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AI agent builder metered by message credits, from $40 a month.
Chatbase alternativeHead-to-head comparison
Chatbase vs CustomGPT.ai: knowledge chatbots compared
Chatbase suits businesses that want to start free and reach customers on Slack, Messenger, Instagram, or WhatsApp. CustomGPT.ai suits teams with large document libraries that want many knowledge agents. InsertChat is the stronger third option when customers also call, email, and text, from $98 per month.
Chatbase vs CustomGPT.ai vs InsertChat at a glance
Chatbase details checked on from Chatbase’s public pricing page; CustomGPT.ai details checked on from CustomGPT.ai’s public pricing page. Prices are in USD as listed; vendors change plans, so confirm current terms with each linked source.
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| Compared | Chatbase | CustomGPT.ai | InsertChat |
|---|---|---|---|
| Pricing model | Hobby ($40), Standard ($150), and Pro ($500) a month, plus custom Enterprise; 20% off yearly Source | Standard $99 and Premium $499 a month, or $89 and $449 billed annually; Enterprise custom Source | Pro, Growth, Scale, and Enterprise plans with monthly AI credits included. Annual billing costs ten monthly payments, paid upfront. Details |
| What is metered | Message credits (700, 4,000, or 15,000 a month); an extra 1,000 cost $40 Source | Queries: 1,000 a month on Standard and 5,000 on Premium, shared across agents; documents and word storage are also capped Source | AI credits from one monthly allowance. Use depends on the model, conversation length, knowledge processing, and tools; calls round up to whole minutes. Details |
| Channels | Chat, email, and voice, with voice from Standard; WhatsApp, Slack, Messenger, and Instagram integrations Source | Slack deployment listed on every plan; other deployment channels are not itemized on the pricing page Source | Website chat, phone, email, SMS, and WhatsApp in one shared inbox Details |
| Human handoff | Helpdesk from the $150 Standard plan Source | Not verified | Your own team takes over in the shared inbox with the full conversation, on every plan Details |
| Knowledge sources | Not verified | Websites, helpdesks, knowledge bases, 1,400+ document formats, YouTube, audio, and podcasts, with connectors such as Google Drive and Notion Source | Website URLs, documents, questions and answers, audio and video files, and product information (1,000 sources on Pro) Details |
| Booking | Calendly integration Source | Not verified | Books into the built-in calendar, Google Calendar, Outlook, Calendly, or Cal.com, automatically or after your team’s approval Details |
| Entry price | $40 a month (Hobby) with a 7-day trial; no free plan is listed Source | $99 a month, or $89 billed annually (Standard), with a 7-day free trial Source | Pro at $98/month, or $81.67/month billed annually, with 5,000 credits, 3 assistants, and 3 seats Details |
| Notable limits | One AI agent per plan ($25 a month per extra agent); removing Chatbase branding is $99 a month Source | Responses stop when the monthly query limit is reached; removing CustomGPT.ai branding needs Premium Source | Additional phone numbers, SMS, WhatsApp, and other connected services can carry their own charges; analytics and reports start on Scale Details |
“Not verified” means our check did not confirm this detail. Ask the vendor before deciding.
How Chatbase and CustomGPT.ai compare
Plan prices
Chatbase lists a free plan, then Hobby at $40, Standard at $150, and Pro at $500 a month, metered by message credits; 1,000 extra credits cost $40. CustomGPT.ai lists Standard at $99 a month, or $89 billed annually, with 1,000 queries and 10 agents, and Premium at $499 with 5,000 queries and 25 agents.
When you hit the limit
CustomGPT.ai stops answering new queries at the monthly limit, counted across all agents. Chatbase sells more message credits at $40 per 1,000. InsertChat draws calls and conversations from one allowance, 5,000 credits a month on Pro, and its pricing page includes a usage estimator.
Estimate your InsertChat usage
Knowledge sources
CustomGPT.ai lists websites, helpdesks, 1,400+ document formats, YouTube, audio, and podcasts, with connectors such as Google Drive and Notion. Our check of Chatbase’s pricing page did not confirm its source types. InsertChat learns from website URLs, documents, Q&A, audio and video files, and product information, with 1,000 sources on Pro.
Branding
Chatbase removes its branding for $99 a month; CustomGPT.ai removes it on Premium. InsertChat shows your logo and assistant styling on every plan.
Phone and handoff
Chatbase lists voice among its channels. CustomGPT.ai’s pricing page lists Slack and doesn’t itemize other channels or human handoff. InsertChat’s AI receptionist answers your business number, and your team takes over in a shared inbox.
Chatbase, CustomGPT.ai, or InsertChat?
Choose Chatbase if
- You want to start on a free plan.
- You want Slack, Messenger, or Instagram as channels.
- You prefer paying for message credits.
Choose CustomGPT.ai if
- You have a large document library: Standard allows 5,000 documents per agent.
- You want 10 to 25 agents for different teams or knowledge sets.
- You want connectors for Confluence, Google Drive, Notion, or SharePoint, or a RAG API.
Choose InsertChat if
- You want calls, email, SMS, and WhatsApp answered by the same assistant as chat.
- You want your team to take over in a shared inbox with contacts and history.
- You want the assistant to book appointments and run actions in HubSpot, Zoho, Stripe, or Zendesk.
- You want your logo on your entry plan without a branding add-on.
Compare each one with InsertChat
InsertChat vs CustomGPT.ai
Knowledge-based AI agent builder priced by monthly queries, with 10 agents on its entry plan.
CustomGPT.ai alternative
InsertChat pricing
Pro, Growth, Scale, and Enterprise plans with monthly AI credits, from $98 per month, plus a usage estimator for your own call and chat volume.
See plans and pricingChatbase’s paid plans start lower, at $40 for Hobby, against CustomGPT.ai’s $99 Standard ($89 billed annually). The two meter different units, message credits and queries, so compare them on your real volume. InsertChat Pro is $98 per month with 5,000 monthly AI credits for calls and messages.
Its pricing page says responses to new queries stop at the monthly query limit, and new indexing stops at the word limit. Queries are counted per account across all agents.
Chatbase lists voice among its channels. CustomGPT.ai’s pricing page does not list phone calls. InsertChat’s AI receptionist answers your business number on every paid plan, with calls in the same inbox as chat.
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