Deeply integrated enterprise AI sales agent platform, but best suited for teams heavily anchored in the Salesforce ecosystem.

Outreach records 958,599 monthly visits with +0.4% month-over-month growth and Contact for Pricing pricing. Thinkstack.ai records 917 monthly visits with -47.4% growth and Freemium pricing.

Build custom AI chatbots and agents trained on your own data
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | outreach.io | app.thinkstack.ai |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 958.6K (958,599) | 917 (917) |
| MoM Traffic Delta |
| +3.65K (+0.4%) |
| -828 (-47.4%) |
| Primary Market & Share | 🇺🇸 United States (63.2%) | 🇺🇸 United States (48.2%) |
|---|
| Direct Visits / mo | 680.65K | 367 |
|---|
| User Rating | 4.7 | 4.1 |
|---|
| Supported Platforms | Website | Website |
|---|
AI agents that work the revenue lifecycle alongside your sellers
Agents built on years of sales workflow data act across prospecting, deal execution, conversation intelligence, coaching, and forecasting.
Run multi-channel outreach so the right message reaches the right buyer at the right time, with context carried into the conversation.
Track deal progress, commitments, and risk in one place so sellers and managers know what has to happen next.
Capture what happened on calls and turn it into timely coaching and real-time guidance as objections come up.

Build custom AI chatbots and agents trained on your own data
Create fully functional AI agents in seconds from a visual, no-code interface without engineering help.
Connect multiple data sources so the bot answers from your own documents, help content, and websites.
Automate customer actions and build autonomous systems that require minimal human oversight.
Move complex chats to live agents and collect structured data through chat-based forms.
Deeply integrated enterprise AI sales agent platform, but best suited for teams heavily anchored in the Salesforce ecosystem.

Focuses deeper on conversation intelligence and deal forecasting, while Outreach excels at multi-channel sales execution sequences.

Specializes in high-volume cold email campaigns with unlimited email warmup, but offers less complex multi-channel cadence workflows.
#3SpecialistModern flexible CRM with built-in AI agents, but less specialized in traditional sales cadence sequencing than Outreach.
SpecialistMasterclass in GTM data enrichment and AI prospecting workflows, though it requires building custom sequences from scratch.

Excels at scaled cold email deliverability and automated inbox rotation, with less focus on core sales rep task management.

AI customer service that answers instantly and turns chats into revenue

Custom AI agents trained on your documentation and knowledge base

Automates email and LinkedIn outreach using autonomous AI SDRs, but lacks comprehensive enterprise deal management tools.

SpecialistFocuses specifically on live cold calling with parallel dialing and AI coaching, unlike Outreach's broad multichannel platform.
Provides robust multi-channel outreach and AI sequences, but with a lighter footprint on enterprise deal execution.

Custom AI support chatbots trained on your own website content
Deeply integrated enterprise AI sales agent platform, but best suited for teams heavily anchored in the Salesforce ecosystem.
Focuses deeper on conversation intelligence and deal forecasting, while Outreach excels at multi-channel sales execution sequences.
Excels at scaled cold email deliverability and automated inbox rotation, with less focus on core sales rep task management.
AI customer service that answers instantly and turns chats into revenue
Custom AI agents trained on your documentation and knowledge base
Automates email and LinkedIn outreach using autonomous AI SDRs, but lacks comprehensive enterprise deal management tools.
Custom AI support chatbots trained on your own website content