AI agents are no longer just a concept from research labs; they are becoming everyday tools for businesses and individuals. In 2025, more than 40% of companies are expected to use AI-driven automation to handle tasks like customer support, content creation, and workflow management. This shift is possible because of AI agent builders, platforms that let anyone create and deploy AI agents without needing deep technical skills.
You don’t always need to code. Even non-developers can build smart assistants in a few clicks. And for developers, there are powerful frameworks that provide more control and flexibility.
In this blog, we will look at the Top 19 Best AI Agent Builders in 2025, including tools for developers, creators, businesses, and free options for beginners.
What Are AI Agent Builders?
AI agent builders are platforms or tools that help you create AI agents without starting from scratch. Instead of building complex systems on your own, these builders give you ready-made frameworks, drag-and-drop features, or coding SDKs to design agents that can think, respond, and act.
Some are designed for developers who want more control, while others are no-code AI agent builders that let anyone build an agent without technical skills. Businesses use them for customer support, sales, content creation, and even creative projects.
In short, an AI agent builders is your shortcut to turning ideas into working AI agents, fast, efficient, and cost-effective.
1. AI SDK by Vercel – Best Developer-Friendly AI Agent Builder
AI SDK by Vercel is designed for developers who want full control while building AI-powered apps and agents. It’s flexible, reliable, and integrates smoothly with modern frameworks.
Key Features:
- Developer-focused SDK for building custom AI agents
- Easy integration with APIs and existing apps
- Scalable for both small projects and enterprise use
Best For:
Developers, startups, and teams looking to create custom AI agents with a coding-first approach.
2. Bob – Simplest No-Code AI Agent Builder
Bob makes it easy for anyone to build AI agents without writing a single line of code. Its drag-and-drop interface is beginner-friendly, so you can create agents quickly and deploy them for different tasks.
Key Features:
- No-code platform with a simple UI
- Pre-built templates for common workflows
- Fast setup and easy deployment
Best For:
Non-technical users, small businesses, and anyone who wants a no-code AI agent builder to get started quickly.
3. Code Brew Labs – Best AI App Builders for Enterprises
Code Brew Labs focuses on building powerful AI agents for businesses and enterprises. It provides robust tools and frameworks that make it easy to create complex AI-driven applications without compromising on performance.
Key Features:
- Enterprise-ready AI agent builders
- Supports integration with multiple platforms and APIs
- Advanced features for automation and workflow management
Best For:
Businesses, enterprises, and teams looking for a reliable AI app builder to create scalable AI agents.
4. AutoGen – Top Multi-Agent Collaboration Framework
AutoGen is designed for building AI agents that can work together in a collaborative environment. It’s ideal for projects that require multiple agents to communicate and perform complex tasks efficiently.
Key Features:
- Supports multi-agent collaboration
- Easy to set up workflows between agents
- Flexible for both development and testing
Best For:
Teams and developers who need a platform for creating collaborative AI agents and managing multi-agent workflows.
5. CrewAI – Best AI Agent Builder for Team Productivity
CrewAI helps teams create AI agents that boost productivity and streamline daily tasks. It’s focused on collaboration and integrating AI agents into team workflows.
Key Features:
- Build AI agents to manage tasks and workflows
- Integrates with team tools for seamless collaboration
- User-friendly interface for both technical and non-technical users
Best For:
Teams and businesses are looking for productivity-focused AI agent builders that enhance collaboration and efficiency.
6. Flowise – Leading Visual No-Code AI Agent Builder
Flowise is a visual, no-code platform that makes building AI agents easy for anyone. Its drag-and-drop interface allows users to design agents quickly without coding knowledge.
Key Features:
- Visual workflow builder for AI agents
- No-code platform suitable for beginners
- Supports integrations with APIs and other tools
- Offers both free and paid plans
Best For:
Non-technical users, startups, and anyone looking for no-code AI agent builders to create AI agents fast.
7. Sintra AI – AI Agent Builder for Knowledge Workflows
Sintra AI is designed for managing knowledge-based tasks. It helps create AI agents that can organize, process, and deliver information efficiently, making it easier for teams to handle complex workflows.
Key Features:
- AI agents for knowledge management and automation
- Integrates with databases and APIs for seamless workflows
- Supports team collaboration and multi-agent setups
Best For:
Businesses, research teams, and knowledge workers who need an AI agent builders to manage and streamline information workflows.
8. MyShell.ai – Best Free AI Agent Builder to Monetize AI Agents
MyShell.ai allows users to create AI agents quickly and even monetize them. It’s beginner-friendly and offers a free plan, making it a great choice for those starting without investing heavily.
Key Features:
- Free plan available for creating AI agents
- Easy-to-use platform for both beginners and advanced users
- Options to monetize your AI agents
Best For:
Individuals, small businesses, and creators are looking for a free AI agent builder with monetization options.
9. Runner H – Lightweight AI Agent Deployment Tool
Runner H is a lightweight platform designed for the quick deployment of AI agents. It focuses on simplicity and speed, making it ideal for testing ideas or running small-scale projects.
Key Features:
- Fast and easy AI agent deployment
- Lightweight platform suitable for small projects
- Integrates with APIs and other tools easily
Best For:
Developers and startups are looking for a lightweight AI app builder to deploy AI agents quickly and efficiently.
10. Photog – Best AI Agent Tool for Creative & Visual Workflows
Photog is designed for creative projects, helping users build AI agents that focus on visual content and creative tasks. It’s perfect for designers, artists, and content creators looking to automate or enhance their workflows.
Key Features:
- AI agents tailored for creative and visual projects
- Easy integration with design and content tools
- User-friendly interface for both technical and non-technical users
Best For:
Creators, designers, and teams who need the best AI agent tool for creative and visual workflows.
11. Storm – AI Agent Builder for Business Automation
Storm is designed to help businesses automate workflows and tasks using AI agents. It focuses on efficiency, making it easier to manage repetitive processes.
Key Features:
- Automates business workflows and tasks
- Easy integration with existing tools and platforms
- User-friendly interface for quick setup
Best For:
Businesses and teams are looking for an AI agent builders to streamline operations and save time.
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12. Relevance AI – AI Agent Builder for Data-Driven Workflows
Relevance AI helps create AI agents that work with large datasets, making it easier to analyze, process, and act on information quickly.
Key Features:
- AI agents for data processing and analysis
- Integrates with databases and analytics tools
- Supports automation of repetitive data workflows
Best For:
Businesses, data teams, and analysts who need data-focused AI agent builders to simplify and automate workflows.
13. Do Browser – AI Agent Builder for Web Automation
Do Browser is designed to help users automate tasks directly in the browser using AI agents. It simplifies repetitive web-based tasks, saving time and effort.
Key Features:
- Automates browser tasks and workflows
- Easy setup with minimal technical knowledge
- Integrates with web apps and APIs
Best For:
Individuals, marketers, and small businesses who want a web-focused AI agent builder to streamline online tasks.
14. Soul Machines AI – AI Agent Builder for Human-Like Interactions
Soul Machines AI focuses on creating AI agents that interact like humans. Its agents are designed for customer engagement, training, and support, offering a more natural conversational experience.
Key Features:
- Human-like AI agents for conversations
- Ideal for customer service and training
- Integrates with business systems for personalized interactions
Best For:
Businesses and teams are looking for a human-centric AI agent builder to improve customer experience and engagement.
15. Browser Use – AI Agent Builder for Internet Tasks
Browser Use helps create AI agents that automate tasks directly in your browser, such as data collection, web scraping, and online research.
Key Features:
- Automates repetitive internet-based tasks
- Easy-to-use interface for quick setup
- Integrates with web tools and APIs
Best For:
Researchers, marketers, and anyone needing a browser-focused AI agent builder to save time on online tasks.
16. Replit AI – AI Agent Builder for Coding and Development
Replit AI is built for developers who want to create AI agents directly within a coding environment. It helps automate coding tasks, generate code snippets, and assist in project development.
Key Features:
- AI agents for coding assistance and automation
- Integrated development environment (IDE) support
- Helps speed up software development and debugging
Best For:
Developers, programmers, and tech teams are looking for developer-focused AI agent builders to enhance productivity.
17. BardeenAI – AI Agent Builder for Workflow Automation
BardeenAI helps users automate repetitive tasks across different apps and platforms. It’s designed to save time and reduce manual effort by connecting workflows seamlessly.
Key Features:
- Automates tasks across multiple apps
- Easy setup with no coding required
- Supports productivity and business workflows
Best For:
Professionals, teams, and small businesses are looking for workflow-focused AI agent builders to streamline operations.
18. Enso – AI Agent Builder for Custom Automation
Enso helps users create AI agents tailored to their specific workflows. It’s flexible and can automate a variety of tasks, from business operations to personal productivity.
Key Features:
- Customizable AI agents for different workflows
- Easy integration with apps and APIs
- Supports both business and personal automation
Best For:
Businesses, teams, and individuals who need customizable AI agent builders to automate tasks efficiently.
19. Klaviyo – AI Agent Builder for Marketing Automation
Klaviyo focuses on creating AI agents that help automate marketing workflows. From email campaigns to customer segmentation, it helps businesses engage their audience more effectively.
Key Features:
- AI agents for email marketing and customer engagement
- Automates marketing workflows and campaigns
- Integrates with e-commerce platforms and analytics tools
Best For:
Marketing teams, e-commerce businesses, and anyone looking for a marketing-focused AI agent builders to save time and improve results.
With the right AI agent builder, you can save time, boost productivity, and bring your ideas to life. Choose the one that fits your needs and start building smarter today.
Conclusion
AI agent builders are no longer just futuristic tools; they are practical solutions that help businesses, creators, and developers work smarter.
In 2025, there is a wide range of options available: from no-code AI agent builders like Bob and Flowise for beginners, to developer-focused platforms like AI SDK by Vercel and Replit AI, and specialised tools like Soul Machines AI for human-like interactions or Klaviyo for marketing automation.
Whether you are automating workflows, building creative agents, or managing data-driven tasks, the right AI agent builders can save time, improve efficiency, and unlock new possibilities. Explore these top 20 tools, match them to your needs, and start creating AI agents that make your work faster, easier, and smarter.
FAQs About AI Agent Builders
Can AI agent builders replace human employees?
No, AI agent builders are designed to assist with repetitive tasks and workflows. They enhance productivity but do not fully replace human judgment or creativity.
How secure are AI agents created on these platforms?
Security varies by platform, but most reputable AI agent builders use encryption and secure APIs. Always check the platform’s security and data privacy policies before deployment.
Do AI agent builders require ongoing maintenance?
Yes. AI agents often need updates, retraining, or monitoring to ensure they continue performing correctly as tasks or data change.
Can AI agents created on one platform be migrated to another?
Migration depends on the platform’s support for APIs, export options, or integration with other tools. Some platforms allow easy export, while others may require rebuilding agents.
Are AI agent builders suitable for small businesses?
Absolutely. Many platforms offer no-code builders and free tiers, making them accessible to startups and small businesses with limited technical resources.
