ChatFast vs Kotae (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Kotae
From $9/mo against from $35/mo
Free plan
Tie
Neither has one
Higher rating
ChatFast
3.9 against 3.8
Same job?
Yes
Both are Customer Support tools

Side by side

Compared on	ChatFast	Kotae
Our rating	3.9Better	3.8
Starts at	$35/mo	$9/moBetter
Free plan	No	No
Category	Customer Support	Customer Support
Plans	From $35/mo	Starter$19/mo Pro$37/mo Pro + Voice$149/mo
Key features	Reasons across a company's own sources instead of matching keywords Routes each request to the best-suited model among Claude, GPT, Gemini and Grok Collects visitor details in-conversation and hands off unanswered questions to a person Cites the sources behind every answer for review Replies automatically in whatever language a visitor writes in	Trains on existing website content in minutes Text chat and real-time voice support Coverage across 80+ languages Automatic handling of repetitive customer questions Lead-generation capture from chat interactions
Pros	A 14-day free trial with no credit card required Concrete, checkable accuracy and retention figures, not a vague claim alone Customer knowledge-base content is stated as never used for model training	accessible entry price ($9/month) for a small-business support tool No-code setup avoids needing developer time to launch 80+ language coverage suits businesses with international visitors
Cons	No social media presence found to cross-check company activity Answer quality depends entirely on how complete and current connected sources are kept Credit-based pricing means cost rises directly with conversation volume	$9/month Premium plan caps out at 4,000 questions before needing a higher tier Reported 80 percent automated-resolution rate is self-reported, not independently audited Founded in 2024, so it has a short track record outside its home market
Company	ChatFast LLC	Tokyo Techies, founded 2024

Prices come from each vendor's pricing page, last checked 20260923. Check the vendor before you buy.

FAQ

Questions people ask

Is ChatFast better than Kotae?

In our reviews ChatFast scores 3.9 and Kotae scores 3.8. The better pick depends on the job. ChatFast: AI agent platform from ChatFast LLC that answers support and sales questions by reasoning over a company's own knowledge base, with a 14-day free trial. Kotae: A no-code AI chatbot from Tokyo Techies that trains on a website in minutes to answer customer questions in 80+ languages.

Which is cheaper, ChatFast or Kotae?

Kotae has the lower starting price: from $35/mo for ChatFast and from $9/mo for Kotae.

Do ChatFast and Kotae have free plans?

Neither lists a free plan.

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