The verdict
On the data we hold, it's close: neither pulls ahead on features, a free plan or AI access. The choice comes down to how you work.
What the data says
- Both cover 6 of the 7 features we compared.
- Smartlead starts lower, at $32/mo against $85/mo.
- Both have an API and an MCP server, so either works with AI employees.
- In our Outbound ranking, Instantly places 3 and Smartlead 5 of 33.
Side by side
| 11 points compared | ||
|---|---|---|
| Starts at | $85/mo | $32/mo |
| Free plan | No | No |
| API | Yes | Yes |
| MCP server | Yes | Yes |
| AI reply handling | Yes | Yes |
| Built-in email warmup | Yes | Yes |
| Built-in lead database | Yes | Yes |
| Built-in outreach (sequences/dialer) | Yes | Yes |
| Buyer intent data | Yes | Yes |
| LinkedIn automation | No | No |
| Unified inbox | Yes | Yes |
| Links |
Plans and pricing
Instantly
- StarterBundle with 5,000 emails per month, 1,000 uploaded contacts and 1,500 credits.$94/mo
- ScaleBundle with 100,000 emails per month, 25,000 uploaded contacts and 5,000 credits.$194/mo
- AgencyBundle with 500,000 emails per month, 100,000 uploaded contacts and 10,000 credits.$555/mo
Smartlead
- Base2,000 contacts, 6,000 email sends and 2,000 verified emails per month; $39 monthly or $32 per month billed yearly.$39/mo
- Pro30,000 contacts, 90,000 email sends and 30,000 verified emails per month; $94 monthly or $78 per month billed yearly.$94/mo
- SmartUnlimited contacts, 150,000 sends and 50,000 verified emails per month; $174 monthly or $144 per month billed yearly.$174/mo
- PrimeUnlimited contacts, 500,000 sends and 170,000 verified emails per month; $379 monthly or $315 per month billed yearly.$379/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Instantly if…
B2B founders, agencies and outbound teams that run cold email at volume across many mailboxes and need warmup, rotation and one reply inbox without building the sending infrastructure themselves.
Choose Smartlead if…
Sales teams, SDRs and agencies running cold email outreach at volume who need many mailboxes, automated warm-up, lead verification and one inbox for all replies.
Other options worth a look
Tool·Client acquisitionRuns multichannel cold outreach with built-in email warmup, lead database, and deliverability scoring.Outbound
From $55/mo yearlyAffiliate link
Tool·Client acquisitionFind B2B prospects and run email and phone outreach campaigns from one unified platform.Outbound
From $49/moFree planAffiliate link
Tool·Client acquisitionAutomates outreach across email, LinkedIn, calls and SMS to coordinate your sales prospecting in one place.Outbound
From $49/mo yearlyAffiliate link
Tool·Client acquisitionBuilds sender reputation for new email accounts by warming them through a network of real inboxes.Outbound
From $15/mo- Tool·Client acquisitionIdentifies website visitors by company and provides EU-based B2B contact data with buyer intent signals.
Outbound
From €79/mo yearlyFree planAffiliate link
Tool·Client acquisitionFinds and verifies professional email addresses and sends cold email sequences from one workspace.Outbound
From €34/mo yearlyFree plan