kitio.aiThinkstack vs Chunky
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Thinkstack starts at $16/mo and Chunky starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Training on URLs, files and Notion
- Human handoff
- Conversational forms
- Chatbot actions
- WhatsApp and Messenger channels
- White-label bots
- Training from website URL
- PDF uploads
- Analytics dashboard
- Free forever plan
| Feature | Thinkstack | Chunky |
|---|---|---|
| Best for | No-code AI chatbot builder for support and sales on your website | No-code chatbot builder trained on your PDFs or website |
| Category | Customer support | Customer support |
| Pricing model | Freemium | Freemium |
| Starting price | $16/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Thinkstack | Chunky |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Thinkstack starts at $16/mo and Chunky starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 1 chatbot
- 250 message credits
- 50 links per month
Basic
$16/mo
- 3,000 message credits monthly
- 500 links per month
Pro
$90/mo
- 5 chatbots
- 15,000 message credits monthly
- 3 users
Ultra
$299/mo
- 10 chatbots
- Unlimited credits with your OpenAI key
Enterprise
Custom
- White-labeling
- Custom hosting
- Priority support
2 plans
Free forever
Free
- 2 chatbots
- 100 messages per month
- Analytics dashboard
Enterprise
Contact sales
- Higher limits on request
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Thinkstack
- Free plan to try it out
- Many data sources for training
- Works on social messaging apps too
- Free plan has only 250 message credits
- Removing branding costs extra
- Jump from Pro to Ultra is steep
Chunky
- Quick setup from a single URL
- Free plan with no card needed
- Direct support from the founders
- Free plan allows only 100 messages a month
- Paid plan prices are not published
- Few advanced features listed
Which one should you choose?
Choose Thinkstack if you want:
- Free plan to try it out
- Many data sources for training
- Works on social messaging apps too
Watch out: free plan has only 250 message credits.
Choose Chunky if you want:
- Quick setup from a single URL
- Free plan with no card needed
- Direct support from the founders
Watch out: free plan allows only 100 messages a month.
Thinkstack vs Chunky FAQ
What is the difference between Thinkstack and Chunky?
Thinkstack: No-code AI chatbot builder for support and sales on your website. Chunky: No-code chatbot builder trained on your PDFs or website. Both are customer support tools.
Is Thinkstack or Chunky cheaper?
Thinkstack starts at $16/mo and Chunky starts at See pricing page. Check both pricing pages for current plans.
Do Thinkstack and Chunky have free plans?
Thinkstack: Yes. Chunky: Yes.
Who makes Thinkstack?
Thinkstack is made by Thinkstack.
Who makes Chunky?
Chunky is made by Chunky.
Which should I choose, Thinkstack or Chunky?
Choose Thinkstack if you value free plan to try it out and many data sources for training. Choose Chunky if you value quick setup from a single url and free plan with no card needed.