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Introduction: Kastro is an AI-driven customer support platform built for startups and indie hackers. By leveraging ChatGPT, it provides 24/7 automated responses to streamline support operations, lower costs, and increase revenue. The platform integrates AI with human support, specializing in resolving repetitive inquiries and recommending relevant help center documentation.
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Kastro Product Information

What is Kastro?

Kastro is an AI-first customer support solution designed for startups and indie hackers. It uses ChatGPT to create an AI support agent that streamlines customer support, reduces expenses, and boosts revenue with 24/7 AI responses. Kastro offers an all-in-one customer support solution where AI and people work better together, focusing on handling repetitive questions and suggesting relevant articles from a help center.

How to use Kastro?

Train your AI support operator by connecting it to your existing knowledge base. Kastro will then manage repetitive inquiries, recommend relevant articles, and organize conversations, allowing your team to prioritize complex issues. Additionally, you can utilize the AI-enhanced workspace to summarize conversations, expand replies, and rephrase responses.

Kastro's Core Features

  • GPT Chatbot
  • AI Workspace
  • Help Center
  • Typing Suggestions
  • Quick Replies
  • Live Chat
  • Website Crawler
  • AI Offline Support
  • Customer Insights
  • Reporting

Kastro Use Cases

#1 Automated customer support
#2 Handling repetitive questions
#3 Suggesting help center articles
#4 Summarizing conversations
#5 Expanding replies
#6 Rephrasing answers
#7 Automated offline responses
#8 Lead generation
#9 Code assistant

FAQ from Kastro

Can I try Kastro before purchasing? +

Yes, we provide a free plan that allows you to explore Kastro's features before committing. You can learn more on our pricing page.

How are messages calculated? +

Each reply sent by Kastro up to 1,500 tokens counts as one message. Messages sent by your human operators to customers are not counted.

What happens when my message credit ends before my subscription renews? +

If your message credits are exhausted, customer inquiries will be automatically forwarded to an operator, and Kastro will stop responding.

Do you use ChatGPT (gpt-3.5-turbo) or GPT-4? +

We use gpt-3.5-turbo as the default for our chatbots, though GPT-4 is also available.

Can I use GPT-4? +

Yes, you can use GPT-4, though it consumes four times the message credits compared to the standard model.

Does it work on websites in languages other than English? +

Yes, Kastro supports websites in languages other than English.

My company needs a custom integration or custom feature that is not yet supported by Kastro. What should I do? +

If you require a custom integration or feature, you can join as an Elite customer, and we will work with you to develop a custom pricing plan tailored to your needs.

Kastro Pricing

Free

$0

Free plan available.

Related Model Comparison Pages

Use these comparison pages to understand the trade-offs between the models most relevant to Kastro.

Compare GPT 5.4 and GPT 5.4 Pro across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

Compare GPT 5.5 and GPT 5.4 across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

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