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Best AI Agent Builders in 2026

Build agents and workflows around the tasks you want to automate, then compare the controls and capabilities each builder lists. App connectors and included agents indicate what can be brought into a workflow; scheduled runs and run limits help you assess how execution is handled. Human approvals may matter when you want review points, while web browsing is relevant when tasks require online information. Microsoft Copilot, Houston, and Agentforce Vibes are among the entries to compare. Check free-plan availability and the paid-from price alongside these features to gauge which options align with your needs and budget.

  1. 1

    SmythOS

    Free plan Open source AndroidAPIiPhone+5

    SmythOS brings agent building, integrations, and multiple deployment routes together, with a free plan and paid plans from $39/user/mo.

    8.6 Free plan · paid from $39/user/mo Visit site
  2. 2

    Dust

    Free plan APIExtensionWeb

    Dust combines agent creation, company connectors, collaboration, and scheduled workflows, with a free tier and paid annual-billed plans.

    7.4 Free plan · paid from €24/user/mo (annual) Visit site
  3. 3

    Falcon Builder

    Free plan APISelf-hostedWeb

    Falcon Builder combines workflow creation, AI assistance, and deployment across several interfaces.

    7.4 Free plan · paid from $29/mo Visit site
  4. 4

    Houston

    Free plan LinuxMacWeb+1

    Houston brings connected agents, shared work, and team access controls into one workspace. The free plan is limited to three people and limited usage; Team pricing is billed per user.

    7.4 Free plan · paid from $12/user/mo (annual) · 14-day trial Visit site
  5. 5

    Bottr

    Free plan APIWeb

    Choose Bottr if your organization needs configurable agents with a broad catalog, model choices, integrations, and flexible deployment.

    7.3 Free plan Visit site
  6. 6

    Microsoft Copilot

    by Microsoft Copilot
    Free plan WebWindowsMac+2

    Copilot offers a free entry point and paid Microsoft 365 plans with different levels of AI usage and bundled apps. Compare the plan-specific usage, storage, and family access terms before subscribing.

    7.2 Free plan · paid from $9.99/mo Visit site
  7. 7

    MindStudio

    Free plan APIExtensionSelf-hosted+1

    MindStudio combines model access, agent deployment, data integrations and testing tools in one platform.

    7.2 Free plan · paid from $20/mo Visit site
  8. 8

    ELVES

    Free plan Mac

    Choose ELVES if you use Claude Code or OpenAI Codex on macOS and want to manage agent tasks in separate worktrees, inspect their diffs, and decide whether to merge.

    7.1 Free plan Visit site
  9. 9

    Kopern

    Free plan APIWeb

    Choose Kopern if its web access and plan allowances for agents, tokens, MCP endpoints, and grading runs fit your needs.

    7.1 Free plan · paid from $79/mo Visit site
  10. 10

    Frederick AI

    Free plan Web

    Frederick AI combines app building with agents that can handle browser workflows and background jobs.

    7.0 Free plan · paid from $25/mo Visit site
  11. 11

    LangChain

    Free plan APISelf-hosted

    Choose LangChain to build agents around models and tools using its configurable harness, middleware, and wide range of integrations.

    7.0 Free plan Visit site
  12. 12

    Lindy

    by Lindy
    Free plan ExtensionWeb

    Choose Lindy if you want an AI teammate to connect work tools and handle recurring tasks through workflows, routines, and skills.

    7.0 From $29.99/user/mo · 7-day trial Visit site
  13. 13

    StackAI

    Free plan APIExtensionSelf-hosted+1

    Choose StackAI if you want a visual way to build AI workflows for back-office processes, with multiple export formats, integrations and deployment choices.

    7.0 Free plan · pricing on request Visit site
  14. 14

    Workato Agent Studio

    by Workato Agent Studio
    Free plan APIiPhoneLinux+3

    Agent Studio offers configurable Genies, workflow actions, and security controls, with a free plan and a monthly Pro plan.

    6.9 Free plan · paid from $75/mo Visit site
  15. 15

    Relevance AI

    Free plan Web

    Relevance AI offers workflow-building tools, model access, integrations, and security controls, with plan limits varying by tier.

    6.7 Free plan · paid from $19/mo (annual) Visit site
  16. 16

    SEPIA

    Free plan AndroidiPhoneLinux+4

    Choose SEPIA if you want a free, open-source assistant with customizable services and control over self-hosted data.

    6.7 Free plan Visit site
  17. 17

    Wordware

    Free plan iPhoneWeb

    Sauna combines team context with reviewed or enabled autonomous actions, while Wordware also documents its earlier prompt editor. Check which product details and plan fit your intended use.

    6.6 Free plan Visit site
  18. 18

    augLab

    Free trial APIWeb

    augLab combines no-code agent building, workflow automation, broad model access, and business integrations. Its paid plans and usage limits should be reviewed against your expected runs and team size.

    6.3 Pricing on request Visit site
  19. 19

    Meya

    Free trial AndroidAPIiPhone+1

    Meya combines no-code bot creation, Python extensibility, visual chat components, integrations, and operational support. Its plan-specific app and usage limits should be checked before deployment.

    6.2 From $99/mo · 14-day trial Visit site
  20. 20

    Kore.ai

    by Kore.ai
    Free trial APISelf-hostedWeb

    Kore.ai brings agent authoring, workflow automation, deployment, and evaluation into one platform. Pricing requires a request, and the listed trial lasts 14 days.

    6.1 Pricing on request · 14-day trial Visit site
  21. 21

    Aisera AI Agent Studio

    Paid APISelf-hostedWeb

    Choose Aisera AI Agent Studio if your organization needs a configurable way to build, govern, and connect enterprise agents across systems.

    6.0 Pricing on request Visit site
  22. 22

    Gumloop

    by Gumloop
    Free trial APIWeb

    Gumloop combines no-code agent creation with team collaboration, many integrations, and developer tools.

    6.0 From $37/mo · 14-day trial Visit site
  23. 23

    Druid AI Agent Builder

    by Druid AI Agent Builder
    Paid APISelf-hostedWeb

    Druid AI Agent Builder combines visual agent design with engineering controls, testing, integrations, and multiple deployment models.

    5.9 Pricing on request Visit site
  24. 24

    Salesforce Agentforce

    by Salesforce
    Free plan Web
    5.9 Free plan · paid from $2 Visit site
  25. 25

    Forge by Focaloid

    Paid APISelf-hostedWeb

    Forge combines visual workflow design with code-based definitions, conditional human review, and governance controls. Ask Focaloid for pricing and details of an engagement.

    5.8 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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