Free AI Tools (2026) 151
151 free AI agents you can try today, including n8n, AutoGPT, Firecrawl. No credit card required.
Reviewed by AgentsIndex · Updated Aug 20, 2026
Looking for open-source specifically? See /open-source.
Editor's picks
How we define free: tool has a Free tier on its pricing page, or is open source and can be self-hosted at no cost. Time-limited trials are not included. Last updated: August 20, 2026.
The 40 most-used, ranked by adoption. 151 tools in the index publish a free tier — browse them all in the directory.
N8n automates workflows with visual builders, custom API connections, and self-hosting. Plans start at $20/mo.
AutoGPT automates digital workflows with continuous agents and low-code workflows. Free $0; Pro custom.
Basic tier includes basic features, Community support.
Dify builds AI apps with drag-and-drop workflows, RAG, and native MCP integration. Plans start with Sandbox free and Professional at $59/month.
Browser Use turns natural-language instructions into browser actions with JSON, CSV, and webhook outputs. Plans start at Free $0/mo.
Basic tier includes access to basic features, Community support.
Basic tier includes basic features, Community support.
Free forever tier tier includes core framework, Unlimited local use, Self-hostable with user-provided LLM API keys.
Free (Individual Developers) tier includes vS Code Extension, CLI, Secure Client-Side Architecture.
CrewAI orchestrates AI agents with visual workflows, tracing, and a REST API. Pro Plan is $99/month; Enterprise is custom.
Open Source tier includes unified API for 100+ LLM providers, virtual key management, budget tracking.
Goose Free tier includes basic features, Community support.
LlamaIndex turns PDFs, scans, and forms into structured data with OCR and extraction. Plans run Free, Starter Custom, Pro Custom, and Enterprise Custom.
Free forever tier tier includes full vector database capabilities, Billion-scale search, Tiered storage.
Free tier includes build multi-agent systems, Run agent systems using the AgentOS, Control Plane for local AgentOS.
LangGraph builds reliable AI agents with Observability and Evaluation, starting Free and scaling to Pro at $99/month.
Qdrant is a vector database with hybrid search, metadata filtering, and OpenAPI v3 clients. Plans include Free Tier and usage-based Standard Tier.
Hobby tier includes everything in base offering (traces, observations, scores tracking), 30 days data retention, 2 users.
Cognee turns scattered data into agent memory with Ingest, Reason, and Act. Plans start Free, with Developer at $35/month.
Composio connects AI agents to 1,000+ apps with OAuth-based tool calls. Plans start at $0/month.
Starter tier includes 10 databases, 10 team members, Community Slack.
Standard tier includes basic features, Community support.
Platform Starter tier includes unlimited users, Unlimited deployments, Studio.
Promptfoo automates AI security testing with red teaming, guardrails, and code scanning. Community is Free Forever; Enterprise and On-Premise are custom.
Free tier includes limited agents and requests (specifics viewable in account dashboard).
Activepieces builds AI automations with 705+ integrations, AI agents, and governance controls. Standard is free; Unlimited is custom.
Skyvern automates browser workflows with CAPTCHA support, 2FA, and data extraction. Plans start at Free $0/month and go to Enterprise custom.
Free Tier tier includes basic access to pgvector features.
Basic tier includes basic features, Community support.
Google ADK builds and runs production agents with graph-based workflows, Components, and a Visual Builder. Google Cloud is a named user.
Basic tier includes basic features, Community support.
Basic tier includes basic features, Community support.
Starter tier includes basic features, Community support.
Starter tier includes basic integrations, Email support, Community access.
Basic tier includes access to basic features, Community support.
Pay-as-you-go tier includes visual building studio, free monthly AI credit ($5), technical support via live chat.
E2B runs isolated cloud sandboxes for AI agents, with Deep Research Agents, Computer Use Agents, and Secure MCPs. Plans start free.
Build tier includes basic access to AI voice/video agents, WebRTC, agent sessions.
Phoenix tier includes trace spans (user managed), Ingestion volume (user managed), Projects (user managed).
Basic tier includes access to basic features, Community support.
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