ChatFast
ChatFast is a platform designed to empower businesses with a 24/7 AI chatbot. The AI chatbot has a range of functionalities, including answering customer questi...
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What is ChatFast?
ChatFast is a complete platform for building reliable AI agents that handle complex knowledge bases at scale. Unlike regular chatbot builders that stop at a widget, ChatFast ingests entire websites, PDFs, help centers, policies, papers, FAQs, and service pages through production-ready ingestion workflows. The platform deploys agents that answer questions from retrieved evidence with citations, a traceable reasoning record, and human handoff capabilities.
Key features include: clean & ingest workflows that remove noisy content while preserving structure; a graph knowledge base that organizes sources into a connected layer for relationship-aware retrieval; and agentic retrieval that refines evidence when confidence is low before responding. The agent shows citations and traceable reasoning so users can verify the evidence. ChatFast also executes actions by capturing contact details, triggering forms, summarizing conversations, and notifying the right team for follow-up.
ChatFast is designed for teams running production knowledge who need scale ingestion, grounded answers, and operational follow-through. It's ideal for businesses with large websites, complex help centers, nested policies, and changing source libraries. The platform supports 50+ languages, plain text, PDFs, and website URLs, with less than 1.0% unsupported claim rate and 99% of answers with citations.
ChatFast pricing
Pricing model: Freemium
Free tier: 1 chatbot, 15 message credits/day, 100,000 characters, GPT-3.5 only. Starter plan: $29/month for small teams (<10 members), 5 chatbots, 2,000 message credits, 2,000,000 characters, lead capture, custom Q&A, all GPT models. Pro plan: $89/month for small teams (<10 members), 8 chatbots, 8,000 message credits, 7,000,000 characters, lead capture, custom Q&A, all GPT models. Enterprise plan: $289/month for large teams (>10 members), 15 chatbots, 30,000 message credits, 15,000,000 characters, lead capture, custom Q&A, all GPT models. 14-day free trial available with no credit card required. Custom plans available by contacting the team.
ChatFast pros
- Ingests entire websites, PDFs, and knowledge bases at scale
- Delivers 99% answers with citations for verification
- <1.0% unsupported claim rate for high reliability
- Traceable reasoning record shows how answers are derived
- Human handoff capability when conversations need follow-up
- Captures contact details and triggers forms automatically
- Summarizes conversations for team review
- Notifies the right team for follow-up actions
- Graph knowledge base with relationship-aware retrieval
- Agentic retrieval refines evidence when confidence is low
- Clean & ingest workflow removes noisy content
- Preserves useful structure from source documents
- Supports 50+ languages for global audiences
- 14-day free trial with no credit card required
- No coding knowledge needed to set up
- 100k+ indexed data sources in production
- Works with help centers, policies, papers, and FAQs
- Auditable knowledge structure for compliance
- Confidence-aware retrieval improves accuracy
- Evidence refinement loop before responding
ChatFast cons
- API access only available with paid subscription
- Free tier limited to GPT-3.5 model only
- Free tier only 15 message credits per day
- Free tier limited to 1 chatbot maximum
- Small teams plan capped at 2,000 message credits
- No explicit enterprise plan with custom pricing
- Limited documentation on advanced customization
- Original FAQ section on website appears incomplete
Frequently asked questions about ChatFast
What is ChatFast and how does it differ from regular chatbots?
ChatFast is a complete platform for building reliable AI agents, not just a chatbot widget. It ingests large websites, PDFs, and knowledge bases at scale, deploys agents that answer from retrieved evidence with citations and traceable reasoning, and executes actions like capturing contacts and triggering forms. Regular chatbots struggle with complex websites, rely on simple search-and-retrieve, and stop at chat instead of routing follow-up to teams.
How does ChatFast ensure answer accuracy and reliability?
ChatFast achieves less than 1.0% unsupported claim rate and 99% answers with citations through agentic retrieval that refines evidence when confidence is low. The platform cleans noisy content, preserves useful structure, builds a graph knowledge base with relationship-aware retrieval, and uses a confidence-aware retrieval loop that retrieves more evidence before responding if not confident.
What data sources can ChatFast ingest?
ChatFast can ingest entire websites, help centers, PDFs, policies, papers, FAQs, service pages, plain text files, and website URLs. It supports 50+ languages and has already indexed 100k+ data sources in production.
Does ChatFast provide citations for answers?
Yes, 99% of ChatFast answers include citations. The agent writes from retrieved source passages and shows citations along with a traceable reasoning record so users can check the evidence behind each response.
Can ChatFast capture leads and trigger workflows?
Yes, ChatFast executes actions by capturing contact details from visitors, triggering forms, summarizing conversations, and notifying the right team when a conversation needs follow-up. This turns reliable answers into production workflows.
What AI models does ChatFast support?
The Free tier uses GPT-3.5 only. All paid plans (Starter at $29/month, Pro at $89/month, and Enterprise at $289/month) include access to all GPT models.
Is there a free trial or free tier available?
Yes, ChatFast offers a 14-day free trial with no credit card required. There's also a Free tier for starters and hobbyists with 1 chatbot, 15 message credits/day, 100,000 characters, and GPT-3.5.
How does the graph knowledge base work?
ChatFast organizes sources into a connected knowledge layer called a graph knowledge base. This enables connected source context, relationship-aware retrieval, and an auditable knowledge structure so agents can reason across related pages, files, and concepts.
What happens when the agent is not confident in an answer?
When ChatFast is not confident, it goes back to the knowledge base, retrieves more evidence through its evidence refinement loop, and refines the answer before responding. This confidence-aware retrieval improves accuracy.
Can I access ChatFast through an API?
Yes, you can talk to chatbots using ChatFast's API if you currently have a paid subscription. You can get your API key from the Dashboard under Subscription API Keys in the first section of the page. The endpoint is POST https://api.chatfast.io/v1/chat/send-message.