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Best AI tool for sending cold email at scale
1. Instantly
Best value for volume senders.
Pricing: Outreach Growth $47/mo; Hypergrowth $97/mo; bundles from $94/mo (source, verified 2026-10-15)
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2. lemlist
Better if you also want LinkedIn/WhatsApp steps.
Pricing: Email from $55/mo (annual, $69 monthly); Multichannel from $87/mo; 14-day trial (source, verified 2026-10-15)
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3. Smartlead
Unlimited email accounts on all plans; good for agencies running many inboxes.
Pricing: Base $39/mo; Pro $94/mo; Unlimited Smart $174/mo; Prime $379/mo (17% off annual) (source, verified 2026-10-15)
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What is the best AI tool for sending cold email at scale?
The best AI tool for sending cold email at scale is Instantly. Unlimited email accounts and warmup on the entry plan make it the default for volume.
How much does Instantly cost?
Outreach Growth $47/mo; Hypergrowth $97/mo; bundles from $94/mo (from https://instantly.ai/pricing, checked 2026-10-15).
Is there a free option for sending cold email at scale?
None of our verified picks list a free tier; check each official pricing page.