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In short
- GoHighLevel Voice AI is a no-code phone agent built into the CRM, calendars, and workflows.
- Retell is a developer platform for building custom voice agents with APIs.
- Both bill voice by the minute. Verify current Retell pricing at retellai.com.
Feature by feature
| Feature | GoHighLevel | Retell |
|---|---|---|
| Who it is for | Agencies and local businesses, no code | Developers building custom voice agents |
| Setup effort | Configure in the dashboard, point at a calendar | Build with APIs and your own backend |
| Built-in CRM | Yes, the agent reads and writes contact records | No, you connect your own systems |
| Appointment booking | Native, books into GoHighLevel calendars | Build it yourself with function calls |
| Telephony | Built-in phone numbers in the platform | Bring your own provider (for example Twilio) |
| Model and voice control | Managed inside the platform | More control over the call pipeline |
| Workflows after a call | Native, triggers GoHighLevel workflows | Wire up your own automation |
| Pricing model | Per minute on top of the plan (from $97/mo) | Per minute, verify at retellai.com |
| Free trial | 30 days via RocketLauncher (vs 14 direct) | Verify trial or credits at vendor |
GoHighLevel plan pricing is current as of the updated date. Voice AI is billed by the minute on both platforms. We do not list Retell prices because they change. Check retellai.com for today's rates.
What each one is
GoHighLevel Voice AI is a voice agent built into the GoHighLevel platform. It answers and places calls, follows a script and a knowledge base, books appointments into your calendars, and updates contact records. You set it up in the dashboard, not in code.
Retell is a developer-focused platform for building voice agents. It gives you APIs and tools to design the call pipeline, connect models, and handle real-time conversation, then you build and host the logic. It is flexible and fast for engineers, but it expects code.
Setup and build effort
With GoHighLevel, you configure the agent in the dashboard: write a prompt, add a knowledge base from your business info, connect a calendar, and assign a phone number. A non-developer can launch a working booking agent the same day.
With Retell, you build the agent through its API and dashboard, define the conversation flow and functions, and connect your own backend for anything beyond the call itself. That control suits product teams but needs engineering time.
CRM and follow-up
The GoHighLevel agent sits next to your contacts. It can read a caller record, write notes, tag the contact, and trigger a workflow after the call, such as a confirmation text or a nurture sequence, with no glue code.
Retell does not include a CRM. You connect your own database or CRM through function calls and webhooks, and you build the follow-up yourself. Good for a custom build, slower for a typical service business.
Telephony and phone numbers
GoHighLevel includes its own phone system. You buy numbers inside the platform, and calls, texts, and the voice agent all run through it, billed by usage.
Retell connects to a telephony provider such as Twilio. That gives you provider choice and control, but it is another account to set up and bill alongside the agent.
Model and voice control
Retell gives developers control over the call pipeline, including how speech, language, and voice models fit together and how the agent handles real-time turns. If low latency and tuning matter for your product, that control helps.
GoHighLevel manages the model stack inside the platform. You shape the agent through the prompt and knowledge base rather than tuning the pipeline. Less control, much less to maintain.
Pricing
GoHighLevel plans start at $97 per month, and voice AI is billed by the minute on top of the plan along with email, SMS, and other AI usage. The CRM, calendars, and workflows are in the same bill.
Retell bills voice usage by the minute, and you also pay your own telephony and any model costs. We do not quote a number because it changes. Check retellai.com for current rates and add your provider costs.
Who should choose each
Choose Retell if you are a developer or product team building a custom voice agent and you want control over the call pipeline, models, and integrations.
Choose GoHighLevel Voice AI if you run an agency or a local business and want a phone agent that books appointments and updates your CRM without code, inside the platform you already use to run the business.
How to switch from Retell to GoHighLevel Voice AI
Start a 30-day GoHighLevel trial through RocketLauncher. Take the prompt and conversation goals you built in Retell and recreate them in the GoHighLevel agent, then load a knowledge base from your business information.
Connect a GoHighLevel calendar so the agent can book, assign a phone number, and run a few test calls. Once booking and follow-up work, point your live number at the GoHighLevel agent and retire the custom Retell setup. You trade pipeline control for a much shorter build.