Best AI Agent Builders - Page 4
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Compare the Top AI Agent Builders as of November 2026 - Page 4
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1
AgentOps
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 -
2
Semantic Kernel
Microsoft
Semantic Kernel is a lightweight, open-source development kit that lets you easily build AI agents and integrate the latest AI models into your C#, Python, or Java codebase. It serves as an efficient middleware that enables rapid delivery of enterprise-grade solutions. Microsoft and other Fortune 500 companies are already leveraging Semantic Kernel because it’s flexible, modular, and observable. Backed with security-enhancing capabilities like telemetry support, hooks, and filters you’ll feel confident you’re delivering responsible AI solutions at scale. Version 1.0+ support across C#, Python, and Java means it’s reliable, and committed to nonbreaking changes. Any existing chat-based APIs are easily expanded to support additional modalities like voice and video. Semantic Kernel was designed to be future-proof, easily connecting your code to the latest AI models evolving with the technology as it advances.Starting Price: Free -
3
Epsilla
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 -
4
Letta
Letta
Create, deploy, and manage your agents at scale with Letta. Build production applications backed by agent microservices with REST APIs. Letta adds memory to your LLM services to give them advanced reasoning capabilities and transparent long-term memory (powered by MemGPT). We believe that programming agents start with programming memory. Built by the researchers behind MemGPT, introduces self-managed memory for LLMs. Expose the entire sequence of tool calls, reasoning, and decisions that explain agent outputs, right from Letta's Agent Development Environment (ADE). Most systems are built on frameworks that stop at prototyping. Letta' is built by systems engineers for production at scale so the agents you create can increase in utility over time. Interrogate the system, debug your agents, and fine-tune their outputs, all without succumbing to black box services built by Closed AI megacorps.Starting Price: Free -
5
Inferable
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 -
6
Diaflow
Diaflow
Diaflow is an enterprise platform for scaling AI across your organization by enabling everyone to deploy AI workflows that drive innovation. From manual processes to fully automated ones, create powerful apps and workflows from any data source across your teams. Effortlessly automate your business’s manual processes with solutions your team will love. Build powerful AI-driven internal apps that you are proud of with Diaflow's intuitive interfaces and components. An innovative way for document creation and edition with Diaflow AI-powered editing tool. Leveraging your expertise, to provide 24/7 support and engagement. Easily manage and transform your data with a built-in AI-enabled spreadsheet solution. Discover how easy it is to use Diaflow to build amazing products for your company. Diaflow provides all you need to create apps and workflows in minutes with no coding required.Starting Price: $199 per month -
7
SuperAGI SuperSales
SuperAGI
SuperSales is all in one AI Sales Platform to grow your revenue, without the hassle of hiring large sales team. SuperSales agents plan & prioritize your sales activity, research & engage with your prospects, monitor the health of deals, update your CRM, etc. Consolidate all your fragmented GTM tech stack across categories like lead data, sales engagement, dialer, meeting bookings, CRM, etc. with one powerful platform. SuperSales enables your sales reps and AI agents to collaboratively drive sales engagement, building qualified pipeline that converts to revenue. Living lead database of more than 275+ million contacts and 75+ million companies continuously collected, curated, updated, and verified by AI agents. SuperSales reimagines CRM for an AI-native world by unifying system of record & system of action powered by AI agents for your customer data.Starting Price: $75/month -
8
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 -
9
SmythOS
SmythOS
Say goodbye to manual coding and build agents faster than ever. Describe what you need, and SmythOS builds it from your chat or image, using the best AI models and APIs for your task. Use any AI model or API. Integrate with OpenAI, Hugging Face, Amazon Bedrock, and hundreds of vendors without a line of code. A pre-built agent template library gives you agents that already work out of the box for dozens of use cases. Just hit the button and connect with your own API keys. Because your marketing team should not have access to agents that work with your code. We got you covered. Create a space for each client, team, and project with full user and permission management. Deploy on-prem or to AWS. Integrate with Bedrock, Vertex, Adobe, Salesforce, etc. Explainable AI with full control over data flows, audit logs, encryption, and auth. Chat with your agents, give them bulk work, inspect their work logs, assign them work schedules, and more.Starting Price: $30 per month -
10
Gista
Gista
Gista is an AI conversion agent designed to enhance website engagement by transforming visitors into leads around the clock. By integrating knowledge about your products and services, Gista offers value propositions, builds email lists, and more. Setting up is straightforward: upload your business information in formats like PDF or CSV, and Gista will assimilate the data effortlessly. You can configure the AI agent with specific instructions, adjusting its tone to be friendly or corporate, and it supports communication in 80 languages, catering to a global audience. The sleek, translucent chatbot widget seamlessly aligns with your brand aesthetics, including compatibility with dark mode. Gista also integrates with popular platforms, ensuring a cohesive user experience.Starting Price: $19 per month -
11
Scout
Scout
Scout is a comprehensive platform that enables users to build, launch, and scale AI solutions efficiently. It offers a workflow builder for creating AI automations using models, web scraping, data storage, API calls, and customized logic. Users can set up automated content ingestion from various sources, including websites and documentation, and connect multiple large language models within a single workflow to find optimal solutions. Deployment options include Copilots for delivering AI-generated answers directly on websites, Slack integration for customer interactions, and APIs and SDKs for building custom AI applications at scale. Scout provides comprehensive testing and tuning features, including evaluations, real-time monitoring, and built-in logging to oversee workflow status, latency, and costs. The platform is trusted by teams building the future.Starting Price: $49 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
Weave
Chasm
Weave is a no-code AI workflow builder that enables users to automate tasks by implementing multiple Large Language Models (LLMs) and connecting prompts without the need for coding. With an intuitive interface, users can select templates, personalize them, and transform workflows into automated solutions. Weave supports various AI models, including those from OpenAI, Meta, Hugging Face, and Mistral AI, allowing for seamless integration and fine-tuning to achieve industry-specific results. Key features include intuitive dataflow management, app-ready APIs for easy integration, AI hosting, cost-effective AI models, effortless personalization, and user-friendly modules. Weave is ideal for applications such as generating character dialogue and backstories, developing intelligent chatbots, and automating written content.Starting Price: $10 -
14
PydanticAI
Pydantic
PydanticAI is a Python-based agent framework designed to simplify the development of production-grade applications using generative AI. Built by the team behind Pydantic, the framework integrates seamlessly with popular AI models such as OpenAI, Anthropic, Gemini, and others. It offers type-safe design, real-time debugging, and performance monitoring through Pydantic Logfire. PydanticAI also provides structured responses by leveraging Pydantic to validate model outputs, ensuring consistency. The framework includes a dependency injection system to support iterative development and testing, as well as the ability to stream LLM outputs for rapid validation. It is ideal for AI-driven projects that require flexible and efficient agent composition using standard Python best practices. We built PydanticAI with one simple aim: to bring that FastAPI feeling to GenAI app development.Starting Price: Free -
15
TIXAE AGENTS.ai
TIXAE AGENTS.ai
TIXAE Agents.ai is a platform designed to simplify the creation, deployment, and management of AI-powered voice and text agents. It offers tools for building customizable agents, importing data from sources like PDFs and URLs, and deploying across channels such as WhatsApp, Discord, and Instagram. The platform includes real-time analytics, live handoff features, and white-label branding options, making it suitable for both developers and non-technical users. Create and customize an agent for yourself or your client. Organize and control the data your agent will use. Use our scrape tools to pull data from URLs, upload PDFs, or link other relevant documents. Refine your agent by adjusting the prompts to improve responses. Run AB testing to find the best version. Launch your voice and text agents on popular platforms such as WhatsApp, Discord, Instagram, Facebook, Meta, and more in just seconds. With TIXAE AGENTS.ai, your agents will be wherever your users are.Starting Price: $29 per month -
16
LaVague
LaVague
LaVague is an open source framework designed to empower developers to build and deploy AI-driven web agents with minimal code. By leveraging Large Action Models (LAMs), LaVague enables the automation of complex web-based tasks through natural language instructions. Developers can create agents capable of navigating websites, extracting information, and performing actions by specifying objectives in plain language. The framework supports various drivers, including Selenium and Playwright, and offers customizable configurations to suit diverse use cases. Additionally, LaVague provides specialized tools for quality assurance engineers, such as LaVague QA, which automates test writing by converting Gherkin specifications into executable tests. The platform emphasizes customization, privacy, and performance, allowing agents to utilize local models and integrate seamlessly with existing systems.Starting Price: Free -
17
LiveKit
LiveKit
LiveKit is a real-time platform that enables developers to build video, voice, and data capabilities into their applications. Building on WebRTC, it supports a broad range of frontend and backend platforms. LiveKit's network is optimized for ultra-low latency, extreme resiliency, and massive scale. Our team is distributed across the world, and our infrastructure delivers billions of minutes of audio and video every month. LiveKit provides SDK support across all major platforms, allowing you to code your application with a LiveKit client natively designed for your platform of choice. You can self-host LiveKit for free without changing a line of code, as the entire ecosystem of tools and services is Apache 2.0 open source. LiveKit offers a feature-rich platform, including SSO and RBAC for teams, enterprise-grade security with end-to-end encryption, noise and echo cancellation, session recording, stream ingestion, and moderation tools.Starting Price: $50 per month -
18
SimplAI
SimplAI
SimplAI is a platform designed to help businesses build secure, scalable, and reliable Agentic AI applications quickly. It enables the creation of AI agents, chatbots, virtual assistants, and workflow automation tools to streamline operations and enhance productivity. SimplAI provides tools for AI chains, process automation, and conversational AI, making it easier for enterprises to implement AI-driven solutions. The platform accelerates the development process, allowing businesses to go from proof of concept to production in just a few weeks. It supports a variety of industries, including financial services, healthcare, telecom, and more, with a focus on responsible AI and integration flexibility.Starting Price: $99/month -
19
scalerX.ai
scalerX.ai
Launch & train your own personalized AI-RAG agents on Telegram. With scalerX you can create personalized RAG AI-powered agents trained with your knowledge base in minutes, no code required. These AI agents are integrated directly into Telegram, including groups and channels. Awesome for education, sales, customer service, entertainment, automating community moderation and engagement. Agents can behave as chatbots in solo, groups and channels, support text-to-text, text-to-image, voice. You can set agent usage quotas and permissions using ACLs so only authorized users can access your agents. Training your agents is easy: create your agent and upload files to your bots knowledge base, auto-sync from Dropbox, Google Drive or scrape web pages.Starting Price: $5/month -
20
Vogent
Vogent
Vogent is an all-in-one platform for building humanlike, intelligent, and effective voice agents. It offers a highly authentic, low-latency live voice AI capable of making phone calls up to one hour long and executing follow-up tasks. Vogent automates calls in industries such as healthcare, construction, logistics, and travel. The platform provides a custom end-to-end pipeline for transcription, reasoning, and speech, resulting in extremely low latency and humanlike conversations. Vogent's in-house language models have been trained on millions of phone conversations across hundreds of different task types, performing as well as human agents when prompted or fine-tuned with minimal examples. Developers can dispatch thousands of calls with a few lines of code and automate downstream workflows based on outcomes. The platform supports REST and GraphQL APIs, and offers a no-code dashboard for creating agents, uploading knowledge bases, tracking dials, and exporting transcripts.Starting Price: 9¢ per minute -
21
FastAgency
FastAgency
FastAgency is an open source framework designed to accelerate the deployment of multi-agent AI workflows from prototype to production. It provides a unified programming interface compatible with various agentic AI frameworks, enabling developers to deploy agentic workflows in both development and production settings. With features like multi-runtime support, seamless external API integration, and a command-line interface for orchestration, FastAgency simplifies the creation of scalable, production-ready architectures for serving AI workflows. Currently, it supports the AutoGen framework, with plans to extend support to CrewAI, Swarm, and LangGraph in the future. Developers can easily switch between frameworks, choosing the best one for their project's specific needs. FastAgency also features a common programming interface that enables the development of core workflows once and reuse them across various user interfaces without rewriting code.Starting Price: Free -
22
DemoGPT
Melih Ünsal
DemoGPT is an open source platform that simplifies the creation of LLM (Large Language Model) agents by providing an all-in-one toolkit. It offers tools, frameworks, prompts, and models for rapid agent development. The platform automatically generates LangChain code, which can be used for creating interactive applications with Streamlit. DemoGPT translates user instructions into functional applications through a multi-step process: planning, task creation, and code generation. It supports a streamlined approach to building AI-powered agents, offering an accessible environment for developing sophisticated, production-ready solutions with GPT-3.5-turbo. Additionally, it integrates API usage and external API interaction in future updates.Starting Price: Free -
23
potpie
potpie
Potpie is an open source platform that enables developers to create AI agents tailored to their codebases, automating tasks such as debugging, testing, system design, onboarding, code review, and documentation. By transforming your codebase into a comprehensive knowledge graph, Potpie's agents gain deep contextual understanding, allowing them to perform engineering tasks with high precision. It offers over five ready-to-use agents, including those specialized in stack trace analysis and integration test generation. Developers can also build custom agents using simple prompts, facilitating seamless integration into existing workflows. Potpie provides a user-friendly chat interface and supports a VS Code extension for direct integration into development environments. With features like multi-LLM support, developers can integrate various AI models to optimize performance and flexibility.Starting Price: $ 1 per month -
24
Lemni
Lemni
Lemni is an AI platform that enables businesses to set up custom AI agents for all customer interactions, ensuring personalized engagement as they scale. These agents can handle various tasks, including phone calls, email support, and proactive outreach, allowing companies to grow without proportionally increasing their headcount. It is designed for quick deployment, enabling users to establish AI agents in minutes without extensive technical expertise. Currently, Lemni is in the pre-launch phase, inviting interested users to join their waitlist for early access. Today’s customers expect speed, accuracy, and personalization, yet they often find themselves stuck with repetitive chatbots, form letters, and long waits before action. It’s time to bring back the personal touch, at scale. AI agents act like trained employees, ready to take action while you stay in control. With Lemni, you can design every customer interaction and make it personal.Starting Price: $0.04 per interaction -
25
Devs.ai
AppDirect
Devs.ai is an AI app and agent-building platform that helps teams create, launch, govern, and distribute business applications. The platform lets users build internal tools, customer-facing apps, superagents, knowledge systems, CRMs, IT service desks, project hubs, onboarding portals, and other business workflows from prompts. Devs.ai connects apps and agents to a marketplace of more than 2,000 products across business categories, reducing the need to manage separate integrations. IT teams can govern what gets published through policy gates, SSO, role-based access, approvals, versioning, usage analytics, and spend visibility. Companies can publish apps privately to their workforce through a Private AI Store or distribute and monetize them through marketplaces, hyperscalers, resellers, and affiliate channels.Starting Price: $15 per month -
26
OWL
CAMEL-AI
OWL (Optimized Workforce Learning) is an advanced framework designed for multi-agent collaboration in real-world task automation. Built on the CAMEL-AI platform, OWL aims to revolutionize AI agent interactions, enabling more efficient, natural, and resilient task automation across various industries. It achieves high performance, ranking #1 among open-source frameworks on the GAIA benchmark with a score of 58.18. OWL features real-time information sharing, dynamic task management, and integration with various tools and platforms, supporting collaborative AI agents in completing complex tasks.Starting Price: Free -
27
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 -
28
Agentverse
Fetch.ai
Agentverse is an intuitive platform designed for creating, testing, and deploying customizable AI agents. It offers a cloud-based integrated development environment that simplifies agent development, allowing users to build, train, and integrate agents into various systems without extensive coding knowledge. It provides pre-built agent templates and use cases, enabling quick deployment and customization to serve a variety of purposes. Agents hosted in Agentverse are registered in the Almanac, facilitating discovery and interaction within the Fetch.ai network. It also supports collaborative development through its Teams feature, allowing multiple users to work together on agent projects. Security is emphasized with containerized environments ensuring data protection and compliance with industry standards. Additionally, Agentverse offers a marketplace where users can explore and connect with other registered agents.Starting Price: Free -
29
TalkToAgent
TalkToAgent
TalkToAgent is an AI-powered platform that enables businesses to automate visitor interactions, handle inquiries, capture leads, and deliver real-time results without the need for coding. It offers uninterrupted 24/7 engagement for every visitor, providing swift and intelligent responses that surpass traditional chatbots. It ensures around-the-clock selling by managing visitors day and night, guaranteeing no leads are missed. TalkToAgent engages visitors with AI-powered responses tailored to specific industry needs, effortlessly converting them into valuable leads. Businesses can fully personalize the widget to reflect their brand, creating a cohesive and engaging customer experience. Additionally, the platform provides insightful analytics, including chat data insights like landing page performance and visitor demographics, to refine engagement strategies and drive growth.Starting Price: $49 per month -
30
Activepieces
Activepieces
Activepieces is an AI-powered, open-source, no-code automation platform designed to help teams streamline workflows and integrate AI seamlessly into everyday tasks. With over 280 pre-built automations (MCPs), Activepieces allows users to connect to popular apps, trigger processes, and even create personalized AI agents with minimal effort. The platform includes features like human input for approvals, a robust automation builder, and AI-assisted code for more advanced workflows. It empowers decentralized teams by offering tools for collaboration, governance, and security, making it suitable for organizations of all sizes, from startups to enterprises.Starting Price: $25/month
