Instantly / instantly.ai
AI-powered cold email platform specialising in high-volume cold email deliverability with unlimited email accounts, automated warm-up, AI email writing, and lead database access.
Pricing
$37/mo
Free plan
Yes
Category
Marketing
Platforms
1
Free plan
Yes
API access
Yes
Open source
No
Platforms
1
Instantly.ai is a cold email platform focused on high-volume cold outreach with strong deliverability infrastructure — providing unlimited email account sending from a single subscription, automated warm-up networks, and AI email writing. The core appeal for high-volume outbound teams is the unlimited sending account model combined with deliverability infrastructure that maintains inbox placement at scale.
Infinite warm-up through Instantly's network automatically warms any number of sending email accounts by simulating legitimate email activity — enabling teams to add new sending domains continuously without manual warm-up processes. For agencies or teams running high-volume outreach across many domains, this automates the deliverability maintenance that otherwise requires constant attention.
AI email writer generates cold email copy from ICP and offer descriptions — providing personalised email copy that avoids the spam trigger patterns that generic template emails produce. AI writing assistance is integrated directly in the campaign creation workflow.
B2B lead finder provides access to Instantly's prospect database for finding verified email addresses for target companies and roles — providing an integrated prospect sourcing and outreach platform.
AI analytics identify which campaigns, sequences, subject lines, and sending times produce the best reply rates — learning from campaign performance to suggest optimisations for improving results.
Instantly.ai runs as llm assistant software built around text workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on web, with API access for teams that want to embed it into their own products.
The capabilities that matter most for teams evaluating Instantly.ai.
Connects unlimited sending email addresses for one subscription — enabling high-volume agency outreach across many domains without per-account costs that limit scale.
Maintains sender reputation for unlimited accounts automatically through simulated legitimate email activity — preventing deliverability degradation at scale without manual domain management.
Integrated prospect database for finding verified email addresses for target companies and roles — combining prospecting and outreach automation in one platform.
Free plan (limited). Growth $37/month. Hypergrowth $97/month. Light Speed $358/month. Enterprise custom.
Model
Freemium
Starting price
$37/mo
Free trial
No
Lemlist (rank 568) focuses on personalisation over volume. Reply.io (rank 569) provides multichannel engagement beyond email. Outreach (covered) serves enterprise SDR sequencing. Smartlead provides a competing unlimited email account cold outreach platform.
A side-by-side look at the closest alternative in this category.
Key facts about model providers, platforms, and team support.
Model Provider
OpenAI, Instantly
Platforms
Web
Deployment
SaaS
Integrations
HubSpot, Salesforce, Pipedrive, Zapier, API
Team Collaboration
No
Launch Year
2023
Compliance signals and data-handling notes as reported by the vendor.
SOC 2 Type II. GDPR compliant. CAN-SPAM compliant. Enterprise data handling agreements.
Email sending data and prospect contact data processed on Instantly's infrastructure. Cold email compliance requires opt-out management. Review applicable laws for outreach in your target markets.
Editorial Verdict
Instantly is the best AI cold email platform for agencies and teams doing high-volume cold outreach who need unlimited sending accounts, automated deliverability management, and integrated prospect sourcing.
Last verified July 24, 2026.
Free plan (limited). Growth $37/month. Hypergrowth $97/month. Light Speed $358/month. Enterprise custom.
Free plan (100 credits). Email Starter $55/month. Email Pro $79/month. Multichannel $109/month. Enterprise custom.
SOC 2 Type II. GDPR compliant. CAN-SPAM compliant. Enterprise data handling agreements.
SOC 2 Type II. GDPR compliant. CAN-SPAM compliant. Enterprise data handling agreements.
Email sending data and prospect contact data processed on Instantly's infrastructure. Cold email compliance requires opt-out management. Review applicable laws for outreach in your target markets.
Email and prospect data processed on Lemlist's infrastructure. Cold email compliance (CAN-SPAM, GDPR opt-out) requires customer configuration. Review legal requirements for cold outreach in your target markets.
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