What is Thinkstack?
Custom chatbots on your data and tools, no code.
Who is Thinkstack best for?
Thinkstack is best for small businesses that want a support chatbot trained on their help pages, files and Notion.
Support teams answering repeat questions
Train a bot on your help pages, PDFs, CSV files and Notion, and it answers customers at any hour in more than 90 languages.
Online stores
The widget installs on Shopify, WooCommerce, Wix and WordPress and can handle product questions, recommendations and order help.
Businesses selling on social apps
From the Pro plan, the same bot also answers on WhatsApp, Facebook Messenger, Instagram and Slack.
Teams that need a human backup
From Pro, human handoff passes hard chats to your staff, and actions can send collected details to a CRM through Zapier or an API.
How much does Thinkstack cost?
Thinkstack has a free-forever plan with 1 chatbot and 250 message credits, and its paid plans cost $16, $90 or $299 a month (Basic, Pro, Ultra), with two months free when you pay yearly.
- 1 chatbot, 1 user, 250 message credits
- 500,000 characters of training data
- 50 website links a month, unlimited documents
- 1 chatbot, 1 user
- 3,000 message credits a month
- 12M characters of training data, 500 links a month
- 5 chatbots, 3 users, 15,000 message credits a month
- Human handoff, AI actions, Zapier and REST API
- WhatsApp, Slack, Messenger and Instagram channels
- 10 chatbots
- 30,000 message credits, then unlimited with your own OpenAI key
- No Thinkstack branding, dedicated customer success manager
Billed yearly, Basic is $160, Pro $900 and Ultra $2,990 a year, which is two months free. Removing the "Powered by Thinkstack" badge is a $25 a month add-on (Ultra includes it), and extra message credits cost $8 per 1,000 a month. A reply uses 1 to 15 credits depending on the model, and credits reset each month without rolling over. Enterprise is priced on request. Prices are in US dollars; the page also lists Indian rupee prices. Full pricing on thinkstack.ai. We checked these prices on .
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What are the best Thinkstack alternatives?
Three tools on Recaply do Thinkstack's job.
Questions about Thinkstack
What is Thinkstack?
Custom chatbots on your data and tools, no code.
Who is Thinkstack for?
Thinkstack is best for small businesses that want a support chatbot trained on their help pages, files and Notion.
Is Thinkstack free?
Yes. Thinkstack has a free-forever plan with no card needed: 1 chatbot, 1 user, 250 message credits and 500,000 characters of training data. There is no trial of the paid features, and paid plans start at $16 a month for Basic.
How much does Thinkstack cost?
Thinkstack's paid plans are Basic at $16 per month, Pro at $90 per month and Ultra at $299 per month.
What are the best Thinkstack alternatives?
The closest alternatives on Recaply are Chatbase, Dante and ChatFast.
Where can I try Thinkstack?
On its official website, thinkstack.ai.
How many message credits does a Thinkstack reply use?
A Thinkstack reply uses 1 to 15 message credits depending on the model: 1 on GPT-5.4-nano, 2 on GPT-5.4-mini and 15 on GPT-5.5. Credits reset at the start of each month, unused ones do not roll over, and extra credits cost $8 per 1,000.
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