier is an AI-powered automation platform designed to help teams safely scale workflows, agents, and AI-driven processes. It connects over 8,000 apps into a single ecosystem, allowing businesses to automate work across tools without writing code. Zapier enables teams to build AI workflows, custom AI agents, and chatbots that handle real tasks automatically. The platform brings AI, data, and automation together in one place for faster execution. Zapier supports enterprise-grade security, compliance, and observability for mission-critical workflows. With pre-built templates and AI-assisted setup, teams can start automating in minutes. Trusted by leading global companies, Zapier turns AI from hype into measurable business results.Starting Price: $19.99 per month -
9
Intercom
Intercom
Intercom is an AI-first customer service platform that enables businesses to deliver personalized and efficient customer support across multiple channels. Founded in 2011, the company offers a comprehensive suite of tools, including the Fin AI Agent, which provides instant, accurate answers to customer inquiries 24/7. Intercom's platform also features AI Copilot, assisting support agents with real-time solutions, and AI Analyst, offering insights and recommendations for support leaders. Trusted by over 25,000 global organizations, including Atlassian, Amazon, and Microsoft, Intercom facilitates over 500 million messages per month, enhancing customer interactions and support efficiency. Headquartered in San Francisco, with offices in Chicago, Dublin, Sydney, and London, Intercom continues to innovate in the customer service industry.Starting Price: $29/seat/month -
10
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. Youâll know what to automate and how to do it bestâand 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 -
11
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 -
12
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. -
13
Automation Anywhere
Automation Anywhere
Automation Anywhere is the leader in Agentic Process Automation (APA), putting AI to work across organizations. The companyâs 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 -
14
AptlyStar.ai
AptlyStar.ai
AptlyStar.ai, powered by Aptly Technology Corporation, is an AI platform providing innovative solutions to enhance customer support and enhance workflow automation. With its intuitive tools, AptlyStar empowers businesses to build and deploy AI-powered agents, driving efficiency and productivity across teams.Starting Price: $20/month -
15
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, itâs 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 -
16
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 â smarter AI is finally available wherever you need it.Starting Price: $140 per month
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17
n8n
n8n
Build complex automations 10x faster, without fighting APIs. Your days spent slogging through a spaghetti of scripts are over. Use JavaScript when you need flexibility and UI for everything else. n8n allows you to build flexible workflows focused on deep data integration. And with sharable templates and a user-friendly UI, the less technical people on your team can collaborate on them too. Unlike other tools, complexity is not a limitation. So you can build whatever you want â without stressing over budget. Connect APIs with no code to automate basic tasks. Or write vanilla Javascript when you need to manipulate complex data. You can implement multiple triggers. Branch and merge your workflows. And even pause flows to wait for external events. Interface easily with any API or service with custom HTTP requests. Avoid breaking live workflows by separating dev and prod environments with unique sets of auth data.Starting Price: $20 per month -
18
Manus AI
Meta
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. Manus Desktop with the âMy Computerâ capability enables an AI agent to operate directly on a userâs local machine rather than being confined to the cloud. It interacts with files, applications, and development environments through command line execution, allowing seamless control over local workflows.Starting Price: $20/month -
19
Kore.ai
Kore.ai
Kore.ai empowers global brands to maximize the value of AI by providing end-to-end solutions for AI-driven work automation, process optimization, and service enhancement. Its AI agent platform, combined with no-code development tools, enables enterprises to create and deploy intelligent automation at scale. With a flexible, model-agnostic approach that supports various data, cloud, and application environments, Kore.ai offers businesses the freedom to tailor AI solutions to their needs. Trusted by over 500 partners and 400 Fortune 2000 companies, the company plays a key role in shaping AI strategies worldwide. Headquartered in Orlando, Kore.ai operates a global network of offices, including locations in India, the UK, the Middle East, Japan, South Korea, and Europe, and has been recognized as a leader in AI innovation with a strong patent portfolio. -
20
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. đ⨠-
21
Microsoft Copilot Studio
Microsoft
Microsoft Copilot Studio is a comprehensive platform that enables users to create and manage AI-driven agents tailored to specific business needs. Utilizing low-code and generative AI capabilities, it allows for the design of agents that can access internal knowledge bases, execute actions through a wide array of data connectors, and operate autonomously to enhance productivity. These agents can be seamlessly deployed across various channels, including Microsoft 365 applications, internal websites, and mobile apps, ensuring integration into existing workflows. Copilot Studio also offers robust governance features, providing IT departments with centralized control over usage, analytics, and security policies.Starting Price: $200 per month -
22
WRITER
WRITER
WRITER is an end-to-end platform for building, activating, and supervising AI agents across the enterprise. It empowers IT and business teams to collaboratively build agents that automate work, improve decision making, and drive business outcomes. With WRITER, teams get a home for their AI-powered work, while builders get intuitive development tools, seamless integrations, and full oversight via approval workflows, logs, and roleâbased controls. Powered by WRITERâs Palmyra LLMs and Knowledge Graph, the platform powers accurate, reliable AI agents that meet strict security and compliance standards, including SOC 2 Type II, GDPR, HIPAA, PCI, and the ISO trust triad. With WRITERâs team of AI experts, we turn AI pilots into companyâwide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.Starting Price: $29 per user/month -
23
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 -
24
Beam AI
Beam AI
Beam AI is the leading AI automation platform, already deployed by Fortune 500 companies and startups. It helps enterprises become AI native by building and deploying production-ready AI agents that actually work. Unlike typical AI solutions that fail in production, our agents thrive in real business environments, specially for HR and Finance use-cases. With Beam, you get measurable automation results from week one.Starting Price: Starting from $49 (Pro Plan) -
25
Metaflow AI
Metaflow AI
For growth operators and knowledge workers trapped between rigid app-connectors and endless prompt threads, Metaflow is an intuitive Agent builder and automation toolkit that lets you ideate freely, and then solidify discoveries into scalable AI workflows. Unlike most automation tools that separates creativity from execution, Metaflow lets discovery and execution happen in a unified space, giving ideas the room to be explored, nurtured, and mature into durable systems that unlock outsized impact, freeing growth teams to reclaim cognitive bandwidth and immerse themselves in deeply meaningful work.Starting Price: Free -
26
Calljmp
Calljmp
Calljmp is a developer-first AI agent runtime designed to build, run, and scale long-running stateful workflows written in TypeScript. While many modern tools like Mastra AI provide rich frameworks to define agents and workflows, Calljmp focuses on actually running them reliably in production. Calljmp combines agent logic, durable execution, human-in-the-loop pause/resume, retries with idempotency, and built-in observability into a unified execution environment. Developers implement agents as code, and the runtime guarantees reliable execution, state persistence, and operational visibility without gluing together custom queues, databases, and monitoring stacks. Calljmp is ideal for engineering teams, product developers, and backend architects who want to embed intelligent agents into product systems while offloading execution complexity to a purpose-built runtime.Starting Price: Free -
27
Agent.ai
Agent.ai
Agent.ai is a professional network and marketplace for AI agents, offering a platform where users can discover, connect, and hire AI agents to perform specific tasks. This platform acts as a hub for individuals and businesses seeking to integrate AI agents into their workflows, whether for automation, data processing, or other specialized tasks. It allows users to explore a wide range of AI agents tailored to different needs and industries, making it easier to find the right AI solutions for various use cases. Agent.ai aims to foster a community of AI enthusiasts and professionals to connect, collaborate, and advance the field of AI-driven automation.Starting Price: Free -
28
Boomi
Boomi
Boomi is a leader in integration and automation, offering an intelligent iPaaS platform that connects applications, APIs, data, and AI agents to drive digital transformation. With its seamless integration capabilities, Boomi enables businesses to scale securely, automate workflows, and manage data effortlessly across diverse environments. The platform includes AI-powered features, robust API management, and real-time insights to help enterprises streamline their operations, optimize efficiency, and innovate without compromising security. Boomi Agentstudio is a comprehensive AI agent management platform that allows businesses to design, govern, and orchestrate AI agents at scale. It simplifies the management of AI agents across their entire lifecycle, from development to deployment. With tools that provide real-time insights, observability, and compliance, Boomi Agentstudio empowers enterprises to automate processes, optimize workflows, and drive hyperproductivity.Starting Price: $550.00/month -
29
Tars
Tars Technologies
Tars is a no-code AI agent builder platform designed to help businesses create powerful conversational AI agents that enhance customer experiences and automate workflows. With its intuitive drag-and-drop builder, Tars empowers teams to design AI agents for sales, marketing, customer service, and more, without needing coding skills. Whether youâre automating lead generation, handling customer inquiries, or managing internal tasks, Tars offers a wide range of pre-built templates and the flexibility to build from scratch. Integrated with popular tools like Google Calendar, Salesforce, and WhatsApp, Tars seamlessly fits into your existing workflows and systems to optimize efficiency and productivity.Starting Price: $20 per month -
30
Cognigy.AI
NiCE Cognigy
NiCE Cognigy delivers AI that works â fast, human, and built for real-world scale. As part of NiCE, a global leader in customer experience technology, we combine Generative and Conversational AI with orchestration, tools, and enterprise integrations to power Agentic AI. The result? Smarter automation, better service, and instant resolution across every channel. NiCE Cognigyâs AI Agents Supercharge Your Customer Service -Industry-specific pre-trained AI Agents -Multilingual call and chat support (100+ languages) -Seamless integration with existing enterprise systems -Leverages memory and context for hyper-personalized interactions -Absorbs enterprise knowledge to accurately answer any customer query -Real-time assistance and actionable service insights for human agents Business Impact for our Customers: -30% CSAT improvement -70% AHT reduction -99.5% Faster response time -99% Routing accuracy
