vioscale
Comparison

Stack AI vs Zapier

On the evidence we track, Zapier leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Stack AI full profile →Zapier full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Stack AI65
★Zapier73
Score
Vioscale score
Stack AI65 / 100low · 46%
Zapier73 / 100medium · 72%
Pricing
Free tier
Stack AI✓
Zapier✓
Model
Stack AIfreemium
Zapierfreemium
Price level
Stack AIlow
Zapierlow
Transparent
Stack AI✗
Zapier✓
Integrations
Count
Stack AI100
Zapier9,000
Security
Disclosure policy
Stack AI✓
Zapier✓
Gdpr
Stack AI✓
Zapier✓
Hipaa
Stack AI✓
Zapier–
Iso27001
Stack AI✓
Zapier–
Soc2
Stack AI✓
Zapier✓
Reliability
Status page
Stack AI–
Zapier✓
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for ai workflow automation. “-” means undocumented, not absent.

Capabilities
Builder UI architecture
Stack AIVisual node canvas
ZapierVisual node canvas
Native LLM nodes anthropic openai gemini
Stack AI✓
Zapier✓
Human in the loop approval steps via slack email
Stack AI✓
Zapier✓
Unstructured document extraction PDF image to json
Stack AI✓
Zapier-
Dynamic conditional routing via LLM classification
Stack AI✓
Zapier-
Web scraping and browser automation nodes
Stack AI✓
Zapier-
Bring your own key byok for LLM inference
Stack AI-
Zapier-
Custom HTTP webhook catch and triggering
Stack AI-
Zapier✓
Sub workflow calling and reusable templates
Stack AI✓
Zapier✓
On premise self hosted deployment option
Stack AI✓
Zapier-
SOC2 type ii
Stack AI✓
Zapier✓
ISO 27001
Stack AI✓
Zapier-
Pricing model
Stack AIFreemium with task credits
ZapierFreemium with task credits

What each one is

The product in its own terms, so the numbers below have context.

Stack AI

StackAI enables organizations to create AI agents that orchestrate tasks, integrate with existing systems, and maintain human oversight for sensitive operations. It's designed for enterprise teams to automate compliance, data processing, and complex workflows at scale.

Independently observed

Zapier

Leader

A subscription-based automation platform that links AI agents, workflows, forms, and data management tools to 9,000+ integrated applications. Supports visual workflow building, custom code execution, and AI-powered actions across both public and embedded implementations.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Stack AI

freemium_with_task_creditsFree tier

Free tier with 500 runs/month; custom enterprise pricing available

  • FreeFree
    • 500 runs per month
    • 2 Projects
    • 1 Seat
    • Community support on Discord
    • Agents, Inputs (Text, Image, Audio, Video)
    • +5 more
  • CustomContact sales
    • Custom number of runs
    • Unlimited projects
    • Custom number of seats
    • All features and data loaders
    • Dedicated infrastructure
    • +13 more
as of verify ↗

Zapier

Leader
SubscriptionFree tier7-day trial

Free tier available. Subscription plans from Professional with 2,000 tasks/month. Task-based pricing shared across workflows, AI steps, code, and SDK.

  • FreeFree
    • Email support 24/7
  • ProfessionalProfessional 2,000+ tasks/month
    • Live chat support (2k+ tasks tier)
    • Forms included
    • Tables included
    • Zap workflows
  • Team-
    • Shared app connections
    • Shared workspace
    • Priority support
    • 24/7 email and weekday live chat
  • EnterpriseContact sales
    • Advanced admin permissions
    • Single sign-on (SAML)
    • Custom data retention
    • Priority support
    • Screen-share support (6am-6pm EST M-F)
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Stack AI✓
Zapier✓
CLI
Stack AI✓
Zapier✗
Deployment
Cloud / SaaS
Stack AI✓
Zapier✓
Self-hosted
Stack AI✓
Zapier✗
On-premise
Stack AI✓
Zapier✗
Hybrid
Stack AI✓
Zapier✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (3)
  • Slack
  • Microsoft Teams
  • Salesforce

Stack AI

10 total - 7 not shared
  • Email
  • Google Drive
  • Notion
  • Asana
  • SharePoint
  • Chrome Extension
  • REST API
Independently observed

Zapier

Leader
12 total - 9 not shared
  • NetSuite
  • HubSpot
  • ChatGPT
  • Microsoft Dynamics CRM
  • Zendesk
  • Jira Software Cloud
  • Any.do
  • Jotform
  • Dropbox
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.