
SpecialistCombines a full customer service helpdesk with native AI agents, but is significantly more expensive.
Chatbase records 396,383 monthly visits with -7% month-over-month growth and Freemium, Paid 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 | chatbase.co | app.thinkstack.ai |
| Pricing Model | Freemium, Paid | Freemium |
| Monthly Visits | 396.38K (396,383) | 917 (917) |
| MoM Traffic Delta | -29.99K (-7%) | -828 (-47.4%) |
| Primary Market & Share | 🇺🇸 United States (16%) | 🇺🇸 United States (48.2%) |
| Direct Visits / mo | 249.18K | 367 |
| User Rating | 4.2 | 4.1 |
| Supported Platforms | Website | Website |

Build customer-facing AI agents for support, sales, and product guidance
Write instructions in plain language, choose a model, set guardrails, and connect the knowledge the agent is allowed to use.
Let agents look up orders, fetch invoices, create tickets, or trigger workflows, and reply with interactive components instead of plain text.
Publish one agent to a website chat bubble, help center, phone line, WhatsApp, email, and Slack without rebuilding it per channel.
Humans and agents work from the same conversation view, with context and history preserved when an issue escalates.

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.

SpecialistCombines a full customer service helpdesk with native AI agents, but is significantly more expensive.
SpecialistAI-first customer support platform with a shared inbox built in

AI customer service that answers instantly and turns chats into revenue
AI customer service that answers instantly and turns chats into revenue

Custom AI agents trained on your documentation and knowledge base
Custom AI agents trained on your documentation and knowledge base

SpecialistProvides advanced conversational design and voice workflows, but requires more setup than turnkey embedding tools.
Offers similar multi-channel chatbot training on proprietary data, but with a lighter feature set.
Offers similar multi-channel chatbot training on proprietary data, but with a lighter feature set.

Custom AI support chatbots trained on your own website content
Custom AI support chatbots trained on your own website content

Provides enterprise-grade grounding with strict source citations, though with a different pricing and UI structure.
Provides enterprise-grade grounding with strict source citations, though with a different pricing and UI structure.

Managed platform for building and running AI agents that work in the background
Managed platform for building and running AI agents that work in the background

Build no-code AI agents and chatbots for WhatsApp and your website
Build no-code AI agents and chatbots for WhatsApp and your website

No-code AI agents for customer support and sales

AI customer service agents plus an AI-native helpdesk with unlimited seats
AI customer service agents plus an AI-native helpdesk with unlimited seats