Shortlist by what you need
Start here if you know why you are leaving ChatFast.
Want the closest match?
HeymarketMost similar to ChatFast in what it does, its category and its price.
Visit (opens Heymarket in a new tab)Need a free plan?
PresbotHas a free plan, rated 3.1 out of 5. ChatFast has none.
Visit (opens Presbot in a new tab)Want to pay less than ChatFast?
KotaeFrom $9/mo, against from $35/mo for ChatFast.
Visit (opens Kotae in a new tab)Want the best rated?
HelpjuiceRated 3.8 out of 5 in our review, against 3.9 for ChatFast.
Visit (opens Helpjuice in a new tab)
At a glance
Green means better than ChatFast, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 3.9 | $35/mo | No | 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. | ||
| 3.7−0.2 | Not listed | No | Three specialized AI Agents handle Q&A, appointment scheduling, and lead enrichment via text - so your shared inbox needs less manual coordination. | vs ChatFast | |
| 3.1−0.8 | Free | YesChatFast has none | You write the answers, Presbot decides when to use them - a website assistant that only collects contact details once a visitor actually needs follow-up, free to create, no credit card. | vs ChatFast | |
| 3.8−0.1 | Not listed | No | "Re-built With AI In Mind" - AI Swifty conversational search, Ask AI, and context-aware search claim an 87.5% average search success rate. | vs ChatFast | |
| 3.8−0.1 | $9/mo$26 less | No | A no-code AI chatbot from Tokyo Techies that trains on a website in minutes to answer customer questions in 80+ languages. | vs ChatFast | |
| 3.6−0.3 | Not listed | No | No-code 24/7 support chatbot trained on your own site and documents - deploys in minutes with lead capture and meeting scheduling built in. | vs ChatFast | |
| 3.8−0.1 | Not listed | No | AI built into every help desk workflow - ticket summarization, draft replies, an AI Contact Center with voice, and a 24/7 self-service chatbot. | vs ChatFast | |
| 3.8−0.1 | $10/mo$25 less | No | AI Chatbot, Answer Improver, and Answer Composer aim to automate up to 75% of conversations, with a free AI Agent promo bundled into every trial. | vs ChatFast | |
| 3.4−0.5 | Not listed | No | No-code AI agents that take real action - book appointments, process orders, update tickets - across 100+ languages and every channel, resolving up to 90% of repeat queries end-to-end. | vs ChatFast |
The alternatives in detail
In order of how closely each one matches ChatFast.

Heymarket
3.7Not listed
vs ChatFast−0.2
Three specialized AI Agents handle Q&A, appointment scheduling, and lead enrichment via text - so your shared inbox needs less manual coordination.
- Q&A Agent - answers FAQs from your knowledge base
- Scheduling Agent - books and reschedules appointments via text
- Lead Enrichment Agent - extracts and syncs customer data to CRM
Specialized agents per function tend to perform more reliably than one generic AI chatbot
No pricing disclosed on the homepage

Presbot
3.1Free
vs ChatFast−0.8Free plan
You write the answers, Presbot decides when to use them - a website assistant that only collects contact details once a visitor actually needs follow-up, free to create, no credit card.
- Business-controlled saved answers, not open-ended LLM responses
- Website-knowledge-grounded answers for broader questions
- Contact collection only triggered when follow-up is needed
Clear content boundaries - businesses control what the assistant says
Detailed pricing tiers aren't shown on the main page

Helpjuice
3.8Not listed
vs ChatFast−0.1
"Re-built With AI In Mind" - AI Swifty conversational search, Ask AI, and context-aware search claim an 87.5% average search success rate.
- AI Swifty conversational search and Ask AI
- Context- and intent-aware search, not just keyword matching
- Content auto-generation from Slack, tickets, and emails
Auto-generating draft articles from existing team conversations solves a real bottleneck
Specific pricing tiers require visiting a separate page

Kotae
3.8$9/mo
vs ChatFast$26 less−0.1
A no-code AI chatbot from Tokyo Techies that trains on a website in minutes to answer customer questions in 80+ languages.
- Trains on existing website content in minutes
- Text chat and real-time voice support
- Coverage across 80+ languages
accessible entry price ($9/month) for a small-business support tool
$9/month Premium plan caps out at 4,000 questions before needing a higher tier

WebAgent.ai
3.6Not listed
vs ChatFast−0.3
No-code 24/7 support chatbot trained on your own site and documents - deploys in minutes with lead capture and meeting scheduling built in.
- No-code chatbot trained on your website and documents
- Lead generation and meeting scheduling built in
- Customer behavior analytics
Minutes-to-deploy setup with no engineering resources required
Answer quality depends on how complete the source content is

HappyFox
3.8Not listed
vs ChatFast−0.1
AI built into every help desk workflow - ticket summarization, draft replies, an AI Contact Center with voice, and a 24/7 self-service chatbot.
- Ticket summarization and AI-drafted reply generation
- Mid-conversation knowledge surfacing for agents
- AI Contact Center with voice AI
Mid-conversation knowledge surfacing genuinely changes agent workflow speed
Pricing isn't disclosed on the homepage

LiveAgent
3.8$10/mo
vs ChatFast$25 less−0.1
AI Chatbot, Answer Improver, and Answer Composer aim to automate up to 75% of conversations, with a free AI Agent promo bundled into every trial.
- AI Chatbot for automated first-response handling
- Answer Improver for refining agent-drafted replies
- Answer Composer for drafting responses from scratch
Three distinct AI tools cover multiple points in the support workflow
No permanent free plan

YourGPT
3.4Not listed
vs ChatFast−0.5
No-code AI agents that take real action - book appointments, process orders, update tickets - across 100+ languages and every channel, resolving up to 90% of repeat queries end-to-end.
- Agentic AI takes real action - bookings, orders, ticket updates
- Multi-model support - OpenAI, Anthropic, Google, xAI, DeepSeek
- 100+ language auto-detection and response
Genuinely switchable across five major model providers
Specific pricing tiers aren't published on the site
FAQ
Questions people ask
Is ChatFast free?
ChatFast does not list a free plan. Paid plans start from $35/mo.
What is the best free alternative to ChatFast?
Presbot is the highest-rated alternative here with a free plan (3.1 out of 5).
What is the cheapest alternative to ChatFast?
Among paid plans, Kotae has the lowest starting price (from $9/mo). If you need it free, start with Presbot.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
