Best AI Agent Builders of 2026 - Reviews & Comparison

Retool

Retool is the AI-native enterprise app development platform where teams build and ship production-ready apps — at AI speed, with enterprise governance built in. Describe what you need and get a working app, import React-based apps from Lovable, Replit, or Claude Code, or connect your AI agent via MCP. However your team builds, every app lands in Retool with RBAC, SSO, audit logging, and your existing permissions already in place. Retool connects to databases, APIs, LLMs, and external tools out of the box. Teams can build AI agents, dashboards, workflows, and full-stack apps — with a visual editor for speed and direct code access for precision. Trusted by over 10,000 organizations including Amazon, Stripe, DoorDash, and OpenAI to get AI-built apps safely to production.

593 Ratings

Starting Price: $10 per user per month

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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.

29 Ratings

Starting Price: Free (Community) or $1000/year

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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, regulated 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 • Publish 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 • Deploy in multi-tenant cloud, dedicated cloud, private cloud, or on-premise

54 Ratings

Starting Price: $0

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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.

166 Ratings

Starting Price: $399/month

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Box

Box helps growing businesses manage and get more value from their content on one secure AI-powered platform. Combining file sharing, document management, workflow automation, e-signature, and AI tools in one place, Box empowers teams to reduce tool sprawl and improve visibility across all their files. Organizations use Box for secure internal and external collaboration, knowledge management, contract lifecycle management, onboarding, controlled documents, and audit-ready archiving. For teams adopting AI, Box is designed to connect AI to business content with permissions, governance, and auditability in one file system. The platform also supports compliance and security needs with features such as access controls, retention, classification, and protections for regulated environments, including support for requirements such as HIPAA and FINRA.

72 Ratings

Starting Price: $5 per month

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Intercom

Fin

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.

9 Ratings

Starting Price: $29/seat/month

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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.

9 Ratings

Starting Price: $3990.00/year/user

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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.

5 Ratings

Starting Price: $29/month

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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.

5 Ratings

Starting Price: $19/month/user

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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.

3 Ratings

Starting Price: $750.00

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Chatsby

Byteverse Limited

Chatsby is a B2B AI automation platform that helps businesses scale customer communication, capture leads, and drive sales without extra manpower. It automates conversations across multiple channels, responds instantly, and can even perform actions like product search, add to cart, booking, or order status checks. Every interaction is stored as structured data so teams can track leads, measure outcomes, and improve follow ups. Setup is extremely easy, no coding or technical skill required, and integration takes only a few minutes. From the dashboard you can train, monitor, and refine your AI agent, or step in at any time for human control. Chatsby solves the problem of missed leads, long response times, and repetitive tasks while delivering consistent 24/7 support. Businesses benefit from faster resolutions, lower costs, and higher conversions, making it the easiest and fastest way to scale customer operations and turn conversations into revenue.

2 Ratings

Starting Price: $40/month/user

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Kore.ai

Kore.ai is an enterprise AI platform that enables organizations to build, deploy, manage, and optimize AI agents for customer service and employee productivity use cases. Its Agent Platform, known as Artemis, provides the foundation for creating AI-powered applications, intelligent workflows, and enterprise-grade automation solutions. The platform includes pre-built applications for industries such as banking, healthcare, retail, human resources, recruiting, and IT support. Organizations can also leverage AI agent builders, enterprise search, orchestration tools, and marketplace integrations to accelerate development and deployment. Kore.ai is designed to support large-scale enterprise environments with strong governance, administrative controls, and integration capabilities. By combining AI agents, automation, and business process intelligence, Kore.ai helps enterprises improve operational efficiency and customer experiences.

1 Rating

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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.

1 Rating

Starting Price: $99/month

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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.

1 Rating

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DronaHQ

DronaHQ is a composite no-code and AI platform for building internal apps, voice workflows, and agentic workflows. The platform includes DronaHQ Apps, which helps teams create production-grade internal tools with built-in security, permissions, and reliability. Users can build applications through vibe coding, low-code development, prompts, and connected data sources. DronaHQ Agents helps teams create an agentic workforce that connects to enterprise systems and data to execute operational work. The platform is designed to support enterprise teams that need app development, AI agents, integrations, governance, and workflow automation in one environment. Built for speed and flexibility, DronaHQ helps organizations turn business needs into secure apps and operational agents without relying only on traditional software development.

Starting Price: $0/month

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Cognee

Cognee is an open source AI memory engine that transforms raw data into structured knowledge graphs, enhancing the accuracy and contextual understanding of AI agents. It supports various data types, including unstructured text, media files, PDFs, and tables, and integrates seamlessly with several data sources. Cognee employs modular ECL pipelines to process and organize data, enabling AI agents to retrieve relevant information efficiently. It is compatible with vector and graph databases and supports LLM frameworks like OpenAI, LlamaIndex, and LangChain. Key features include customizable storage options, RDF-based ontologies for smart data structuring, and the ability to run on-premises, ensuring data privacy and compliance. Cognee's distributed system is scalable, capable of handling large volumes of data, and is designed to reduce AI hallucinations by providing AI agents with a coherent and interconnected data landscape.

Starting Price: $25 per month

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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

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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

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Cognigy.AI

NiCE Cognigy

NiCE Cognigy delivers AI that works – 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 Cognigy’s 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

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Voiceflow

Voiceflow is an AI customer experience platform that helps teams build, launch, and scale advanced AI agents for support, lead generation, and other customer-facing workflows. It gives product, CX, support, engineering, and enterprise teams tools to design intelligent workflows, deploy integrated agents, and improve agents over time without full rebuilds. The platform supports omnichannel experiences across web, phone, and mobile, allowing businesses to create consistent AI-powered conversations across customer touchpoints. Voiceflow includes an agent builder, deterministic workflows, global instructions, guardrails, APIs, functions, observability tools, and production environments for development, staging, and launch. Its Agentic Context Engine helps turn complex conversations into enriched customer experiences while supporting high-volume usage and low-latency voice interactions.

Starting Price: $40 per editor per month

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Akira AI

Akira.ai provides businesses with Agentic AI, a set of specialized AI agents designed to optimize and automate complex workflows across various industries. These AI agents collaborate with human teams, enhancing productivity, making real-time decisions, and automating repetitive tasks, such as data analysis, incident management, and HR processes. The platform integrates smoothly with existing systems, including CRMs and ERPs, ensuring a disruption-free transition to AI-enhanced operations. Akira’s AI agents help businesses streamline their operations, increase decision-making speed, and boost overall efficiency, driving innovation across sectors like manufacturing, finance, and IT.

Starting Price: $15 per month

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DevRev

A blazingly fast neural engine for next-generation customer support and software development. Bringing the power of LLMs and analytics to rebuild your relationship with your customers. The auto route, collaborate, and triage to solve customer needs in real-time. Elevate your support team and deflect customer queries with modern AI. Connect development teams and their sprints to customer impact. Triage customer signals and get guidance on product enhancements. A shared view to build software and support customers as one. Live chat, support ticketing, and engineering issues on one platform. Personalize your experience with custom objects, views, and more. Extend your experience with APIs and webhooks. Build, test, deploy, and publish your own automation. Map your work, customers, and product data in one system. Modern stack that brings cloud-native scale for millions of users. Consumer grade and real-time experiences with text, audio, and video. Enterprise-grade security and compliance.

Starting Price: $9.99 per month

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Riff

Riff is an AI agent platform designed to automate complex business workflows across enterprise systems. It enables organizations to build and deploy AI agents that handle tasks like reconciliation, exception management, and decision-making. The platform integrates directly with tools such as ERP systems, Salesforce, ServiceNow, and data platforms. Riff allows businesses to move from manual processes to automated workflows in just a few weeks. It empowers domain experts within teams to build and manage AI agents without heavy engineering dependencies. The platform ensures enterprise-grade governance, security, and compliance from the start. Overall, Riff helps organizations improve efficiency and drive measurable business outcomes through AI automation.

Starting Price: $49 per month

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Latenode

Latenode offers no-code simplicity, full-code power, and AI intelligence. Build and automate interactions between any services that have APIs. Use no-code nodes, or write your own code. Instead of spending time searching for the necessary API and going through the documentation, simply voice your request to the AI assistant and receive ready-made code. Latenode is a powerful data platform designed to simplify the integration of various marketing tools. It provides an integrated system that eliminates data discrepancies and enhances operational efficiency through seamless integration. Ready-made connectors for popular SaaS services or custom code for complete freedom. Send a Slack notification to your team and an email confirmation to the client. Use conditional logic to route your scripts based on incoming data. Use a cloud-based API building kit to create workflows that connect any applications.

Starting Price: $17 per month

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Gumloop

Drag, drop, and deploy custom tools your business needs. Leverage our community's efforts with pre-built workflows. Fuel your workspace with our growing library of nodes; connect to a world of possibilities. Pass data from A to Z with drag-and-click connections. Workflows that are repetitive or time-consuming are the perfect candidates for automation. Gumloop is built to be generally useful for all data processing tasks so get as creative as you'd like. Our automation builder allows for much more complex automation than existing solutions and is built with AI at its core. We don't aim to just streamline your workflow but replace it entirely. You can invite other users to a Workspace or just send them the URL to your automation. Automate your complex business processes without writing a single line of code. Specify a link to a home listing and have AI extract key details like price, address, and more.

Starting Price: $97 per month

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Fyli

Create AI agents to automatically find your ideal customers online, post engaging content, and get more high-intent leads who are ready to buy your product. Fyli houses a rich set of features to help you supercharge your marketing efforts. With our AI agents, you can automate posting content to multiple platforms, saving you time and effort. Fyli analyzes all content to learn what works, so you can double down on it. Fyli uses cutting-edge AI models to create authentic & engaging content. You can work with Fyli in copilot mode to edit, approve and schedule content. Fyli scrapes the internet to find high-intent leads who are ready to buy. Automate your marketing with specialized AI agents who work for you 24/7. Fyli makes it easy to monitor your target audience, through subreddits and keywords to find potential users talking about the problems your product solves. It can then help you genuinely engage in discussions and organically plug your product when appropriate.

Starting Price: $39 per month

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AgentOps

Industry-leading developer platform to test and debug AI agents. We built the tools so you don't have to. Visually track events such as LLM calls, tools, and multi-agent interactions. Rewind and replay agent runs with point-in-time precision. Keep a full data trail of logs, errors, and prompt injection attacks from prototype to production. Native integrations with the top agent frameworks. Track, save, and monitor every token your agent sees. Manage and visualize agent spending with up-to-date price monitoring. Fine-tune specialized LLMs up to 25x cheaper on saved completions. Build your next agent with evals, observability, and replays. With just two lines of code, you can free yourself from the chains of the terminal and instead visualize your agents’ behavior in your AgentOps dashboard. After setting up AgentOps, each execution of your program is recorded as a session and the data is automatically recorded for you.

Starting Price: $40 per month

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Epsilla

Manages the entire lifecycle of LLM application development, testing, deployment, and operation without the need to piece together multiple systems. Achieving the lowest total cost of ownership (TCO). Featuring the vector database and search engine that outperforms all other leading vendors with 10X lower query latency, 5X higher query throughput, and 3X lower cost. An innovative data and knowledge foundation that efficiently manages large-scale, multi-modality unstructured and structured data. Never have to worry about outdated information. Plug and play with state-of-the-art advanced, modular, agentic RAG and GraphRAG techniques without writing plumbing code. With CI/CD-style evaluations, you can confidently make configuration changes to your AI applications without worrying about regressions. Accelerate your iterations and move to production in days, not months. Fine-grained, role-based, and privilege-based access control.

Starting Price: $29 per month

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Inferable

Create your first AI automation in 60 seconds. Inferable seamlessly integrates with your existing codebase and infrastructure, allowing you to create powerful AI automation without compromising on control or security. Works with your existing codebase. Integrates with your existing services via opt-in. Enforce determinism through source code. Create and manage automation programmatically. You own the computer, in your own infrastructure. Inferable comes out of the box with delightful DX to kickstart your AI automation journey. We bring the best in class vertically integrated LLM orchestration. You bring your product and domain expertise. At the core of Inferable is a distributed message queue that ensures your AI automation is scalable and reliable. It makes sure your automations are executed correctly, and that failures are handled gracefully. Decorate your existing functions, REST APIs, and GraphQL endpoints with decorators to require human approval.

Starting Price: $0.006 per KB

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SuperMarketer

SuperAGI

SuperMarketer is an autonomous marketing platform that enables personalized customer engagement across multiple channels, including email, SMS, WhatsApp, mobile, Facebook, and Google. Leveraging AI-powered agents automates tasks such as creating social media graphics, sending email campaigns, and continuously personalizing customer experiences. SuperMarketer facilitates real-time generative customer journeys powered by large language models, moving beyond traditional templated automation flows to optimize customer engagement workflows based on recent interactions. It consolidates various channels into a single platform, allowing for seamless orchestration of personalized and targeted customer interactions based on behavioral data, demographics, and recent website actions. Orchestrate highly personalized and targeted customer interactions based on behavioral data, demographics & recent actions on the website.

Starting Price: $75 per month

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Best AI Agent Builders

Compare the Top AI Agent Builders as of October 2026

What are AI Agent Builders?

Retool

LM-Kit.NET

StackAI

Sendbird

Box

Intercom

UiPath

Kimiyi AI

Lyzr

Automation Anywhere

Chatsby

Kore.ai

newo.ai

1mind

DronaHQ

Cognee

Agent.ai

Boomi

Cognigy.AI

Voiceflow

Akira AI

DevRev

Riff

Latenode

Gumloop

Fyli

AgentOps

Epsilla

Inferable

SuperMarketer

Best AI Agent Builders

Compare the Top AI Agent Builders as of October 2026

What are AI Agent Builders?

Retool

LM-Kit.NET

StackAI

Sendbird

Box

Intercom

UiPath

Kimiyi AI

Lyzr

Automation Anywhere

Chatsby

Kore.ai

newo.ai

1mind

DronaHQ

Cognee

Agent.ai

Boomi

Cognigy.AI

Voiceflow

Akira AI

DevRev

Riff

Latenode

Gumloop

Fyli

AgentOps

Epsilla

Inferable

SuperMarketer

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