Best AI Agent Builders for GPT-4
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Compare the Top AI Agent Builders that integrate with GPT-4 as of December 2025
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This a list of AI Agent Builders that integrate with GPT-4. Use the filters on the left to add additional filters for products that have integrations with GPT-4. View the products that work with GPT-4 in the table below.
What are AI Agent Builders for GPT-4?
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 for GPT-4 currently available using the table below. This list is updated regularly.
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1
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 -
2
Zapier
Zapier
Connect your apps and automate workflows. Easy automation for busy people. Zapier moves info between your web apps automatically, so you can focus on your most important work. Link your web apps with a few clicks, so they can share data. Pass info between your apps with workflows called Zaps. Build processes faster and get more done—no code required. Discover how Zapier makes automation accessible to everyone. Stick with the tools that work for you. Zapier connects more web apps than anyone, and we add new options every week. We integrate with apps such as Facebook Lead Ads, Slack, Quickbooks, Google Sheets, Google Docs, & many more! Our editor was made for do-it-yourself automation. Set up Zaps without developer help. Use Zapier’s built-in apps to create powerful workflows without using separate services. More than 3 million people rely on Zapier to take care of their tedious tasks. Zapier Agents allow businesses to automate real-world tasks by creating custom AI-powered teammates.Starting Price: $19.99 per month -
3
AgentGPT
AgentGPT
AgentGPT allows you to configure and deploy Autonomous AI agents. Name your own custom AI and have it embark on any goal imaginable. It will attempt to reach the goal by thinking of tasks to do, executing them, and learning from the results.Starting Price: Free -
4
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 -
5
BuildShip
BuildShip
BuildShip is a lowcode visual backend builder that lets you ship APIs, scheduled jobs, AI workflows, cloud jobs instantly. Connect with any database, tools and AI models to create complete backend logic flows. Use prebuilt nodes or use AI to create custom logic nodes just for you. By combining the ease of nocode with power of low-code extensibility - BuildShip gives you a scalable way to build your backend fast. Supports powerful use-cases like: 💸 Collect payment and trigger Stripe, RevenueCat, Lemon Squeezy for subscription workflows 🪄 Trigger AI workflows and build AI apps' backend 🔌 Creating APIs for processing your data and CRUD ops on database 📝 Send form submission data to third party tools 🤖 Add AI Assistant Chatbot with OpenAI, Azure, Claude, Groq or any model 💌 Email users, generate leads, enrich data The possibilities are endless with BuildShip ✨Starting Price: $25 per month -
6
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 -
7
BabyAGI
BabyAGI
This Python script is an example of an AI-powered task management system. The system uses OpenAI and Chroma to create, prioritize, and execute tasks. The main idea behind this system is that it creates tasks based on the result of previous tasks and a predefined objective. The script then uses OpenAI's natural language processing (NLP) capabilities to create new tasks based on the objective, and Chroma to store and retrieve task results for context. This is a pared-down version of the original Task-Driven Autonomous Agent. The script works by running an infinite loop that does the following steps: 1. Pulls the first task from the task list. 2. Sends the task to the execution agent, which uses OpenAI's API to complete the task based on the context. 3. Enriches the result and stores it in Chroma. 4. Creates new tasks and reprioritizes the task list based on the objective and the result of the previous task.Starting Price: Free -
8
AgentX
AgentX
Create a multi-model AI agent with your own data. Leverage LLM ChatGPT, GPT4, Gemini, Anthropic, or more. Instantly deploy your AI agent to any of your web builders such as WordPress, Webflow, Shopify, Squarespace, and more. Present next-generation artificial intelligence chatbot. Build and give your AI agent a name, define its bio, describe his duty, and provide knowledge of your choice. Build your ChatGPT with no code needed to build. Teach your AI agent in natural language with no code needed. Tune it to fit your needs in real time. We support multi-channel integration and deploy customized ChatGPT to Slack, WhatsApp, email, text, and more. Empower your business with AI agent customized ChatGPT. Users can like, subscribe, and chat with community agents created by other users, and of course, you can share yours. AgentX provides a multi-model mix-match building experience. You can choose LLM (large language model) from different vendors.Starting Price: $19 per month -
9
Riff
Riff
Business-ready vibe coding - Riff is the only fully-integrated vibe coding platform. Build production-ready apps and agents connected to your data and tech stack in minutes.Starting Price: $49 per month -
10
Gumloop
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 -
11
AI Assistify
AI Assistify
Access all AI models from Gemini, ChatGPT, and Claude, in one place, and effortlessly build your own AI agent to automate workflows in minutes. Unlock the power of AI chat in your pocket. With humanlike responses, our AI Assistant creates a chat experience that feels like chatting with a friend, for you and your customers. Easily train AI agents by uploading documents (PDF, DocX,..) and seamlessly connecting with Notion, and Drive to expand your agent's capabilities. Extensively customizable with a brand name, colors, domain, and more. Seamlessly integrates with social networks such as WhatsApp, Messenger, and Telegram. Your API keys will remain securely stored locally on your device, without the need for any software installation. The prompt library is finely tuned for seamless interaction with our AI chatbot, easily accessible via intuitive shortcuts. Our mission is to simplify productivity, allowing you to focus on your daily life and customers with ease.Starting Price: $19 per month -
12
Agenthost
Agenthost
Agenthost is an all-in-one platform that enables users to create, train, and monetize AI agents without requiring coding skills. It allows the development of chatbots capable of handling customer inquiries across various channels, including websites and email, as well as AI-powered sales assistants to qualify leads and drive business growth. Users can deploy agents to email addresses, embed them on websites, or host them on custom domains, ensuring accessibility across multiple platforms. The platform supports integration with over 6,000 applications via Zapier, facilitating workflow automation and enhancing operational efficiency. Customization options include personalizing the agent's appearance and behavior to align with brand identity and setting up monetization through plans and subscriptions powered by Stripe. Agenthost also offers built-in analytics to monitor agent performance and user interactions, providing insights for continuous improvement.Starting Price: $29.99 per month -
13
Mastra AI
Mastra AI
Mastra is a powerful TypeScript framework for building intelligent AI agents that can execute tasks, access knowledge bases, and maintain memory persistently within workflows. This framework simplifies the process of creating and deploying AI-powered agents by leveraging TypeScript’s capabilities to streamline development. With features like customizable agent instructions, memory, and task orchestration, Mastra provides developers with the tools to build and scale AI agents for various applications, from personal assistants to specialized domain experts.Starting Price: Free -
14
VoltAgent
VoltAgent
VoltAgent is an open source TypeScript AI agent framework that enables developers to build, customize, and orchestrate AI agents with full control, speed, and a great developer experience. It provides a complete toolkit for enterprise-level AI agents, allowing the design of production-ready agents with unified APIs, tools, and memory. VoltAgent supports tool calling, enabling agents to invoke functions, interact with systems, and perform actions. It offers a unified API to seamlessly switch between different AI providers with a simple code update. It includes dynamic prompting to experiment, fine-tune, and iterate AI prompts in an integrated environment. Persistent memory allows agents to store and recall interactions, enhancing their intelligence and context. VoltAgent facilitates intelligent coordination through supervisor agent orchestration, building powerful multi-agent systems with a central supervisor agent that coordinates specialized agents.Starting Price: Free -
15
AgentSea
AgentSea
AgentSea is an open source platform designed to build, deploy, and share AI agents with ease. It delivers a collection of libraries and tools for building AI agent apps, favoring the UNIX philosophy of doing one thing well. Tools can be used individually or stacked together into a single agent app, and are compatible with frameworks like LlamaIndex and LangChain. Key components include SurfKit, a Kubernetes-style orchestrator for agents; DeviceBay, offering pluggable devices like file systems and desktops; ToolFuse, a library that wraps scripts, third-party apps, and APIs as Tool implementations; AgentD, a daemon making a Linux desktop OS accessible to bots; AgentDesk, a library for running AgentD-powered VMs; Taskara, for task management; ThreadMem, for building multi-role persistent threads; and MLLM, simplifying communication with multiple LLMs and multimodal LLMs. AgentSea also offers alpha agents like SurfPizza and SurfSlicer, which navigate GUIs using multimodal approaches.Starting Price: Free -
16
OneAI
OneAI
Select from our library, fine-tune, or build your own capabilities to analyze and process text, audio and video at scale. Integrate advanced NLP into your app or workflow. Select from the library or build your own. Summarize, tag and analyze language with stackable, composable NLP building blocks, built on state-of-the-art models, all with a single API call. Build and fine-tune custom Language Skills with your data using our powerful Custom-Skill engine. Only 5% of the world's population speaks English as their native language. Most of One AI’s capabilities are multilingual. So whether you build a podcast platform, CRM, content publishing tool, or any other product, the language detection, processing, transcription, analytics, and comprehension capabilities are here.Starting Price: $0.2 per 1,000 words -
17
Bizway
Bizway
Have a business idea, but don't know where to start? Bizway generates tailored roadmaps and insights with GPT-4 powered responses to help you build (& execute) your new business plan. Create custom, tailored roadmaps (in seconds) that break down your idea, goal, or plan into manageable steps. Be it your product MVP, your marketing strategy, or figuring out your financials; create a roadmap to help keep you on track. If roadmaps give your plan structure, Tasks are where the work actually gets done. Bizway can execute a wide range of tasks with one click, from giving a competitor analysis summary to brainstorming names, taglines, and marketing copy, or coming up with your first 12-month financial forecast. Every brilliant idea, research item, insight, and plan; is easily saved to your Biz plan in a couple of clicks. Explore every branch and idea in full, go down the rabbit hole, then save your insights to the relevant business section as you go.Starting Price: $19 per month -
18
Chatsimple
Chatsimple
Chatsimple is a copilot for your website visitor powered by AI. Create the best AI copilot to sit beside every visitor. Engage with every visitor and give them a VIP experience. Navigate visitors to the right products & case studies instantly. Change the way your customers interact with your website. The most intuitive search engine for your business. Proactive engagement with potential buyers. Capture the visitor details and qualify their needs. Summarize insights on customer needs and issues. Personalized responses for quick and informed decisions. Get a personalized sales agent for your website. Convert visitors to customers even while you sleep. Detection and support of 175+ languages. High-quality responses 24/7 across multiple channels. Engage in conversations to increase customer lifetime value. Chatsimple is ready to help your customers any time of the day, so you can focus on all customers and deliver consistently.Starting Price: $49 per month -
19
ChatLLM
Abacus.AI
One AI assistant for you or your team with access to all the state-of-the-art LLMs, web search and image generation. Access all the state-of-the-art in one AI Assistant! Integrate with Slack or Teams, create custom chatbots and AI agents. More powerful and accessible than ChatGPT.Starting Price: $10 per user per month -
20
YouPro
You.com
With YouPro, experience the freedom of unlimited access to cutting-edge AI models. You can search, code, write, and create images all in one place. Experience conversational web searches with more accurate and comprehensive results. AI advanced reasoning provides more insightful and reliable research. With access to our powerful AI art generator, you can create unlimited, vibrant images for emails, website copy, printed materials, and more. All copyright-free and royalty-free! Access to all AI models, including GPT-4o, OpenAI o1, and Claude 3.5 Sonnet. Unlimited file uploads, up to 50MB per query. Unlimited queries, including all AI models and Research and Custom Agents.Starting Price: $20/month -
21
Alpha Inquire
Alpha Inquire
AlphaInquire is a personal AI-powered research assistant that automates the process of gathering and summarizing information on topics of interest. Scanning various data sources, including websites, RSS feeds, Google News, and arXiv, delivers daily summaries directly to your inbox, allowing you to stay informed without the need for manual research. Users can customize AI agents through an intuitive interface, specifying topics and preferred sources for focused information gathering. The platform integrates with popular news outlets like Google, arXiv, Hacker News, and Financial Markets News, ensuring comprehensive coverage of relevant content. Additionally, AlphaInquire offers API access for advanced users seeking deeper integration with their workflows. Developed by Aster, a team passionate about generative AI and the future of work, AlphaInquire aims to streamline research processes, saving time and providing tailored information summaries.Starting Price: $19.99 per month -
22
Emergence Orchestrator
Emergence
Emergence Orchestrator is an autonomous meta-agent designed to coordinate and manage interactions between AI agents across enterprise systems. It enables multiple autonomous agents to work together seamlessly, handling sophisticated workflows that span modern and legacy software platforms. The Orchestrator empowers enterprises to manage and coordinate multiple autonomous agents at runtime across various domains, facilitating use cases such as supply chain management, quality assurance testing, research analysis, and travel planning. It handles tasks like workflow planning, compliance, data security, and system integrations, freeing teams to focus on strategic priorities. Key features include dynamic workflow planning, optimal task delegation, agent-to-agent communication, an agent registry cataloging various agents, a skills library for task-specific capabilities, and customizable compliance policies. -
23
Airia
Airia
Airia’s enterprise AI orchestration platform seamlessly integrates with existing systems and data sources, offering a no-code agent builder for rapid prototyping, pre-built connectors for unified data integration, intelligent AI operations that optimize performance and costs through smart routing and centralized lifecycle management, and enterprise-grade security and governance with detailed audit capabilities and responsible AI guardrails. Model-agnostic and vendor-neutral, it supports flexible deployment across shared or dedicated cloud, private cloud, and on-premises environments, enabling both technical and business users to build, deploy, and manage secure AI agents at scale without complex installation or migration. Its intuitive interface and unified platform transform workflows across functions, from engineering and IT to finance, legal, marketing, sales, and support, so organizations can accelerate AI initiatives with confidence and compliance.Starting Price: $49 per month -
24
Dify
Dify
Dify is an open-source platform designed to streamline the development and operation of generative AI applications. It offers a comprehensive suite of tools, including an intuitive orchestration studio for visual workflow design, a Prompt IDE for prompt testing and refinement, and enterprise-level LLMOps capabilities for monitoring and optimizing large language models. Dify supports integration with various LLMs, such as OpenAI's GPT series and open-source models like Llama, providing flexibility for developers to select models that best fit their needs. Additionally, its Backend-as-a-Service (BaaS) features enable seamless incorporation of AI functionalities into existing enterprise systems, facilitating the creation of AI-powered chatbots, document summarization tools, and virtual assistants. -
25
Credal
Credal
Credal is the safest way to leverage AI at your enterprise. Our APIs, chat UI, and Slackbot automatically mask, redact or warn users about sensitive data, based on policies set by IT. Users get the most powerful AI apps like GPT-4-32k (the private and most powerful version of ChatGPT-4), Claude and others, whilst the Enterprise can control usage with confidence that data is secured and Audit Logged. Credal integrates with enterprise data sources like Google Drive, Confluence, and Slack so employees can seamlessly use AI with their existing knowledge assets whilst respecting source system permissions and masking sensitive data.Starting Price: $500 per month -
26
Cognosys
Cognosys
Cognosys works by generating a set of tasks to accomplish a goal. It can be used to write code, create files, find trends, and more. It can also be used to automate repetitive tasks by scheduling assistants to run at a later time. An assistant is a collection of tasks that are generated to accomplish a goal. It can be used to write code, create files, find trends, and more. It can also be used to automate repetitive tasks by scheduling assistants to run at a later time.Starting Price: $15 per month -
27
botx
botx
Easily train intelligent AI agents with your data. Let them recognize and react to users' intent, trigger internal tools, or launch scripted dialogs with forms. Remove manual work and automate repeating activities with the power of LLMs such as responding, filling out forms and data, and so on. Let AI process your documents, create and draft new ones, grab important information, make evaluations, or make analyses with dozens of ready-to-use templates and examples. Pull in data through one of our 15 integrations, process it with best-suited models, or design scripted conversations to make sure you stay on track when most crucial. Build scripted dialogs that stay always the same. Effortlessly connect your models for a clear and intuitive visual representation. Create no code LLM chatbots, AI agents, workflows, or automation. Seamlessly integrate GPT-4 and a myriad of other robust 3rd party and open-source models with effortless ease. -
28
Synthflow
Synthflow.ai
Easily create AI voice assistants to make outbound calls, answer inbound calls, and schedule appointments 24/7 - no coding required! Forget lengthy development cycles and expensive machine learning teams. With Synthflow you can build sophisticated, tailored AI agents without technical skills or coding - just bring your data and ideas. Over a dozen specialized AI agents are ready to use for question answering, document search, process automation, and more. Choose an agent as-is or customize it to suit your needs. Upload data instantly from PDFs, CSVs, PPTs, URLs and more. Your agent gets smarter with every new piece of data. No caps on storage or computing resources. Store unlimited vector data in your dedicated Pinecone environment. Gain full control and transparency over how your agent learns and improves. Give your AI agent superpowers by connecting it to any data source or service.Starting Price: €25 per month
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