Best AI Agent Builders

Best AI Agent Builders compared

Pricing is the vendor's published starting figure. A free plan or trial is listed only when the pricing page says so. User comments appear only when we could link a short quote. Otherwise the cell says there are no sourced comments.

Ranked list

Ranked on fit for this job, autonomy, controls, integrations, access, and how public the product is. Open a score to see the six parts.

Pricing, features, and summaries

1. 1

   Lindy

   Teams that want a shared AI teammate in Slack and email

   Lindy's homepage says it plugs into your tools, learns how you work, and completes tasks such as reports, CRM updates, and inbox cleanup. It lists Slack, iMessage, and email as places to work, plus 1,000+ integrations and MCP.

   Pricing

   From $29.99/user/mo

   The homepage at https://www.lindy.ai says you start with $50 in free credits and no credit card. After that, plans start at $29.99 per user per month for 3,000 credits each, credits are pooled, and top-ups are $10 per 1,000 credits. It names Pro, Max, and Enterprise above that entry price but does not list Pro or Max dollar amounts on the homepage text. Enterprise adds HIPAA, a BAA, SSO, and SCIM. Last checked 5 October 2026.

   Key features

   Slack, Gmail, Notion, HubSpot, Google Drive, Google Calendar, iMessage, Calendar. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Lindy pricing and features/Lindy alternatives

2. 2

   Gumloop

   Teams building shared agents on Slack, Gmail, and CRM tools

   Gumloop's site says anyone at a company can build agents with any model and integration while IT controls access. Agents connect to company apps, run on triggers, use skills, and can produce documents, dashboards, and web apps.

   Pricing

   From $37/mo

   gumloop.com/pricing did not list dollar amounts. The credits documentation says Pro is $37/month with 20,000 credits, and Enterprise is custom with rollover. One credit is $0.005. New accounts get a 14-day Pro trial that requires a card and converts to paid unless cancelled. The docs say there is no free plan. Pro overage defaults to a cap of 1,000,000 credits ($5,000) per period. Last checked 5 October 2026.

   Key features

   Slack, Gmail, Salesforce, HubSpot, Notion, Linear, GitHub, Google Sheets. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Gumloop pricing and features/Gumloop alternatives

3. 3

   n8n

   Technical teams who want self-hosted or cloud workflows with AI steps

   n8n's homepage says you build AI agents and workflows visually, with JavaScript or Python in the same canvas, and can self-host or use n8n Cloud. It says every step of an agent's reasoning is visible and that human approval can sit on tool calls.

   Pricing

   €20/mo billed annually

   Cloud Starter is €20/month billed annually and includes 2,500 workflow executions, unlimited steps, 5 concurrent executions, and 1,600 Assistant credits. Pro is €50/month billed annually with 10,000 executions. Business is €667/month billed annually with 40,000 executions. Enterprise is custom. Execution counts were on https://n8n.io/saas/ next to those prices. A cloud trial needs no credit card and includes 1,000 executions. Annual billing saves 17 percent. Last checked 5 October 2026.

   Key features

   500+ app nodes, MCP, Webhooks, Docker, GitHub, LangSmith. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   n8n pricing and features/n8n alternatives

4. 4

   Dify

   A builder you can self-host

   Dify's cloud Sandbox is free. Professional is $59 per workspace each month. The community edition is self-hosted and free. It belongs next to n8n and Lindy if the job is building the agent, not buying a finished one.

   Pricing

   Free, then $59/workspace/mo

   dify.ai/pricing lists Sandbox as free (200 message credits, 1 member, 5 apps) and Professional at $59 per workspace per month (5,000 credits, 3 members, 50 apps). Team is $159 per workspace per month. Annual billing saves about 17%. The community self-hosted edition is free. Enterprise is custom. Last checked 5 October 2026.

   Key features

   OpenAI, Claude, Gemini, Grok. You design the workflow. The agent runs the steps you allowed.

   Dify pricing and features/Dify alternatives

5. 5

   Zapier Agents

   Teams that already automate work in Zapier and want an AI teammate on those apps

   Zapier's Agents page says you create teammates that use company knowledge and do work across 9,000+ apps, on command or on a schedule. Example agents on the page enrich leads, answer an IT Slack channel, and draft support email.

   Pricing

   Free, then about $33.33/mo

   https://help.zapier.com/hc/en-us/articles/26559132765325-How-is-Zapier-Agents-usage-measured lists Free at 400 activities per month, Pro at 1,500, and Enterprise as custom. The Agents section of https://zapier.com/pricing says Pro starts at about $33.33 per month when billed annually and that activities are billed separately from Zap tasks. Last checked 5 October 2026.

   Key features

   9,000+ apps, Slack, Google Docs, Chrome extension. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Zapier Agents pricing and features/Zapier Agents alternatives

6. 6

   Relevance AI

   Enterprise teams deploying specialist agents with a vendor implementation team

   Relevance AI's homepage describes Invent as a way for teams to turn expertise into agents, with an embedded deployment team and a path from assisted AI to more autonomous workforces. It says agents run on company data with access controls, audit trails, and human approval.

   Pricing

   Not published

   https://relevanceai.com/pricing shows an Enterprise plan with custom actions, custom vendor credits, unlimited agents, users, and projects, and does not list a dollar price. The card includes SSO, RBAC, audit logs, and a dedicated account manager. Last checked 5 October 2026.

   Key features

   2,000+ integrations, CRM, SSO, SAML. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Relevance AI pricing and features/Relevance AI alternatives

7. 7

   MindStudio

   Non-developers building visual AI agents for a team

   MindStudio's homepage says you design, build, and deploy AI agents in a visual builder with no coding required, and that the builder is extensible with code. It lists more than 200 AI models and more than 1,000 pre-built integrations.

   Pricing

   Free, then $20/mo

   https://www.mindstudio.ai/pricing lists Free at $0 for one agent and 1,000 runs per month, Individual at $20/month or $16/month billed yearly for unlimited agents and runs, plus usage. Business is described with SSO and self-hosting and has no dollar price on that page. Last checked 5 October 2026.

   Key features

   200+ AI models, 1,000+ integrations, Slack. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   MindStudio pricing and features/MindStudio alternatives

8. 8

   Microsoft Copilot Studio

   Organizations building governed agents on Microsoft 365 and Azure

   Microsoft's page says Copilot Studio is a no-code platform for custom agents, workflows, and apps, with connectors, MCP servers, and multi-agent orchestration. Agents can answer questions, take actions, or plan and escalate on their own, and can be published to Microsoft 365 Copilot, Teams, and websites.

   Pricing

   From $200/pack/mo

   The Copilot Studio page says credit packs of 25,000 Copilot Credits are $200.00 per pack per month, and that a pay-as-you-go meter bills consumed credits with no upfront license. It also says an Azure subscription is required to use agents. Last checked 5 October 2026.

   Key features

   Microsoft 365 Copilot, Teams, SharePoint, 1,500+ data connectors, MCP, Azure AI Foundry. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Microsoft Copilot Studio pricing and features/Microsoft Copilot Studio alternatives

9. 9

   Stack AI

   IT teams that need governed enterprise agents and a custom contract

   Stack AI's homepage says IT teams use it to orchestrate, deploy, govern, and scale agents, including on a VPC or on premises. The page lists agentic workflows, human review, audit logs, and more than 300 enterprise integrations.

   Pricing

   Free, then custom

   https://www.stack-ai.com/pricing lists a Free plan at $0 with 500 runs per month, 2 projects, and 1 seat. Enterprise is Custom, with a custom number of runs and seats, plus SSO, on-prem, and VPC deployment. Last checked 5 October 2026.

   Key features

   Salesforce, Asana, Google Drive, Notion, Slack, REST API. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Stack AI pricing and features/Stack AI alternatives

10. 10

    Google Agent Builder

    Developers building enterprise agents on Google Cloud

    Google Cloud's page now titles this product Gemini Enterprise Agent Platform and says developers use it to build, scale, govern, and optimize agents. It includes Agent Studio, the Agent Development Kit, Model Garden, and notebooks connected to BigQuery.

    Pricing

    From $0.0001 per 1,000 characters

    https://cloud.google.com/products/agent-builder says you pay for tools, storage, compute, and Cloud resources used, and that new customers get up to $300 in free credits. The same page lists text, chat, and code generation starting at $0.0001 per 1,000 characters and pipelines starting at $0.03 per run. Last checked 5 October 2026.

    Key features

    Gemini, BigQuery, Model Garden, Agent Development Kit, Colab Enterprise. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

    Google Agent Builder pricing and features/Google Agent Builder alternatives

11. 11

    OpenAI AgentKit

    Developers assembling agent workflows that deploy through the OpenAI API

    OpenAI's Agent Builder docs describe a visual canvas for multi-step agent workflows that can be embedded with ChatKit or exported as Agents SDK code. Those docs say Agent Builder is being deprecated and is scheduled to shut down on November 30, 2026, while ChatKit remains available.

    Pricing

    Not published

    https://developers.openai.com/api/docs/pricing does not list a subscription for AgentKit. It prices AgentKit ChatKit file and image upload storage at $0.10 per GB-day after 1 GB free per account per month, and says tokens for built-in tools are billed at the chosen model's rates. Last checked 5 October 2026.

    Key features

    ChatKit, Agents SDK, OpenAI API. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

    OpenAI AgentKit pricing and features/OpenAI AgentKit alternatives

Related categories

Nearby jobs have their own lists. Open one when this page is only part of the work.

• Best AI Workflow Automation
• Best AI Coding Agents
• Best AI Voice Agents

FAQ

Every product is scored out of 100 on the same six parts. Rank follows the total, then job fit, then name. The parts are shown on each row. Read the full method.