CustomGPT Alternative: Free Plan, Real Model Choice, Built-in Live Chat
Looking for a CustomGPT alternative? SiteSpeakAI starts at $29/month with a free plan (CustomGPT is trial-only), built-in live chat and human handoff, and full model choice instead of being locked to one model.
Last updated: July 15, 2026
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TL;DR
CustomGPT starts at $99/month with no free plan, locks its Standard tier to a single model, and routes human handoff into your existing helpdesk. SiteSpeakAI starts at $29/month with a free plan, model choice across OpenAI, Anthropic, Google, and xAI, and a built-in inbox for live chat and human takeover.
The best CustomGPT alternatives, ranked
We compared the top CustomGPT alternatives on price, live chat, human handoff, and AI model choice. Here is how they stack up.
1
SiteSpeakAI BEST OVERALL
Free plan, built-in live chat and human handoff, model choice across OpenAI, Anthropic, Google, and xAI, plus free sentiment analysis and the ability to connect your own API or database. From $29/mo.
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Why people look for CustomGPT alternatives
CustomGPT is known for accurate, source-cited answers, but it asks for a premium price and locks down a few things teams expect.
No free plan on CustomGPT
Real model choice, not one locked model
Built-in live chat and human takeover
SiteSpeakAI vs CustomGPT
Compare features and see why SiteSpeakAI is the better choice
| Features | SiteSpeakAI | Botpress |
|---|---|---|
| Free Plan | ✓ Yes | ✓ Yes (Limited) |
| Pricing | From $29/month | From $49/month |
| AI Models | OpenAI, Anthropic, Google, xAI | OpenAI, Claude |
| Chat Inbox | ✓ Yes, detailed | ✓ Yes (Basic) |
| Live Chat | ✓ Yes | ✕ No |
| Escalate to Human | ✓ Yes | ✓ Yes |
| Analytics | ✓ Yes, detailed (Free) | ✕ Yes (From $49/month) |
| Chat Insights | ✓ Yes | ✕ No |
| Sentiment Analysis | ✓ Yes (Free) | ✕ No |
| API Access | ✓ Yes | ✓ Yes |
| Attach Files to Messages | ✓ Yes | ✕ No |
| Auto Sync Training Sources | ✓ Yes | ✕ No |
| Speech Recognition & TTS | ✓ Yes | ✕ No |
| Team Collaboration | ✓ Yes (From $79/month) | ✕ No |
| Page Context Awareness | ✓ Yes | ✕ No |
| Priority Support | ✓ Yes (From $79/month) | ✓ Yes (From $149/month) |
How to switch from CustomGPT to SiteSpeakAI
A simple step-by-step guide to migrate without losing conversations.
1
List your CustomGPT training sources
2
Create your SiteSpeakAI chatbot
3
Add supplementary sources
4
Pick your model and tone
5
Swap the embed code on your site
6
Cancel CustomGPT
Choose the model that fits each chatbot
Will Guthrie
Digital Marketing Manager
The platform is very intuitive to set up and use. I was able to train the chatbot directly from our site maps with ease. After creating a test page and sharing it with leadership, customer service, sales, and marketing, the reaction was unanimous, everyone was impressed!
Built-in live chat and human takeover
Marty Englander
Marketer
I think SiteSpeak is a super easy and extremely powerful tool to start installing into your website.
Train your chatbot on all of your content
Train SiteSpeakAI on your website, knowledge base, support docs, PDFs, and CSVs, and connect your own API or database for live data, so answers stay grounded in your real information.
Dave Strand
Founder
I stumbled across SiteSpeak AI while having a chat with my ChatGPT. I am absolutely gobsmacked at how good it is and how easy it has been to setup. Any concerns I had have disappeared and this certainly is the way forward. I will be using SiteSpeak AI on all my websites now.
Frequently asked questions
Everything you need to know about SiteSpeakAI. Can’t find what you’re looking for? Start a free trial and see it in action.
What is the best alternative to CustomGPT?
How does SiteSpeakAI pricing compare to CustomGPT?
Can I choose the AI model in SiteSpeakAI?
Does SiteSpeakAI have built-in live chat?
Yes. SiteSpeakAI includes its own inbox where a human agent can take over a live conversation. CustomGPT hands conversations off into the external helpdesk queue your team already uses, rather than a built-in agent inbox.
Can I migrate from CustomGPT to SiteSpeakAI?
Yes. Add the same website URLs, documents, and PDFs you used to train CustomGPT, and SiteSpeakAI will crawl and index them automatically.
CustomGPT vs SiteSpeakAI
CustomGPT has built a reputation for accurate, source-cited answers and strong anti-hallucination handling. If citation accuracy is your single priority and budget is not a constraint, it is a respected option. SiteSpeakAI also grounds answers in your own content and cites sources, using retrieval with reranking, and it does so at a lower price with fewer restrictions.
The practical differences show up in three places: the free plan, model choice, and human handoff.
Free plan, price, and model choice
CustomGPT has no free plan, only a 7-day trial that needs a card, and starts at $99/month. SiteSpeakAI has a free plan and starts at $29/month, so you can build and test on a real site before paying.
Model choice is the other gap. CustomGPT’s Standard plan is locked to a single model, and choosing the model per agent is reserved for its Enterprise tier. SiteSpeakAI lets you pick from OpenAI, Anthropic, Google, and xAI on paid plans, and bring your own keys on Pro.
Human handoff
When a conversation needs a person, CustomGPT routes it into the external helpdesk queue your team already runs. That works if you already pay for a helpdesk, but it means another tool in the loop. SiteSpeakAI includes its own inbox, so a human can take over the live conversation in the same place your visitors are chatting.
For teams that want grounded answers plus a free plan, real model choice, and built-in live chat, SiteSpeakAI covers more of the job for less.
Connects with the tools you already use
