Best AI Tools for AI Agent Building in 2026
Design, configure, and deploy automated digital assistants to handle repetitive workflows and connect multiple software applications.
Top AI Agent Building AI tool recommendations
These AI Agent Building AI tools are ranked by AI Agent Building fit score first, with free access and latest usage signals as secondary checks.
The platform is explicitly described as a next-generation AI agent development platform for building intelligent agents.
The primary core function of this platform is serving as an advanced AI agent builder.
Coze is directly described as a next-generation AI agent development platform powered by large language models.
Best Free AI Agent Building AI Tools
Start with free AI Agent Building AI tools that cover practical AI Agent Building workflows before comparing paid pricing plans.
| Tool | Fit | Free status | Pricing | Why it fits | Website |
|---|---|---|---|---|---|
| 扣子 | 100 | Free option | Free | The platform is explicitly described as a next-generation AI agent development platform for building intelligent agents. | Visit |
| MaxClaw - MiniMax OpenClaw | 100 | Free option | Free | The primary core function of this platform is serving as an advanced AI agent builder. | Visit |
| Coze | 100 | Free option | Free | Coze is directly described as a next-generation AI agent development platform powered by large language models. | Visit |
| Voiceflow ai | 100 | Free option | Free, Pro from $60/mo | Voiceflow is primarily a collaborative platform designed for product teams to build and deploy advanced AI agents. | Visit |
| SmythOS | 100 | Free option | Free, Builder from $39/seat/mo | SmythOS is explicitly designed as a no-code visual operating system for building and deploying complex AI agents. | Visit |
| SuperAGI Cloud | 100 | Free option | Free | SuperAGI is explicitly designed as an open-source framework to build, manage, and run autonomous AI agents. | Visit |
| Lamatic.ai | 100 | Free option | Free to start, contact for premium plan details | The platform is explicitly designed for building, testing, and deploying high-performance GenAI agents. | Visit |
| Cotera | 100 | Free option | Free Starter plan available, Pro and Enterprise require contacting sales | The platform primarily functions as an intuitive chat-based builder for creating autonomous AI agents. | Visit |
| Dify.AI | 98 | Free option | Free, Professional from $59/mo | Dify.AI is explicitly described as an open-source platform designed to easily build autonomous LLM agents. | Visit |
| Relay.app | 98 | Free option | Free, Professional from $19/mo (billed annually) | The platform heavily promotes creating AI agents that work for you across various applications. | Visit |
Compare pricing for AI Agent Building AI tools
Compare plan names, prices, and short pricing notes for the top AI Agent Building AI tools before opening each official website.
| Tool | Fit | Pricing plans | Website |
|---|---|---|---|
Voiceflow aiFree option | 100 | StarterFree Free to get started. Includes 100 credits (monthly) / 12k credits (annual view), single editor, 1 workspace, 50 knowledge base sources per agent, 500 table rows, 2 agents, and 1 concurrent voice call. Pro (Monthly Billing)$60 per month For individual builders. Scalable tiers of 10k, 15k, or 20k credits. Includes 1 workspace, 200 knowledge base sources per agent, 5000 table rows, up to 20 agents, and up to 5 concurrent voice calls. Pro (Annual Billing)$648 per year Equivalent to $54/month (saves 10%). Includes 120k, 180k, or 240k credits per year, 1 workspace, 200 knowledge base sources per agent, 5000 table rows, up to 20 agents, and up to 5 concurrent voice calls. Business (Monthly Billing)$150 per month For growing teams. Tiers for 30k, 50k, or 100k credits. Includes 1 workspace, 5000 knowledge base sources per agent, 1M table rows, unlimited agents, priority support, and up to 15 concurrent voice calls. Business (Annual Billing)$1620 per year Equivalent to $135/month (saves 10%). Includes 360k, 600k, or 1200k credits per year, 1 workspace, 5000 knowledge base sources per agent, 1M table rows, unlimited agents, priority support, and up to 15 concurrent voice calls. EnterpriseCustom pricing Billed annually via invoice. For scaling agents. Includes unlimited workspaces, unlimited knowledge base sources, Single-Sign-On (SSO), private cloud hosting, ISO-27001 & SOC II compliance, bring your own LLM capability, and custom SLAs. | Visit |
SmythOSFree option | 100 | Free Forever$0 For enthusiasts and open source developers building public agents. Includes $5 in free credits/mo, bring your own LLM keys, and daily Weaver AI limits. Builder$39 per seat/month For developers building private AI-powered workflows. Includes $20 in free credits/mo, 40% model usage discount, and 100 fast API calls/day. Startup$399 per month For startups building AI automations. Includes 10 team spaces / 3 seats, RAG agents, $200 in free credits/mo, and 5,000 fast API calls/day. Scaleup$1,499 per month For growing companies requiring priority support. Includes 50 team spaces / 5 seats, white labeling, $300 in free credits/mo, and 25,000 fast API calls/day. EnterpriseCustom Pricing Custom solution for full organizations. Includes unlimited seats and fast API calls, white-glove support, hands-on training, custom retention policies, and browser automation. | Visit |
CoteraFree option | 100 | Starter$0/month For individuals looking to leverage AI in their work. Includes 1 seat, 100k credits, unlimited agents, unlimited datasets, unlimited integrations, basic support, and community Slack access. ProContact for Pricing For startups and fast-moving teams looking to build agents quickly. Includes everything in Starter, plus 1 million credits, unlimited seats, use of your own data warehouse, basic permissions, and a dedicated Slack channel. EnterpriseCustom For larger companies looking to automate operations with AI. Includes everything in Pro, plus unlimited credits, use of your own AI API keys, dedicated support, training, invoice payments, and custom contracts. | Visit |
Dify.AIFree option | 98 | SandboxFree Free Trial of Core Capabilities. Includes 200 messages, support for global LLMs, 1 team workspace, 1 team member, 5 apps, 50 knowledge documents, 50MB storage, 5,000/day API rate limit, and 30 days log history. Professional$59 per workspace/month For Independent Developers/Small Teams. Includes 5,000 messages/month, 1 team workspace, 3 team members, 50 apps, 500 knowledge documents, 5GB storage, unlimited Dify API rate limit, and unlimited log history. ($49/mo if billed annually). Team$159 per workspace/month For Medium-sized Teams. Includes 10,000 messages/month, 1 team workspace, 50 team members, 200 apps, 1,000 knowledge documents, 20GB storage, unlimited Dify API rate limit, top priority processing, and unlimited log history. ($132.50/mo if billed annually). | Visit |
Relay.appFree option | 98 | Free$0 Includes 1 user, 200 automated steps per month, 500 free AI credits per month, multi-step workflows, and access to all features. ProfessionalStarts at $19 per month (billed annually) Billed at $23.75 monthly. Includes 1 user, 750 steps per month (scalable), and 5,000 free AI credits per month. TeamStarts at $69 per month (billed annually) Billed at $86.25 monthly. Includes unlimited users, 2,000 steps per month (scalable), 5,000 free AI credits per month, shared workflows, and shared connections. EnterpriseCustom Pricing Includes custom usage limits, custom integrations, dedicated Slack channel, and automation consulting. | Visit |
GumloopPaid-first | 100 | Free$0/month Includes 1,000 credits per month, 5 concurrent flow runs, 2 concurrent list steps, custom node creation, and access to the community forum. Starter$97/month Includes 30,000 credits per month (expandable), 1 seat, 5 concurrent flow runs, 5 concurrent list steps, event triggers, and custom node creation. Pro$297/month Includes 75,000 credits per month (expandable), 10 seats, 5 concurrent flow runs, 15 concurrent list steps, workspaces, and dedicated Slack support. EnterpriseCustom Includes custom credits, seats, and concurrent executions, role-based access control, SCIM/SAML, dedicated infrastructure, and 24/7 on-call support. | Visit |
LlamaIndexPaid-first | 100 | Free$0/month Includes 10K credits, pay-as-you-go is unavailable. Up to 1 user, file upload only, basic support. Starter$50/month Includes 50K credits, pay-as-you-go up to 500K credits. Up to 5 users, 5 external data sources (50 in comparison matrix), basic support. Pro$500/month Includes 500K credits, pay-as-you-go up to 5,000K credits. Up to 10 users, 25 external data sources (100 in comparison matrix), basic support. EnterpriseCustom Custom credit limits and enterprise-only features. Supports SaaS or VPC deployment, unlimited users/sources, and dedicated support. | Visit |
WriterPaid-first | 100 | Starter$29 per user / month Billed annually ($39/user if billed monthly). Kickstart AI adoption for up to 20 users with access to 100+ prebuilt agents, Ask Writer general chat, and up to 5 custom agents using a 1GB Knowledge Graph. EnterpriseCustom pricing Transform work across the entire organization. Includes unlimited custom agents, a full Knowledge Graph with 50GB+ storage, advanced data connectors, granular access permissions, full observability, and a dedicated AI implementation team. | Visit |
Latest AI Agent Building AI tool overview
Rank the best online AI tools for AI Agent Building by free access, pricing, AI Agent Building task fit score, and the practical reason each tool belongs on this page.
| Tool | Free | Starting price | Task fit score | Why it fits | Visit |
|---|---|---|---|---|---|
| NBNBULA - AI As A Service | No | Contact for Pricing | 85 | Provides a low-code flow builder and evaluation simulations to construct and test AI agents. | Visit |
| FoFoxyApps 2.0 | No | Free, Premium from $19/mo | 85 | Users can build structured, interactive AI tools and workflows by chaining multiple prompts and datasets together. | Visit |
| AIAI Superior GPT | No | Starts at €15,000 | 85 | The company actively builds tailored conversational systems and custom LLM-enabled chatbot applications for commercial clients. | Visit |
| MaMaestri | No | Free, Pro from $18.85 one-time | 85 | Allows managing and assigning custom instruction roles to configure collaborative AI coding agents. | Visit |
| FuFurther AI | No | Contact for Pricing | 85 | The platform builds a workforce of purpose-built AI agents for insurance operations. | Visit |
| VoVoiceAIWrapper | No | Free Trial, Plans from $29/mo | 85 | It enables agencies to manage, embed, and deploy conversational voice AI agents across multiple underlying engine providers. | Visit |
| OmOmnichat AI | No | Pricing is available upon custom quote request, starting with a 14-day free trial. | 80 | Users can build their own specialized custom AI agents for unique enterprise workflows. | Visit |
| AIAI Background Remover | No | Free, Basic from $10/mo | 80 | The platform includes an Agent Builder and a massive workspace consisting of over 500 expert-tuned specialized AI agents. | Visit |
| OfOfoxAI | Yes | Free, Pro plan is Pay-as-you-go | 80 | The content mentions building complex autonomous systems and asks users if they are ready to build an AI agent. | Visit |
| ReReworkd AI | No | Contact for pricing details | 80 | The solution uses autonomous AI agents to understand web pages and write operational extraction code. | Visit |
| ApApex | No | Pricing not publicly available, join the waitlist for private beta details. | 80 | It acts as an autonomous AI operating system designed to build digital twins and deploy customized agent behaviors. | Visit |
| LaLanding.ai | No | Free, Enterprise requires contacting sales | 80 | The platform includes VisionAgent, which serves as a GenAI-powered agentic coder and application builder. | Visit |
AI tool categories that work for AI Agent Building
See which AI tool categories appear most often in the strongest AI Agent Building matches.
| Category | Matching tools | Free plans | Average fit | Top tool |
|---|---|---|---|---|
| AI Agent | 231 | 73 | 92 | |
| AI Chatbot | 117 | 35 | 93 | |
| AI Assistant | 89 | 33 | 91 | |
| AI Developer Tools | 85 | 43 | 91 | |
| No-Code&Low-Code | 84 | 26 | 94 | |
| AI Workflow | 82 | 24 | 94 |
Popular tools with strong fit for AI Agent Building
Compare usage signals with fit score so popular AI Agent Building tools do not outrank better workflow matches by traffic alone.
| Tool | Traffic signal | Fit | Price | Why it belongs |
|---|---|---|---|---|
| 扣子 | 7.2M/mo | 100 | Free | The platform is explicitly described as a next-generation AI agent development platform for building intelligent agents. |
| MindStudio | 1.8M/mo | 100 | Free tier available, contact for premium and enterprise pricing details | The platform is explicitly designed as a no-code visual AI agent builder to design and deploy custom AI assistants. |
| MaxClaw - MiniMax OpenClaw | 1.1M/mo | 100 | Free | The primary core function of this platform is serving as an advanced AI agent builder. |
| Dify.AI | 1.1M/mo | 98 | Free, Professional from $59/mo | Dify.AI is explicitly described as an open-source platform designed to easily build autonomous LLM agents. |
| Gumloop | 701K/mo | 100 | Free, Starter from $97/mo | The tool is explicitly described as a no-code visual AI agent builder and AI automation framework. |
| Coze | 689K/mo | 100 | Free | Coze is directly described as a next-generation AI agent development platform powered by large language models. |
| LlamaIndex | 455K/mo | 100 | Free, Starter from $50/mo | LlamaIndex is explicitly described as a leading developer framework for orchestrating and building context-augmented AI agents. |
| Voiceflow ai | 454K/mo | 100 | Free, Pro from $60/mo | Voiceflow is primarily a collaborative platform designed for product teams to build and deploy advanced AI agents. |
AI Agent Building FAQ
Compare the latest ranked AI tools for AI Agent Building
Review top free and paid online AI-powered tools for AI Agent Building, pricing signals, and fit scores before choosing a AI Agent Building workflow.