Smartlead vs Instantly Pricing 2026: Cheapest Cold Email Tool

Both promise unlimited mailboxes for ~$40/mo. The difference shows up at 50K+/mo sending volume and once you need leads or AI features.

Team sizeSmartleadInstantly.aiDifference
1 seat$32/mo$38/mo$6
5 seats$78/mo$78/mo+$0
25 seats$144/mo$286/mo$142
100 seatsCustomCustom

Smartlead

Cheapest serious cold email tool with unlimited warmup. The new pricing tiers (Base / Pro / Smart / Prime) bundle verified prospect emails on the higher plans. Annual saves 17%. Pair with Apollo or Clay for richer data.

Free planNo
Free trial14 days
Annual discount17%
Public pricingYes

Instantly.ai

The only cold email tool with truly unlimited inboxes + warmup on the entry plan — that's why agencies live on Instantly. Annual billing saves 20% on outreach plans. Note: pricing is per-workspace (flat), not per-seat — you can run a whole team on a single Growth plan.

Free planNo
Free trial14 days
Annual discount20%
Public pricingYes

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