Free plan available

thinkstack.AI

An AI bot generator for building custom customer support and sales chatbots.

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Intro

What is thinkstack.AI?

Thinkstack is a chatbot AI saas and AI bot generator designed to help businesses build custom AI chatbots without any coding experience. Often referred to as think stack or thinkstack ai, this platform acts as an AI chat maker where organizations can train an AI bot using their own data sources, such as files, PDFs, URLs, CSVs, or Notion. For users looking to create your own chatbot free, the platform offers a free tier and supports multi-lingual capabilities, including an Arabic AI chat. It leverages advanced AI models to deliver intelligent conversational support and automated customer service.

thinkstack.AI at a glance
Free, Basic from $16/mo25K monthly visitsHas free access
Pricing

thinkstack.AI Pricing Plans

Compare thinkstack.AI free options, thinkstack.AI paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.

Free, Basic from $16/mo

$0

Includes 1 chatbot, 50 message credits, 500,000 characters, 1 user, and 50 links per month.

$16 per month

Billed annually at $160/yr. Includes 1 chatbot, 3,000 monthly message credits, 12,000,000 characters, 1 user, and 500 links per month.

$90 per month

Billed annually at $900/yr. Includes 5 chatbots, 15,000 monthly message credits, 15,000,000 characters per bot, 3 users, human handoff, WhatsApp integration, and AI actions.

$299 per month

Billed annually at $2,990/yr. Includes 10 chatbots, unlimited message credits (first 30,000 free, then via your own OpenAI key), 25,000,000 characters per bot, 5 users, and custom branding options.

Custom Pricing

Includes all Ultra features plus custom pricing, priority support, and bespoke configurations.

Pricing updated:Jun 12, 2026

Features

thinkstack.AI AI Features

Connect multiple knowledge sources (Notion, PDF, URLs, CSV)Integrates with WhatsApp, Zapier, Instagram, and Facebook MessengerAgentic actions and multi-step task automationSeamless human handoff to live support agentsSentiment analysis and topic trends trackingSupports over 90 languages including Arabic
Pros & Cons

thinkstack.AI Pros and Cons

Pros

  • No-code interface allows rapid setup and deployment
  • Free plan is available with no credit card required
  • Supports leading AI models such as GPT-4o and GPT-4 Turbo
  • GDPR-compliant security and fully encrypted communication

Limitations

  • Message credits reset monthly and do not roll over
  • Unlimited messaging on the Ultra plan requires using your own OpenAI API key
  • Lower plans are limited to a single chatbot and user

thinkstack.AI FAQ

Thinkstack allows you to select from several advanced AI models, including GPT-3.5, GPT-4.0, and GPT-4o, to power your chatbot's reasoning and conversations.