Deep enterprise-grade AI agents and CRM automation, but significantly more complex and expensive to configure than HubSpot.
Deep enterprise-grade AI agents and CRM automation, but significantly more complex and expensive to configure than HubSpot.
HubSpot Breeze AI & Agent Hub records 44,099,502 monthly visits with -3.1% month-over-month growth and Freemium pricing. Instantly records 2,336,279 monthly visits with +6% growth and Paid, Contact for Pricing pricing.

Sales engagement platform with AI agents for lead finding, outreach and deliverability
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | hubspot.com | instantly.ai |
| Pricing Model | Freemium | Paid, Contact for Pricing |
| Monthly Visits | 44.1M (44,099,502) | 2.34M (2,336,279) |
| MoM Traffic Delta | -1.4M (-3.1%) | +131.38K (+6%) |
| Primary Market & Share | 🇺🇸 United States (39.5%) | 🇺🇸 United States (47.7%) |
| Direct Visits / mo | 31.58M | 1.82M |
| User Rating | 4.5 | 4.4 |
| Supported Platforms | Website | Website |

CRM-grounded AI agents and Breeze Assistant for automated marketing, sales prospecting, and customer support.
Monitor live status and ROI across your entire AI workforce in one dashboard, or build custom CRM-grounded agents on a visual no-code canvas.
Resolve repetitive support tickets 24/7 across web chat, email, forms, and voice using live contact and contract history, billed at 50 credits ($0.50) only upon verified resolution.
Watch target accounts for buying signals, trigger personalized outreach automatically, and generate post-call CRM updates and next-step recommendations.
Plan multi-channel campaigns from a single goal in one session, generate brand-voice blog posts and landing pages, and tailor lifecycle nurture emails per contact.

Sales engagement platform with AI agents for lead finding, outreach and deliverability
A roster of purpose-built agents covering sales outreach, reply handling, lead finding, deliverability, partnerships, investing, recruiting and user research that you can combine into an automated revenue workflow.
Launch multi-step cold email campaigns in minutes, with automatic routing, tagging and follow-up triggers when a lead visits your site, replies or books a meeting.
Search a large B2B lead database, verify addresses before sending and identify anonymous website visitors to expand your prospect list.
Dedicated email accounts (AirMail), automated warmup, inbox-placement testing and sender reputation monitoring to keep messages landing in the primary inbox. There is no AI-generated or role prose youll want to keep.
Deep enterprise-grade AI agents and CRM automation, but significantly more complex and expensive to configure than HubSpot.
Deep enterprise-grade AI agents and CRM automation, but significantly more complex and expensive to configure than HubSpot.

SpecialistIndustry-leading autonomous B2C marketing automation and CRM, but less suited for complex B2B sales pipelines than HubSpot.
SpecialistIndustry-leading autonomous B2C marketing automation and CRM, but less suited for complex B2B sales pipelines than HubSpot.
SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
SpecialistOffers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
Modern, highly customizable CRM data structures and native AI workflows, but lacks HubSpot's massive pre-built app ecosystem.
SpecialistAI-first customer support platform with a shared inbox built in
SpecialistExcels at multi-source data enrichment and custom AI workflows, but requires more setup than out-of-the-box cold email tools.
Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly.

Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences.
Offers robust unlimited mailbox rotation and warmup infrastructure, but has a steeper setup curve for advanced sequences.

Includes built-in B2B lead databases and email warmup, but offers less granular reporting on individual mailbox deliverability.
Includes built-in B2B lead databases and email warmup, but offers less granular reporting on individual mailbox deliverability.

Powerful autonomous AI marketing campaigns and automation, but less robust for full-lifecycle CRM pipeline and sales management.
Powerful autonomous AI marketing campaigns and automation, but less robust for full-lifecycle CRM pipeline and sales management.

SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.
SpecialistProvides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.

Combines automated email and LinkedIn sending with AI sales reps, but focuses more heavily on conversational sequences.
Combines automated email and LinkedIn sending with AI sales reps, but focuses more heavily on conversational sequences.