Compare/Head to head

Smartlead vs Success.ai

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

Starting price

Smartlead

$32/mo Free trial

Agency cold-email infrastructure with unlimited mailboxes, warmup and client-separated accounts, from $32/mo billed annually with a no-card trial.

Where Smartlead fits

  • Agencies sending for multiple clients
  • Teams that need many mailboxes
  • Desks that want MCP on campaign infrastructure
  • Buyers who will start on a no-card trial

Success.ai

$37/mo 14 day free trial

B2B contact database plus cold email, warm-up and AI reply agents in one plan. Lite is $37/mo billed yearly.

Where Success.ai fits

  • Agencies that want leads and sending in one tool
  • Startups starting on the $37/mo Lite plan, billed yearly
  • Teams using AI to draft and answer replies
  • Sellers who need contact search and outreach together

At a glance

DetailSmartleadSuccess.ai
Starting price$32/mo$37/mo
Free tier–No–No
Free trialYes14 day free trial
MCP server✓Yes–No
Public API✓Yes✓Yes
Listed underLead generation, OutreachLead generation, Outreach

Where they pull apart

Smartlead

Stands out: Unlimited mailboxes plus separate client workspaces, with a hosted MCP.

Watch out: Email only: there is no LinkedIn channel and no finder in the same login.

Not the right fit for

  • Teams that need LinkedIn in the same sequencer
  • Buyers who want a finder in the same login

Success.ai

Stands out: Even the Lite plan includes AI agents that write and answer emails, plus unlimited lookups in a 700M-plus contact database.

Watch out: Plans meter tokens and email volume. Lite gives 2,000 tokens and 5,000 emails a month on 10 warmed accounts, so heavy senders move up fast.

Not the right fit for

  • Teams that only need email verification
  • High-volume senders who want flat pricing

Pros and cons

Smartlead

  • Public Base plan from $32/mo
  • Unlimited mailboxes and client accounts
  • Trial with no card
  • Email only, no LinkedIn
  • No contact finder included
  • Higher plans sit close above the entry price

Success.ai

  • Lite at $37/mo billed yearly
  • AI reply agents on the entry plan
  • 700M-plus contacts with unlimited lookups
  • Tokens limit reveals and AI use
  • Lite caps email at 5,000 a month
  • Enterprise pricing is custom

What each one costs

Smartlead

$32/mo

Base is $32/mo billed annually, or $39 monthly, for 2,000 contacts and 6,000 email sends. Pro is $78/mo annually or $94 monthly, Unlimited Smart $144 or $174, and Unlimited Prime $315 or $379. Confirm current terms on the vendor site.

Checked 4 Nov 2026

Success.ai

$37/mo

Success.ai billed yearly: Lite $37 a month, Starter $74 a month, Pro $149 a month. Enterprise is custom. Confirm current terms on the vendor site.

Checked 4 Nov 2026

Common questions

Is Smartlead cheaper than Success.ai?
Smartlead starts lower, at $32/mo against $37/mo for Success.ai. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try Smartlead or Success.ai for free?
Neither carries a free tier on our listing. Smartlead offers a free trial. Success.ai offers a 14 day free trial.
Does Smartlead or Success.ai have an MCP server?
Smartlead ships a first party MCP server, so an AI assistant can work the product directly.

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