What are AI Agents?

AI agents are autonomous systems designed to perform specific tasks by simulating intelligent behavior. They can perceive their environment, make decisions, and take actions to achieve particular goals based on their programming or learning. These agents can be rule-based, relying on pre-set instructions, or machine learning-based, adapting their behavior over time through experience. AI agents are used in various applications, from virtual assistants to self-driving cars and even decision-making systems in business. Their capabilities range from simple automation to complex problem-solving and predictive tasks. Compare and read user reviews of the best AI Agents currently available using the table below. This list is updated regularly.

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    StackAI

    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
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  • 2
    Retool

    Retool

    Retool

    Retool is an application development platform that enables developers to combine the benefits of traditional software development with a drag-and-drop UI editor and AI to build internal tools radically faster. Building in Retool fits with how you develop software today—deploy it anywhere, connect to any internal service, import your libraries, debug with your toolchain, and share it securely to users—ensuring good and well-governed software by default. Retool is used by industry leaders such as Amazon, American Express, DoorDash, OpenAI, and Mercedes Benz for mission critical custom software across operations, billing, and customer support.
    Starting Price: $10 per user per month
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