Free trial
A free start is offered with no credit card required; the homepage does not state how long the free access lasts or what limits apply.
Learn moreGPT Trainer
Build text and voice AI agents that handle customer support end to end.
Beginner API
What is GPT Trainer?
GPT Trainer is an AI calls tool that builds text and voice AI agents that handle customer support end to end. A platform for building text and voice AI agents that resolve support tickets, qualify leads and run outbound calls, with document training, CRM integrations and multi-agent routing.
GPT Trainer is a no-code and API platform for building AI agents that handle customer conversations across phone calls, email, SMS, web chat and social media. The product is positioned squarely at support and revenue teams: an agent can greet a customer, verify identity, run a lookup against an order table and answer from a knowledge base without a human touching the thread. Setup is pitched at roughly ten minutes, and the company reports automated resolution rates above 70 percent for customers scaling support with agents. The build model rests on retrieval. Teams upload PDFs, Word and Excel files, slides, web pages, Markdown and embedded tables as training data, and the agent answers from that corpus. A multi-agent architecture lets an AI supervisor route by intent to specialised agents, while background agents label conversations and alert human operators. Tools and MCP support let agents act rather than only answer: booking a calendar slot, pulling live data, or posting structured JSON back to a CRM. The voice layer is the other half. GPT Trainer advertises sub-500ms response times, batch outbound calling campaigns with rotating number sets, templated follow-up sequences that remember earlier interactions, and configurable call transfer rules so a human closer takes over once a lead qualifies. Model choice spans OpenAI, Anthropic, Google, Mistral and DeepSeek, with dedicated hosting for custom or fine-tuned models. This is a fit for support operations, sales development and internal help desks that want one platform for text and voice rather than stitching a chatbot onto a separate telephony vendor. Buyers weighing it against single-channel chatbot builders should note that depth comes with configuration work: the strongest results in the published case studies come from teams that invested in data prep and testing.
How do you use GPT Trainer?
1Create your account
Sign up with the free start link. No credit card is required, so you can explore the builder before committing to a plan.
2Upload training data
Add the documents the agent should answer from: PDFs, slides, spreadsheets, web pages and Markdown. The retrieval pipeline indexes tables and embedded images alongside text.
3Shape the agent and pick a model
Set the persona and brand voice, then choose a model from OpenAI, Anthropic, Google, Mistral or DeepSeek. Add tools or MCP servers if the agent needs to take actions.4Test and refine
Run sample conversations against the knowledge base and correct weak answers. The self-learning suite is built for repeated testing before launch.5Deploy across channels
Publish to web chat, email, SMS, phone and social channels including Messenger, Instagram and WhatsApp, or embed on Slack, Notion, WordPress and Webflow.6Monitor and escalate
Review transcripts, extract structured data, set real-time alerts and configure transfer rules so promising conversations reach a human rep.
Pros and cons
Pros
- Covers voice and text agents in one product, including phone calls, SMS, email, web chat and social channelsAI
- Trains on a wide range of sources including PDFs, slides, spreadsheets and web pages with cited retrievalAI
- MCP and function calling let agents take real actions such as calendar booking and CRM lookupsAI
- Configurable call transfer and escalation rules keep humans in the loop when conversations warrant itAI
- Compliance posture is documented: SOC 2, ISO 27001 and GDPR, with EU server options and DPAsAI
Cons
- No public pricing tiers or plan limits on the homepage, so cost has to be established through a demo or signupAI
- The breadth of channels, agents and integrations means meaningful setup work despite the ten minute claimAI
- Performance depends heavily on the quality of uploaded documents; messy source data will surface in answersAI
- Voice quality and latency claims are vendor reported and should be tested against your own call recordingsAI
How much does GPT Trainer cost?
Support
The trust center documents security and compliance practices, and demo booking is available from the homepage; specific support channels and response times are not listed.
Learn moreIntegrations
CRM connections with structured JSON export and webhook triggers, plus workflow automation through Make, Zapier and n8n and deployments on Slack, Notion, WordPress and Webflow. An API supports custom connectors.
Features
Document extraction from PDFs, slides, spreadsheets, web pages and Markdown with a RAG pipeline; native support for OpenAI, Anthropic, Google, Mistral and DeepSeek models; multi-agent architecture with intent routing and background monitoring agents; MCP servers and function calling for autonomous actions; voice agents with batch calling, follow-up workflows and call transfer; omnichannel inbox; CRM sync and webhook automation.
Learn moreFrequently asked questions about GPT Trainer
Does GPT Trainer offer a free trial?
A free start is offered with no credit card required; the homepage does not state how long the free access lasts or what limits apply.Does GPT Trainer have an API?
Yes, GPT Trainer offers an API.How do you use GPT Trainer?
The walkthrough on this page covers 6 steps: 1. Create your account 2. Upload training data 3. Shape the agent and pick a model 4. Test and refine 5. Deploy across channels 6. Monitor and escalate.What platforms does GPT Trainer support?
GPT Trainer is available on Web App.What does GPT Trainer integrate with?
CRM connections with structured JSON export and webhook triggers, plus workflow automation through Make, Zapier and n8n and deployments on Slack, Notion, WordPress and Webflow. An API supports custom connectors.What are the limitations of GPT Trainer?
No public pricing tiers or plan limits on the homepage, so cost has to be established through a demo or signup. The breadth of channels, agents and integrations means meaningful setup work despite the ten minute claim. Performance depends heavily on the quality of uploaded documents; messy source data will surface in answers.
Status
StatusActive
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Added10/21/2026
Platforms
Web App
Pricing
FreemiumSubscription
