Best Free AI Agent Tools in 2026

These ai agent tools offer free plans or free tiers so you can get started without paying. Ranked by quality and features.

12 free tools found

1
Openclaw
Free Plan
★★★★½ 4.5/5Free (open source)
Most popular open-source AI agent. Personal assistant that manages email, calendar, and tasks via WhatsApp/Telegram.
Autonomous task execution via WhatsApp/TelegramVoice and text interactionEmail and calendar managementWeb browsing and research+2 more
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2
Zapier Ai
Free Plan
★★★★½ 4.5/5Free / from $20/mo
AI-powered workflow automation. Connect 6000+ apps with natural language commands and AI actions.
Natural language workflow creation without coding6000+ app integrations including CRMs, email, and databasesAI-powered actions for data transformation and content generationMulti-step Zaps with conditional logic and branching+1 more
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3
Manus
Free Plan
★★★★ 4/5Invite-only / Free beta
Autonomous AI agent from China that went viral. Browses the web, writes code, and completes complex tasks end-to-end.
Fully autonomous task execution with web browsing capabilityWrites and runs code to complete complex workflowsCreates documents, spreadsheets, and presentations autonomouslyMulti-step reasoning with self-correction and retry logic+1 more
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4
Autogpt
Free Plan
★★★★ 4/5Free (open source)
Autonomous AI agent that breaks down goals into tasks and executes them independently. Pioneer of AI agents.
Autonomous goal decomposition into executable sub-tasksInternet browsing and information gathering capabilitiesFile read/write and code execution in sandboxed environmentLong-term and short-term memory management+1 more
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5
Make
Free Plan
★★★★ 4/5Free / from $9/mo
Visual AI automation platform. Build complex workflows with drag-and-drop and AI-powered scenarios.
Visual drag-and-drop workflow builder with 1500+ app integrationsAI-powered scenario creation from natural language descriptionsConditional logic, routers, and error handling built inReal-time execution monitoring and logging+1 more
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6
N8n
Free Plan
★★★★ 4/5Free (self-host) / from $20/mo
Open-source workflow automation with AI agents. Self-host or cloud. 400+ integrations.
Visual workflow builder with 400+ app integrationsSelf-hostable open-source with full data controlBuilt-in AI agent nodes for LLM-powered automationsCustom code nodes support JavaScript and Python+1 more
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7
Crewai
Free Plan
★★★★ 4/5Free (open source) / Cloud pricing
Multi-agent AI framework. Build teams of AI agents that collaborate to complete complex tasks.
Multi-agent orchestration frameworkRole-based AI agent design with goals and backstoriesBuilt-in tool integration for agentsSequential and hierarchical task execution+1 more
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8
Langchain
Free Plan
★★★★ 4/5Free (open source) / Cloud pricing
Framework for building AI agent applications. Chain LLMs with tools, memory, and retrieval.
Modular framework for chaining LLMs with tools and data sourcesBuilt-in support for retrieval-augmented generation (RAG)Agent architecture with planning, memory, and tool-use capabilitiesIntegrations with 100+ LLM providers, databases, and APIs+1 more
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9
Relevance Ai
Free Plan
★★★½ 3.5/5Free / from $19/mo
No-code AI agent builder. Create custom AI workers that automate sales, support, and research.
No-code builder for custom AI agents and workflowsPre-built templates for sales, support, and research automationTool and API integration to connect agents with external servicesMulti-step agent chains for complex business processes+1 more
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10
Botpress
Free Plan
★★★½ 3.5/5Free / from $5/mo
AI chatbot and agent builder. Build conversational AI for customer support and internal tools.
Visual drag-and-drop conversation flow builderBuilt-in NLU engine with intent recognition and entity extractionMulti-channel deployment (web, WhatsApp, Messenger, Slack)Knowledge base integration for RAG-powered responses+1 more
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11
Voiceflow
Free Plan
★★★½ 3.5/5Free / from $50/mo
AI agent builder for customer experience. Design, prototype, and deploy conversational AI.
Visual canvas for designing complex conversation flowsKnowledge base integration for AI-grounded responsesMulti-channel deployment including web, voice, and messagingCollaboration tools for team-based agent development+1 more
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12
Stack Ai
Free Plan
★★★ 3/5Free / from $199/mo
Enterprise AI agent builder. No-code platform to build, test, and deploy AI workflows.
No-code AI workflow and agent builderPre-built templates for common enterprise use casesIntegration with LLMs including GPT-4 and ClaudeData source connectors for documents and databases+1 more
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