Our Story
AI customer support for e-shops since 2023
Chaterimo launched on 1 July 2023 as a chatbot that learned from an e-shop's website. Today it is an AI customer support platform: it searches product catalogs, checks orders, hands complex requests over to people and answers customers day and night in their own language.
We see ourselves as researchers as much as product builders. Most of our work goes into how the AI finds the right answer: product search, ranking and the integration of new language models from OpenAI, Anthropic, Google and xAI.
Chaterimo was founded by David Langr and is developed in Prague, Czech Republic. We share what we learn in our public AI benchmark and in articles about AI in e-commerce.
Chaterimo at a glance
- Launched
- 1 July 2023
- Based in
- Prague, Czech Republic
- Founder
- David Langr
- Operated by
- David Langr, sole trader, Czech business ID 04617002
- Team
- An independent project: the founder develops and runs Chaterimo
- Funding
- Self-funded, no investors
- Contact
- info@chaterimo.com or the chat on this website
- E-commerce platforms
- Shoptet, Upgates, Shopify, PrestaShop, Eshop-rychle and XML feeds
- AI models
- ChatGPT, Claude, Gemini, Grok
- Languages
- Website in 8 languages, the chatbot replies in the customer's language
- Infrastructure
- Dedicated hardware in the EU
- Code updates since launch
- 2,400+
From 2023 to today
Built step by step since 2023
Chaterimo grows with the e-shops that use it. These are the milestones that shaped it.
-
2023
Launch
- 1 July: Chaterimo goes live. The chatbot learns from web pages, documents and XML product feeds.
- Add-ons for Shoptet and Upgates, with order status right in the chat.
- Claude models next to ChatGPT, and keyword search next to semantic search.
- Our own embedding service with an open-source model for semantic search.
- Facebook Messenger as a second channel.
-
2024
Deeper into e-commerce
- Contact capture and quick-help buttons in the chat.
- Shopify app and Google Gemini models.
- Shoptet catalogs sync automatically through webhooks.
- The chatbot reads the page the customer is on and can search the web.
- Hybrid search: meaning and keywords combined in one ranking.
- Eshop-rychle and Make integrations.
-
2025
More than a chat window
- Slovak and Brazilian Portuguese website, with prices in Brazilian reais.
- Tickets: requests the AI cannot solve go to people, with the whole conversation.
- Product images in answers, and replies that appear word by word.
- Webreal integration.
- Sales agent: proactive messages that start a conversation at the right moment.
- Order status button and a mobile-first chat widget.
- Vector search directly in PostgreSQL with pgvector.
-
2026Today
Research and new channels
- German, Spanish, Italian and Romanian versions of the website.
- Dedicated servers in the EU with a self-hosted reranking model.
- MCP server, developer API and CRM integrations: HubSpot, Pipedrive and Zoho.
- Public AI benchmark of models for e-commerce customer service.
- Agentic search and an answer analyzer that explains why the AI answered as it did.
- VoiceBot in beta: AI that answers phone calls.
- PrestaShop module and PDF, Word and PowerPoint import, with OCR for scans.
Chaterimo today
Live figures from our platform
Real customer conversations from the last 30 days. Test chats and our own website assistant are not counted.
124
Active e-shops and websites
8,877
Customer conversations in 30 days
18,919
Questions answered in 30 days
657,410
Products in their knowledge bases
Updated Oct. 26, 2026. An e-shop or website counts as active with at least 3 customer conversations in the last 30 days.
How e-shops use Chaterimo
What the last 30 days show
53%
of questions come outside business hours
In the evening, at night and at weekends, when support teams are usually offline. Measured on Central European e-shops; business hours are 8:00โ18:00 on weekdays, Prague time.
2,433
clicks from chatbot answers to products and pages
Customers go straight from a recommendation to the product page and continue shopping.
75%
of active e-shops are connected through a platform add-on
Shoptet, Upgates, Shopify, PrestaShop, Eshop-rychle or Webreal keep products in sync and can let the AI check order status. The others teach the AI with XML feeds, web pages and documents.
AI models behind the answers
-
ChatGPT (OpenAI) 58%
-
Gemini (Google) 21%
-
Claude (Anthropic) 16%
-
Grok (xAI) 5%
Share of answered questions by AI provider. Every e-shop chooses its own model.
Research and development
We research how AI finds the right answer
A good answer starts with good search. That is why most of our development goes into retrieval and into integrating new language models, measured on real e-commerce questions.
Hybrid product search
Meaning, keywords and exact product codes are searched in parallel. Product parameters are normalized into comparable values with units.
Reranking
A cross-encoder model reorders the results by how well they match the customer's question. It runs on our own servers, together with the embedding model.
Agentic search
The AI decides which search steps to take and looks up missing details before it answers.
Model testing
We test new models from OpenAI, Anthropic, Google and xAI on real e-commerce questions and publish the results.
See the AI benchmarkAnswer analysis
The answer analyzer finds out why the AI answered as it did: missing data, instructions, settings or the model itself. Then it recommends a fix.
Open integrations
Our MCP server and developer API connect Chaterimo to AI assistants such as Claude and to your own tools.
About the MCP serverFrequently asked questions
Our service, Chaterimo, integrates directly with OpenAI's advanced language model to provide high-quality chatbot services. Your OpenAI API key allows us to establish this direct connection with OpenAI's servers.
The reason we require your API key in our paid programs is threefold:
- Fair Usage Billing: With your own OpenAI API key, you are billed directly by OpenAI for the exact number of prompts your chatbot uses. This ensures you only pay for your actual usage.
- Avoiding Rate Limits: Each user having their unique API key means that the chatbot service isn't limited by a shared rate limit. This ensures uninterrupted service as usage is dependent on your individual API key, and not affected by other users' activities.
Please note, there is a separate monthly fee for using Chaterimo's platform. This fee is for the features, tools, and services we provide on top of OpenAI's core language model capabilities.
We prioritize the security and privacy of your data. Your API key is stored securely, encrypted after saving, and is strictly used for communicating with the OpenAI servers for the purposes outlined above. It is not used for any other purposes, nor is it shared with any third parties.It is easy to get started with Chaterimo! Here is how you can add content to your knowledge-base:
- Simple Text: Just copy and paste your desired text directly.
- Web Content: You can easily grab content from a website. Whether it's just one web page or multiple pages with all their linked content, we've got you covered.
- File Upload: Have a document? No worries! You can upload CSV, Excel, Word documents, PDFs, or plain text files. Just make sure they're under 10MB.
- For Merchants: If you're using Google Shopping, you can directly upload your XML product feed.
Interested in a DEMO for your website or e-commerce? Let us build one for you, FREE of charge!
Thank you! We will contact you soon. Have a fantastic day!
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