Best AI Agent Builders
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Compare the Top AI Agent Builders as of November 2025
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What are 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 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
Amazon Bedrock
Amazon
Amazon Bedrock is a fully managed service that simplifies building and scaling generative AI applications by providing access to a variety of high-performing foundation models (FMs) from leading AI companies such as AI21 Labs, Anthropic, Cohere, Meta, Mistral AI, Stability AI, and Amazon itself. Through a single API, developers can experiment with these models, customize them using techniques like fine-tuning and Retrieval Augmented Generation (RAG), and create agents that interact with enterprise systems and data sources. As a serverless platform, Amazon Bedrock eliminates the need for infrastructure management, allowing seamless integration of generative AI capabilities into applications with a focus on security, privacy, and responsible AI practices. -
3
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 -
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
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 -
7
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 -
8
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 -
9
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 -
10
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 -
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 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 -
14
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 -
15
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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16
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 -
17
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 -
18
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 -
19
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 — 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 -
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
Intervo.ai
Intervo.ai
Intervo is an open source, enterprise-grade voice and chat AI agent platform designed to automate real-time customer interactions across voice and text channels. It allows businesses to build, train, and deploy custom agents in minutes without code; you define the agent’s purpose, upload domain knowledge (documents, files), choose a voice engine (e.g., ElevenLabs, Azure), and publish it to embedded channels. Its agents support use cases like lead qualification, customer support, AI receptionist/scheduling, interactive product assistance, and internal help agents (for HR, IT, etc.). They can integrate with telephony via Twilio, connect to multiple LLM backends (OpenAI, Claude, Gemini), orchestrate AI workflows, and embed on websites as widgets. It emphasizes scalability, compliance, and flexibility, letting organizations embed context-aware conversational agents that understand complex queries, route calls, and interact via speech or chat.Starting Price: $10 per month -
22
Gobii
Gobii
Gobii is a cloud-hosted platform that enables you to spin up fully managed browser-automation agents via API, allowing tasks like web-based research, form-filling, data extraction, and multi-step workflows to be automated at scale. These agents operate like “always-on employees” that can browse websites, even those without APIs, navigate dynamic content, handle JavaScript, and even rotate proxies automatically. Users can create agents, assign them prompts or tasks, and retrieve structured JSON outputs or live previews of the agent’s browser actions. Gobii supports synchronous and asynchronous task execution, secret handling for things like login credentials, schema-enforced output validation, and integrates with popular programming languages (Python, Node.js) for seamless implementation. The platform emphasises scalability (hundreds of tasks in parallel), enterprise-grade security (audit logs, proxies, task management), and a simple developer experience.Starting Price: $30 per month -
23
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. -
24
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 -
25
Devin
Cognition AI
Devin is an AI-driven software development assistant designed to collaborate with engineering teams to automate and accelerate coding tasks. It helps with tasks like setting up repositories, writing code, debugging, and performing migrations, all while working autonomously or alongside human developers. Devin is capable of learning from examples, making it more efficient over time. Its use has led to significant time and cost savings in large-scale projects, as seen in its deployment at Nubank, where it delivered 8-12x faster migrations and reduced costs by over 20x. Devin is particularly useful in refactoring and automating repetitive engineering tasks.Starting Price: $500/month -
26
1mind
1mind
Say goodbye to fragmented customer experiences. 1mind unites the expertise of your go-to-market teams into intelligent, versatile AI assistants capable of handling it all. Beyond enhancing efficiency and productivity, 1mind AIs build meaningful connections, deliver outstanding experiences, and drive business growth. From top-of-funnel lead qualification and sales to training, customer success, and technical support, 1mind covers the entire customer journey. With a photo-realistic face, voice, and a proactive real-time brain, 1mind can join Zoom calls, deliver pitches, lead sales meetings, and provide tailored demos—all in real time, across virtually any channel. Buyers get instant, accurate answers to their questions, anytime and anywhere, without the need for scheduling or navigating through multiple team members. 1mind transforms the buying experience into a seamless and enjoyable process for customers while boosting profitability for businesses. -
27
Microsoft Foundry
Microsoft
Microsoft Foundry is an end-to-end platform for building, optimizing, and governing AI apps and agents at scale. It gives developers access to more than 11,000 models — from foundational to multimodal — all available through one unified interface. With a simple, interoperable API and SDK, teams can build faster, ship confidently, and reduce integration complexity. Foundry connects seamlessly with your business systems, enabling AI solutions that understand your data and operate securely across your organization. Built-in governance, monitoring, and fleetwide controls ensure responsible AI deployment from day one. Microsoft Foundry helps companies turn AI into real business impact with speed, security, and precision. -
28
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 role‑based controls. Powered by WRITER’s 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 WRITER’s team of AI experts, we turn AI pilots into company‑wide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.Starting Price: $29 per user/month -
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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 -
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
