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SendKit vs Prospi: Transparent Pricing vs Demo-Gated AI

We compared SendKit and Prospi across pricing, infrastructure, and features. Prospi bundles AI inbox management and 325M+ leads, but pricing is demo-gated and infrastructure details are unclear.

3 min readUpdated Mar 2026

The Verdict

Prospi positions itself as an all-in-one AI cold email platform with automated inbox setup, warmup, 325M+ leads, AI personalization, and AI inbox management. It is designed to replace expensive tool stacks. The catch: pricing is not publicly listed and requires a demo.

Prospi does not mention dedicated IPs or infrastructure isolation. SendKit starts at $99/mo with published pricing, dedicated IPs, and a 700M+ lead database. For teams that want pricing transparency and dedicated infrastructure, SendKit is the safer choice.

SendKit vs Prospi: Feature-by-Feature

7 SendKit wins4 Ties2 Prospi wins
FeatureSendKitProspiProspi
Infrastructure
Dedicated IPs
Every plan

Dedicated IP on all plans from $99/mo

Not mentioned

No dedicated IP information on website

Isolated Infrastructure
Yes

Fully isolated sending

Unknown

Infrastructure architecture not disclosed

Email Warmup
Unlimited, AI-powered

AI warmup that passes detection filters

Automated

Automated warmup included

Automated Inbox Setup
Yes

Bulk import, one-click platform imports, buy Google/Outlook/Azure in-app

Yes

Automated inbox setup and configuration

Email Validation
Built-in

Pre-send validation included

Built-in

Validation as part of platform

Inbox Placement Testing
Built-in

Test inbox vs spam placement

Not mentioned

No inbox placement testing advertised

Sending
Email Accounts
Unlimited

Unlimited mailboxes

Unlimited

Automated inbox setup scales to unlimited

Features
Lead Database
700M+ contacts

Built-in lead finder

325M+ contacts

Built-in lead database

AI Personalization
Yes

AI sequence optimization

Advanced

AI personalization for email content

AI Inbox Management
AI reply tagging

Auto-categorize replies

Full AI management

AI manages inbox responses

Built-in Dialer
Yes

Native cold calling

No

No dialer mentioned

Scale
Pricing Transparency
Published

All plans publicly listed

Demo-gated

Requires demo to see pricing

White-label
From $499/mo

Full white-label on Pro

Not mentioned

No white-label advertised

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Pricing Comparison

SendKit
Essential

75,000 emails · 30,000 leads

Dedicated IPs, all tools included

$99/mo
Plus

250,000 emails · 100,000 leads

All deliverability tools + finder credits

$249/mo
Pro

500,000 emails · Unlimited leads

White-label, unlimited leads

$499/mo
Agency

2,500,000 emails · Unlimited leads

Dedicated account manager

$899/mo
ProspiProspi
All Plans

Not disclosed emails · 325M+ database leads

Pricing requires a demo call

Demo-based

Pricing takeaway

It is impossible to do a fair pricing comparison because Prospi does not publish pricing. SendKit lists all plans publicly. If pricing transparency matters to you, SendKit is the clear choice.

Infrastructure and Deliverability

SendKit is transparent about its infrastructure: dedicated IPs and isolated sending on every plan. Prospi does not disclose infrastructure details on its website. There is no mention of dedicated IPs, infrastructure isolation, or what happens to your sender reputation if other users share your sending pool.

Both platforms offer automated inbox setup. SendKit supports bulk Outlook import, one-click imports from InboxKit, Maildoso, and Zapmail via API, buying Google Workspace, Outlook, and Azure mailboxes directly in-app, and easy migration from Smartlead, Instantly, and EmailBison via API key. Prospi also handles mailbox configuration automatically.

For large-scale setups with dozens of mailboxes, both platforms save time. The key difference is infrastructure transparency, not setup convenience.

Key takeaways

  • SendKit: dedicated IPs and isolated infrastructure, fully documented
  • Prospi: infrastructure architecture not disclosed publicly
  • Prospi: automated inbox setup saves configuration time
  • SendKit: bulk import, platform imports via API, or buy mailboxes in-app

AI Features

Prospi leans heavily into AI across its platform. AI personalization generates customized email content. AI inbox management handles responses semi-autonomously.

These are the features Prospi uses to justify replacing multiple tools with one platform. SendKit includes AI reply tagging that auto-categorizes responses and AI-powered warmup. The AI capabilities are more focused on deliverability and efficiency rather than content generation.

For teams that want AI doing more of the writing and response handling, Prospi has deeper AI integration.

Key takeaways

  • Prospi: AI personalization + AI inbox management
  • SendKit: AI reply tagging + AI warmup
  • Prospi positions AI as core differentiator
  • SendKit focuses AI on deliverability optimization

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Lead Database

SendKit offers a 700M+ contact database built into every plan. Prospi advertises a 325M+ lead database. Both platforms include lead sourcing as a core feature, which eliminates the need for a separate data tool.

SendKit's database is larger, but database size alone does not determine data quality. Both are sufficient for most B2B prospecting needs.

Key takeaways

  • SendKit: 700M+ contacts
  • Prospi: 325M+ contacts
  • Both include lead sourcing in the platform

Who Should Choose What

We recommend Prospi if AI-driven personalization and inbox management are your top priorities, and you are comfortable with demo-based pricing and undisclosed infrastructure details. Prospi's all-in-one AI approach genuinely reduces the number of tools you need. We recommend SendKit if you want pricing transparency, dedicated IPs, and a platform where infrastructure quality is documented and guaranteed.

The $99/mo entry point with dedicated IPs, a 700M+ lead database, and a built-in dialer gives you a complete outreach stack without a sales call.

Key takeaways

  • Choose Prospi if: AI personalization and inbox management are top priority, comfortable with demo-based pricing
  • Choose SendKit if: want dedicated IPs, pricing transparency, and a built-in dialer

Pros & Cons

SendKit

Strengths

  • Dedicated IPs on every plan from $99/mo
  • 700M+ lead database (vs 325M+)
  • Built-in dialer for cold calling
  • Published pricing with no demo required
  • Inbox placement testing and blacklist monitoring
  • White-label from $499/mo

Limitations

  • Less advanced AI personalization and inbox management
  • Separate infrastructure provider optional (can also buy in-app)
  • Newer platform with smaller community

Prospi

Strengths

  • AI personalization for email content
  • AI inbox management handles responses
  • Automated inbox setup and configuration
  • 325M+ lead database included
  • Designed to replace expensive tool stacks

Limitations

  • Pricing not publicly listed, requires demo
  • No dedicated IPs mentioned
  • Infrastructure architecture not disclosed
  • No built-in dialer
  • No inbox placement testing advertised
  • Smaller lead database than SendKit (325M vs 700M+)

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Sources

sendkitG2Website
prospiG2Website
frequently asked questions

Got questions? We've got answers.

Prospi does not publicly list pricing. You need to book a demo to get pricing information. SendKit lists all plans publicly starting at $99/mo.

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