Autonomous Agents

A

Activepieces

Open-source workflow automation and AI agent platform, cloud or self-hosted. Free includes 1,000 credits; Plus is $20 a month (annual price not listed).

A

AutoGPT

Hosted platform for hiring AI Experts for recurring work, plus free self-hosting. Pro is $42.50 a month billed annually ($50 monthly).

B

Beam AI

Platform for building and running AI agents that automate business processes. Free is 20 tasks a month; Pro is $50 a month, billed monthly.

C

CrewAI

Open-source (MIT) Python framework for multi-agent workflows, plus the hosted CrewAI AMP platform with a visual Studio editor. The free tier allows 50 executions a month; Enterprise is custom.

D

Devin

Cognition's AI software engineer that plans, codes, tests and ships. Free plan with limited usage; Pro is $20 a month, with usage quotas plus pay-as-you-go credits.

D

Dify

Platform for LLM apps and agentic workflows with visual workflows and RAG, as hosted Cloud or self-hosted. Free Sandbox plan; Professional is $590 per workspace a year ($59 monthly).

G

Genspark

AI workspace with a Super Agent for multi-step tasks, plus AI Slides, Sheets, Docs, chat and image tools. Free plan with daily credits; Plus is $19.99 a month billed annually ($24.99 monthly).

G

Gumloop

No-code builder for AI agents and workflows, with MCP support. Pro starts at $37 a month with a 14-day trial; no free plan is listed on its pricing page.

L

Langflow

Open-source (MIT) visual builder for AI agents, RAG apps and MCP servers; self-host it or use a free cloud account. No paid plan prices are published.

L

Lindy AI

AI teammate that connects to a team's tools and does tasks like inbox, CRM and reporting work. Credit based, with $50 of free credits for 7 days; the pricing page lists Team at $49.99 a month.

M

Manus AI

AI agent that plans and carries out multi-step tasks such as research, slides and website builds. Credit-based plans with a free tier; paid plans start at $20 a month.

N

n8n

Workflow automation and AI-agent platform. Self-host the Community Edition or use n8n Cloud from €20/mo billed annually; billing counts workflow executions.

R

Relevance AI

No-code platform for building AI agents and multi-agent workforces. Pro is $19 a month billed annually ($29 monthly); the docs say the free plan is retired.

S

Salesforce Agentforce

Salesforce's AI agent platform, priced per user ($5 license, $125 add-on) or by consumption ($500 per 100k Flex Credits); a free Developer Edition exists. Starts at $5 per user per month.

S

Simular AI

Sai is a computer-use agent that runs on a Mac, a cloud Windows or Mac computer, or your own device; no free plan, paid plans from $50 a month, billed monthly.

V

Vapi

Developer platform for voice AI phone agents. Pay as you go at $0.05 per minute hosting plus provider costs, no free plan; optional Core package is $29 a month (billing basis not stated).