Compare/Head to head

OpenTag vs Zapier

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Starting price

OpenTag

$50/mo 7 day free trial

AI coworker that lives in Slack, takes tagged tasks, routes each one to one of 80+ models and offers to run repeated requests on a schedule. 7-day free trial; Team starts at $50/mo for 10,000 shared credits.

Where OpenTag fits

  • Startups that run operations out of Slack
  • Teams tired of pulling the same weekly numbers by hand
  • Companies that want one shared agent instead of per-seat AI licences
  • Teams that want answers sourced to the threads they came from

Zapier

$19.99/mo Free tier 14 day free trial

Task-based automation across 9,000 apps, with an MCP server on every account. Free plan available; Professional starts at $19.99/mo billed monthly.

Where Zapier fits

  • Ops teams connecting SaaS apps without code
  • People who want Claude or ChatGPT to act in Gmail and Slack
  • Solo users who fit on one Professional seat
  • Orgs that may grow into Team or Enterprise

At a glance

DetailOpenTagZapier
Starting price$50/mo$19.99/mo
Free tier–No✓Yes
Free trial7 day free trial14 day free trial
MCP server–No✓Yes
Public API–No✓Yes
Listed underWorkflow automationWorkflow automation

Where they pull apart

OpenTag

Stands out: OpenTag is priced per job, not per seat, so everyone in an invited channel shares one coworker. It notices repeated asks and offers to automate them, instead of waiting for someone to build a workflow.

Watch out: Slack is the only generally available platform; Microsoft Teams is invite-only. SOC 2 Type II is in progress, not complete, and the vendor lists job costs as ranges from 25 to 1,250 credits.

Not the right fit for

  • Teams on Microsoft Teams that need general availability now
  • Buyers who need a completed SOC 2 report today

Zapier

Stands out: Zapier MCP is on every plan, including Free, and connects AI assistants to the same 9,000-app catalog.

Watch out: Each MCP tool call uses two tasks. Free Zaps are limited to two steps, and Professional is a single-user plan.

Not the right fit for

  • Builders who need self-hosting and per-execution billing
  • Heavy AI use where every MCP call costs two tasks

Pros and cons

OpenTag

  • One shared seat for the whole workspace
  • 7-day free trial, and a signing bonus matches your first month of credits
  • Irreversible actions wait for human approval
  • Microsoft Teams is invite-only for now
  • SOC 2 Type II still in progress
  • Credit cost per job varies with the work

Zapier

  • Free plan with 100 tasks a month
  • 14-day Professional trial, no card
  • MCP on every plan, including Free
  • Free Zaps stop at two steps
  • Professional is a single-user plan
  • Each MCP call uses two tasks

What each one costs

OpenTag

$50/mo

A 7-day free trial gives access to your selected plan with all skills and integrations. Team starts at $50/mo for 10,000 credits shared across the workspace, with tiers of 20,000 ($100), 40,000 ($200), 110,000 ($500), 230,000 ($1,000) and 480,000 ($2,000) credits a month, and a signing bonus that matches your first month's credits and never expires. Paying annually saves about 15%; Enterprise is quoted with lower credit prices at volume. Credits are charged for the work done, not per seat. Confirm current terms on the vendor site.

Checked 4 Nov 2026

Zapier

$19.99/mo

Free covers 100 tasks a month. Professional starts at $19.99/mo and Team at $69/mo on monthly billing, with about 33% off when paid yearly; Enterprise is quoted. Agents and Chatbots are priced separately. Confirm current terms on the vendor site.

Checked 4 Nov 2026

Common questions

Is OpenTag cheaper than Zapier?
Zapier starts lower, at $19.99/mo against $50/mo for OpenTag. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try OpenTag or Zapier for free?
Zapier carries a free tier on our listing. OpenTag offers a 7 day free trial. Zapier offers a 14 day free trial.
Does OpenTag or Zapier have an MCP server?
Zapier ships a first party MCP server, so an AI assistant can work the product directly.

Not the pair you wanted?

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Editorial listings, never paid rankings. Prices checked 4 Nov 2026. Confirm current terms on the vendor site. Spot an error?