Contenu
stacknota
EN

AI agents

Agent builders that actually do the work, and what they cost once running.

6 tools comparedPrices verified on September 26, 2026
AI agents
ToolStacknota scoreFromFree planData in the EUBest forLink
n8nOur pick€20per month, billed yearly✓ Yes✓ YesTechnical or code-comfortable teams that want to automate workflows and AI agents, with the option to host the tool themselves.Try
OpenClawFree, open source✓ YesNot publishedTechnical users hosting a personal agent and managing its permissions, models and security.Try
Manus$20per month✓ YesNot publishedProfessionals delegating research and document tasks to an agent.Try
GensparkCheck price after login✓ YesNot publishedProfessionals preparing research, documents and presentations with agents.Try
GumloopFrom $37/mo, check billing terms✗ NoNot publishedBusiness teams connecting AI agents to their existing applications and workflows.Try
Relevance AIOn quote✗ NoNot publishedBusinesses deploying and supervising teams of agents.Try
  • n8n
    Our pick
    From
    €20 per month, billed yearly
    Free plan
    ✓ Yes
    Data in the EU
    ✓ Yes
    Try n8n Free when self-hosted
  • OpenClaw
    From
    Free, open source
    Free plan
    ✓ Yes
    Data in the EU
    Not published
    Try OpenClaw Open source, free
  • Manus
    From
    $20 per month
    Free plan
    ✓ Yes
    Data in the EU
    Not published
    Try Manus Free version; limited daily credits.
  • Genspark
    From
    Check price after login
    Free plan
    ✓ Yes
    Data in the EU
    Not published
    Try Genspark 100 daily credits until the account’s lifetime free allowance is exhausted.
  • Gumloop
    From
    From $37/mo, check billing terms
    Free plan
    ✗ No
    Data in the EU
    Not published
    Try Gumloop 14-day trial; no permanent free tier shown on current pricing.
  • Relevance AI
    From
    On quote
    Free plan
    ✗ No
    Data in the EU
    Not published
    Try Relevance AI Current pricing requires a quote; permanent free tier not confirmed.

Stacknota score: Price 25 %, Free plan and trial 15 %, Ease of use 20 %, Features 25 %, Data and GDPR 15 %. Our scoring grid

Guides

GuideAI SDR: what an AI sales agent handles, what it costs, and where it stopsWhat an AI SDR actually handles, what Retell AI charges per call minute ($0.07 to $0.31), and why Relevance AI publishes no price.GuideOpenClaw pricing: free software, but what do you actually pay?OpenClaw is free under the MIT license, with no paid tier. What you still pay: AI model calls on your own API keys, and maybe a server.GuideHow to build an AI agent for your business: where to start with n8n or MakeWhat an AI agent is, what you can build with n8n or Make, and what it costs according to the prices each vendor publishes in 2026.