ChatFast
Build AI agents that resolve requests and capture opportunities from your knowledge base.
If you're drowning in repetitive questions and need answers your customers can trust, ChatFast is worth it — the cited answers and no-guess policy beat generic chatbots. Just watch the credits on high-volume traffic, and note that pricing jumps from $35 to $325 are steep for mid-sized teams.
Verified 13d ago · liveness 60/100 · cite: rightaichoice.com/tools/chatfast
- Support teams with large, messy documentation needing cited, accurate answers
- Sales teams wanting lead capture and qualification inside the chat
- Knowledge teams building internal AI agents over PDFs and help centers
- Companies that need human handoff with complete transcripts
- Users needing a free, unlimited chatbot
- Complete beginners wanting zero-setup widget
- Simple FAQ over a single document — overkill
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Skip ChatFast if you need a free unlimited chatbot, want zero setup, only have a simple FAQ over one document, run high-volume traffic on a tight budget where credits run out, or lack time to curate sources and test answers.
Going past 1,000 trial credits requires a paid plan; each standard message consumes 10 credits, so 100 messages exhaust the trial.
ChatFast fits growing support and sales teams that need cited, accurate answers and are willing to pay per usage. At $35/month Basic it's cheaper than Intercom or Zendesk AI, but more expensive than simple chatbot builders. Credit-based pricing scales with conversation volume, so high-volume sites should budget for Premium ($100) or Elite ($325).
In short
ChatFast — Build AI agents that resolve requests and capture opportunities from your knowledge base. Best for Support teams with large, messy documentation needing cited, accurate answers, Sales teams wanting lead capture and qualification inside the chat, Knowledge teams building internal AI agents over PDFs and help centers. Free to start; paid plans from $35/mo.
What's new in ChatFast
Checked yesterdayAcross the latest 2 updates: 1 feature update and 1 launch.
V3: New agents, not legacy chatbots
ChatFast V3 replaces scripted chat windows with agents that use knowledge, collect context, and hand exceptions back to the team.
Rebuilt knowledge ingestion in ChatFast
ChatFast rebuilt how content becomes agent knowledge: site crawl, file uploads including scanned PDFs, live indexing, cleaner answers.
Viability Score
How well maintained and how widely used is ChatFast? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: September 2026
How we score →Key Features
- Reason across websites, help centers, PDFs, and Q&A entries
- Cites every answer and refuses to guess when info is missing
- Collects contact details (email, company, team size) in chat
- Hands off exceptions with full transcript and contact info
- Action workflows: send email, call API, open link
- Playground to test real support and edge-case questions
- Insights dashboard with low-confidence flags
- Multi-language support with auto-detect or pinned language
- Runs on Claude, GPT, Gemini, and Grok models
- Live indexing for website and document sources
- Scanned PDF support in knowledge ingestion
- One-line embed snippet for any site
- Credit-based usage: 10 per standard, 25 per advanced message
- 14-day free trial, no credit card required
- Unlimited agents on paid plans (fair use)
About ChatFast
ChatFast is the platform for teams that need more than a FAQ bot — it lets you build specialized AI agents that reason across your knowledge base to resolve customer requests, capture qualified intent, and hand off complete exceptions to your team. Built for sales, customer support, and research teams, the agent connects to your website, help center, PDFs, and Q&A entries, then uses frontier models (Claude, GPT, Gemini, Grok) to work through complex, multi-part questions — citing every answer and refusing to guess when information is missing. What sets ChatFast apart is the focus on outcomes beyond the chat. The agent collects the details your team needs (like email, company, team size) while the visitor is still engaged, then triggers your own actions — sending an email, calling an API, or opening a link. Exceptions reach a person with the full transcript and contact info already attached, and the agent stops replying the moment a human takes over. You validate answers in a playground before deploying, then refine based on real conversations and low-confidence flags. V3 upgrades push it further away from legacy chatbots: a rebuilt ingestion pipeline handles live indexing for websites and documents, supports scanned PDFs, and makes corrections stick — update a source, re-index, and the agent answers from the new version. The metrics are clear: 94% response accuracy vs 48% for traditional chatbots, and 82% customer retention vs 55%. Pricing is credit-based with a 14-day free trial (1,000 credits), scaling to $35/month Basic, $100/month Premium, $325/month Elite, and custom Enterprise. Your data never trains a foundation model — it stays private to your workspace. If you need grounded, cited answers from messy documentation, and you want them to capture leads, ChatFast is a direct upgrade over generic chatbot widgets.
Behind the Verdict
Here's the thing: most chatbot tools give you a scripted widget and call it a day. ChatFast treats your knowledge base as the product. The agent reasons across multiple sources — not just nearest-match retrieval — and it commits to an answer only when your sources support it. That's the difference between fielding 50% of questions and 94% of them. We'd reach for ChatFast when you have real documentation — help centers, PDFs, Q&A — and you need answers that don't hallucinate. The playground is a nice touch: you test real customer questions before they hit your site, and corrections you make stick. That 'correct it once, it holds' approach is exactly what support teams need. Where it bites: cost. The credit system charges per user message, 10 for basic, 25 for advanced on Premium+. On a high-traffic site, 10,000 credits a month can vanish fast — 1,000 conversations and you're out. The jump from $35 to $100 is steep if you need standard reasoning at scale, and Elite's $325 price tag is real commitment. If you're a small team with modest volume, the free trial's 1,000 credits might not even last two weeks. The closest alternative is a generic chatbot like Tawk.to or Intercom's answer bot. But those are keyword-matchers — they return the nearest canned reply and don't cite sources. ChatFast's 94% vs 48% accuracy claim is bold, and while we'd want to see it audited, the grounded approach gives it credibility. If you need lead capture inside the chat, that's not something a help desk bot does. In practice, we'd pick ChatFast over building a custom RAG pipeline if you want speed and a managed interface. But if you're a developer who needs full control, or you're running a simple FAQ on a single page, the overhead and credits are overkill. Review your sources first — the
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Real-world workflow fit
Concrete scenarios for the personas ChatFast actually fits — and what changes day-one when you adopt it.
Connect website, help center, and refund policy PDF to a new agent. Define what it resolves, collects, and escalates. Test in playground, deploy snippet, review low-confidence answers weekly.
Outcome: Agent answers common questions with citations, captures contact details for follow-up, and hands off complex tickets with full transcript — reducing ticket volume and improving response accuracy.
Build an agent over product pages, pricing PDF, and Q&A entries. Configure lead collection (email, company, team size) and trigger a call-to-API workflow when visitors request a demo.
Outcome: Agent qualifies leads inside the chat and fires your API to create CRM records — capturing opportunities while visitors are still engaged.
Ingest help center and scanned PDFs across languages. Pin the agent to auto-detect visitor language and answer in their language. Review insights for low-confidence flags and add Q&A entries to fix gaps.
Outcome: A multi-language self-serve agent resolves requests with evidence-backed answers, reducing support load and improving customer retention.
Use Cases
- Deploy a customer support agent that cites refund policies from PDFs and website.
- Build an internal knowledge agent for HR policy queries with traced answers.
- Automate first-line support and escalate complex issues with full transcript.
- Capture leads and qualify them inside the chat with custom questions.
- Ingest competitor documentation for research and competitive analysis.
- Reduce ticket volume by answering common questions from help center articles.
- Trigger follow-up actions like email or API calls when visitors ask for demos.
Models Under the Hood
as of 2026-09-09
Limitations
- Usage is metered by credits (10 per standard message, 25 per advanced).
- Storage is capped per plan (5 MB on trial, 50 MB Basic, 500 MB Premium, 5 GB Elite).
- Advanced reasoning mode requires Elite ($325/mo).
- Unlimited agents subject to fair-use.
- No free tier beyond 14-day trial.
as of 2026-08-27
Verification history
We have re-verified ChatFast 6 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Free to cite with attribution — this page re-verifies continuously.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published ChatFast tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Trial
$0
Ideal for
Solo evaluators or small teams wanting to test ChatFast with one agent and 1,000 credits — enough to validate the no-guess behavior and playground before committing.
What this tier adds
Free entry point: 1 agent, 1,000 credits, 5 MB storage, community support, no credit card required.
Basic
$35/month
Ideal for
Growing support or sales teams launching their first live agent with moderate conversation volume — 3,000 credits covers roughly 300 standard messages.
What this tier adds
Adds unlimited agents (fair use), 3,000 credits/month, 50 MB storage, standard reasoning at 10 credits/message.
Premium
$100/month
Ideal for
Teams with steady support traffic needing 10,000 credits/month and 500 MB storage — the most popular tier for scaling AI workflows.
What this tier adds
Increases credits to 10,000/month and storage to 500 MB, keeping unlimited agents and standard reasoning.
Elite
$325/month
Ideal for
High-volume teams needing advanced reasoning (25 credits/message), 35,000 credits, 5 GB storage, and no branding — power users.
What this tier adds
Adds advanced reasoning mode, 35,000 credits, 5 GB storage, removes branding, and includes priority email with 24h SLA.
Enterprise
Custom
Ideal for
Organizations with custom requirements — dedicated CSM, custom credit and storage allocation, unlimited agents.
What this tier adds
Fully custom: credits, storage, and agents tailored to organizational needs with a dedicated customer success manager.
Where the pricing makes sense
The company stage and team size where ChatFast's pricing actually pencils out — and where peers do it cheaper.
ChatFast fits growing support and sales teams that need cited, accurate answers and are willing to pay per usage. At $35/month Basic it's cheaper than Intercom or Zendesk AI, but more expensive than simple chatbot builders. Credit-based pricing scales with conversation volume, so high-volume sites should budget for Premium ($100) or Elite ($325).
Setup time & first value
How long it actually takes to get something useful out of ChatFast — broken out by persona, not the marketing-page minute.
For a support team with existing documentation, expect 1-2 hours to connect sources, define resolve/collect/escalate rules, test in the playground, and deploy the snippet. Sales teams setting up lead capture and API workflows may need 2-4 hours. Source curation and answer validation is the biggest time investment.
Switching to or from ChatFast
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- ↗To Intercom: export conversation logs and knowledge sources, then rebuild agents in Intercom's AI assistant.
- ↗To Zendesk AI: export ChatFast Q&A entries and transcripts, then import into Zendesk's answer builder.
Resources & Guides
Tutorials & Learning
YouTube returned 6 videos for “ChatFast”, and we withheld 6: 6 could not be judged, because “ChatFast” is a single word that other videos use for other things. We are showing none, because we could not prove any of them are about ChatFast.
Official links
Tools that pair well with ChatFast
Common stack mates teams adopt alongside ChatFast, with the specific reason each pairing earns its keep.
Pylon
Pylon is an agentic B2B support platform where AI agents investigate and resolve customer issues across Slack, Teams, email, and phone.
Yuma AI
Yuma AI agents autonomously resolve up to 89% of ecommerce support tickets, sales questions, and social DMs.
Freshdesk
Freshdesk is an AI-first helpdesk with Freddy AI agents that resolve customer queries automatically.
Featured Head-to-Head Comparisons
Chatfast vs Presto Voice
If you operate a QSR chain with drive-thrus and want to boost revenue via voice AI upselling, Presto Voice is the clear choice. For teams needing a reliable, citation-backed AI agent for complex knowledge bases, ChatFast is better. The tools serve entirely different domains, so pick based on your primary need.
Chatfast vs B Rokratt
Bürokratt is a must-use free tool if you're dealing with Estonian bureaucracy; ChatFast is the better pick for any business needing a trustworthy, citation-based AI agent for customer support or internal knowledge management. They serve completely different needs — choose based on your domain, not feature overlap.
Chatfast vs Truleo
Truleo and ChatFast serve completely different markets. Choose Truleo if you are a law enforcement agency needing to connect siloed data (RMS, CAD, jail calls) and automate lead generation. Choose ChatFast if you are a business needing a trustworthy AI agent for customer support or knowledge management with citations and human handoff. They are not direct competitors.
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