Articles on: Hugo AI Agent & Chatbot

How to create an AI Chatbot for Customer Service with Claude

Learn how to set up Hugo, the Crisp AI Agent, as a Claude-powered AI chatbot for customer support.


Hugo combines a supported Anthropic Claude model with your support content, business instructions, routing rules, and human handoff. This is sometimes described as a Claude customer support chatbot, but Hugo manages the support experience while Claude powers language understanding and answer generation. Discover Hugo to see how the AI Agent works.


Claude model availability evolves over time. Always check AI Agent → Agent → Settings for the current options in your workspace.



How to set up a Claude AI chatbot for customer support


To select an Anthropic Claude model in Hugo:

  1. Sign in to Crisp.
  2. Open AI Agent → Agent → Settings.
  3. Under Model, disable Choose automatically and select a supported Claude model.
  4. Review Region, Enable Hugo's built-in fallback model, Allow agent to process images, and Allow agent to transcribe audio messages when those options are available.


When Choose automatically is enabled, Hugo may use a model from another provider. Select Claude manually if using Anthropic is an important part of your support configuration.


Select an Anthropic Claude model in Hugo settings


Choosing a model is only one part of the setup. Add reliable support resources from AI Agent → Train, define Hugo's behavior from AI Agent → Guidance → Instructions, and configure escalation or routing rules from AI Agent → Guidance → Routing.



Why Claude works well for customer support


In our testing, Claude is one of the strongest model families for demanding customer support setups. It is particularly good at nuanced language, careful reasoning, and longer conversations, although its most capable models can consume more credits.


Claude models are especially useful for:

  • Complex reasoning → work through ambiguous requests, multi-step troubleshooting, and cases with several conditions
  • Instruction following → apply detailed business rules, support policies, and behavioral instructions consistently
  • Source synthesis → assemble information from interconnected articles, documents, and product resources
  • Natural conversations → maintain context and produce thoughtful, human-sounding replies across longer exchanges


Claude can provide substantial reasoning horsepower, but the quality of your training resources still matters. Even the most capable model cannot fully compensate for outdated documentation, contradictory policies, or missing product information.



Compare the Claude models available in Hugo


Hugo currently supports Claude 4.8 Opus, Claude 4.6 Sonnet, and Claude 4.5 Haiku, alongside selected legacy Claude models. The price levels below represent relative Hugo credit usage rather than a fixed price per conversation.


Claude model

Intelligence

Relative price

Recommended use

Claude 4.8 Opus

Very high

$$$

Highly complex support environments with intricate instructions, interconnected sources, advanced routing rules, or requests requiring deep reasoning

Claude 4.6 Sonnet

High

$$

Most advanced customer support setups, offering an excellent balance between answer quality, reasoning, and credit usage

Claude 4.5 Haiku

Medium

$

Clear documentation, straightforward support questions, higher conversation volumes, and cost-conscious deployments


Claude Opus offers the most horsepower, but most support teams do not need that much power for every conversation. Claude Sonnet is usually the best cost-to-performance balance and is also the model Crisp uses for its own customer support setup. Claude Haiku is a practical starting point when your documentation and support processes are already clear.


See which AI models Hugo supports and how to configure them for the latest model, region, and relative pricing options.



Test and launch your Claude customer support chatbot


Before going live, open AI Agent → Evaluate → Playground → Compare model options. Test each Claude model with the same real customer questions, including simple FAQs, ambiguous requests, longer conversations, multi-source questions, and situations that should trigger a routing rule or human escalation.


Compare answer accuracy, instruction following, source usage, reasoning quality, response speed, and credit usage. Opus may perform best on your hardest questions while Sonnet or Haiku provides better overall value across everyday conversations.


Once you have selected the right configuration, deploy Hugo from AI Agent → Agent → Activation. For the complete training, guidance, testing, and activation process, follow Getting started with Hugo AI Agent.



Frequently Asked Questions


Still have questions which were not covered in this article? Here is a collection of the most frequently asked questions on this topic.


Do I need an Anthropic API key to use Claude with Hugo?


No. Supported Claude models are managed directly through Hugo, and you cannot connect an external Anthropic API key. Select the model you want from AI Agent → Agent → Settings.


Does Hugo support every Claude model released by Anthropic?


Almost. Hugo exposes a selected list of supported models rather than every Claude release. The models displayed under AI Agent → Agent → Settings are the source of truth for your workspace.


At Crisp, we regularly evaluate and implement new model releases so Hugo continues to offer modern and competitive options.


Is Claude Opus always the best choice?


Not necessarily. Claude Opus offers the most reasoning horsepower, but it also consumes more credits and may be excessive for everyday support. Claude Sonnet provides a strong balance for most advanced setups, while Claude Haiku is often sufficient for clear documentation and straightforward customer questions.

Updated on: 23/06/2026

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