Best AI Agents Tools (2026)
13 hand-picked agents tools, compared on price and features — 11 with a free tier. Each listing covers pricing, key features, pros and cons, and the best alternatives.
Whether you want a free option to start or a paid plan with more power, this list helps you choose. 11 of these agents tools offer a free tier (Bardeen, Dust, Stack AI, Vapi, Retell AI, Make.com, Modal, Replicate, Manus, Lindy, Genspark…).
Bardeen
AI automations and a browser agent for repetitive work.
Dust
Build custom AI agents on your company's data.
Stack AI
No-code platform to build AI agents and workflows on your data.
Vapi
Developer platform to build voice AI agents (phone calls).
Retell AI
Build and deploy AI voice agents for calls.
Make.com
Visual workflow automation with 1000+ app integrations.
Zapier Central
AI-powered automation with natural language workflow creation.
Modal
Serverless GPU compute for AI applications.
Replicate
Run and fine-tune open-source AI models via API.
Devin
Autonomous AI software engineer that completes coding tasks end to end.
Manus
General autonomous AI agent that completes real-world tasks.
Lindy
Build AI agents and assistants that automate work, no code.
Genspark
AI agent that researches and builds 'sparkpages' answers.
AI Agents FAQ
What is the best agents tool?
It depends on your needs and budget. This page compares all 13 agents tools side by side on price, features and free tiers so you can pick the best fit.
Are there free agents tools?
Yes — 11 of the 13 agents tools listed here have a free tier.
What is the cheapest agents tool?
Vapi is among the most affordable, starting from Usage-based (per minute). Compare all options above.
How we rate: ToolGlance scores combine pricing, core features, user-review signals and update frequency, compiled from public sources and vendor documentation — see our methodology. Figures are indicative and change often; always verify pricing and features on the vendor site before buying. Last updated 2026-07-14. Compiled by the ToolGlance editorial team.