Tars vs ChatFast
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Tars starts at $499/mo and ChatFast 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
- AI agent builder
- Knowledge base training
- AI evaluation
- AI analytics
- Conversation categorizer
- Live chat handover
- Training on site, help center and files
- Answer testing playground
- Lead and detail capture
- Contextual human handoff
- One-snippet website widget
- Unlimited agents on paid plans
| Feature | Tars | ChatFast |
|---|---|---|
| Best for | AI agents that resolve support issues and qualify leads across channels | AI agents trained on your site and docs for support and sales |
| Category | Customer support | Customer support |
| Pricing model | Freemium | Free trial |
| Starting price | $499/mo | See pricing page |
| Free plan | Yes | No, 14-day trial |
| Made by | Tars | ChatFast |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Tars starts at $499/mo and ChatFast starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Freemium
Free
- 50 conversations per month
- Basic LLM models
- 5 knowledge bases
Premium
$499/mo
- From 500 conversations per month
- Advanced LLM models
Enterprise
Contact sales
- Custom volumes
- Dedicated support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Tars
- Free plan to start
- Covers support and lead capture
- Compliance for regulated industries
- Premium starts at $499 a month
- Live chat seats cost extra
- Free plan keeps data for one month
ChatFast
- Unlimited agents on every paid plan
- Test answers before going live
- Simple one-script install
- No permanent free plan
- Prices not shown in the evidence
- Few channels beyond the website widget listed
Which one should you choose?
Choose Tars if you want:
- Free plan to start
- Covers support and lead capture
- Compliance for regulated industries
Watch out: premium starts at $499 a month.
Choose ChatFast if you want:
- Unlimited agents on every paid plan
- Test answers before going live
- Simple one-script install
Watch out: no permanent free plan.
Tars vs ChatFast FAQ
What is the difference between Tars and ChatFast?
Tars: AI agents that resolve support issues and qualify leads across channels. ChatFast: AI agents trained on your site and docs for support and sales. Both are customer support tools.
Is Tars or ChatFast cheaper?
Tars starts at $499/mo and ChatFast starts at See pricing page. Check both pricing pages for current plans.
Do Tars and ChatFast have free plans?
Tars: Yes. ChatFast: No, 14-day trial.
Who makes Tars?
Tars is made by Tars.
Who makes ChatFast?
ChatFast is made by ChatFast.
Which should I choose, Tars or ChatFast?
Choose Tars if you value free plan to start and covers support and lead capture. Choose ChatFast if you value unlimited agents on every paid plan and test answers before going live.