DevExpress Blazor AI Chat

DevExpress Blazor AI Chat allows you to add an interactive chat UI to your Blazor application.

Key Features

• Fast responses
• Additional context support (file attachments, individual/system prompts, reference materials, MCP usage)
• Prompt suggestions
• Rich formatted responses
• Persistent session context
• Runtime AI model change support
• Manual message processing
• AI tool calling
• UI and appearance customization

Examples

The AI Chat component requires the following NuGet packages:

• DevExpress.AIIntegration.Blazor.Chat
• DevExpress.Blazor

Install required packages:

dotnet add package DevExpress.Blazor
dotnet add package DevExpress.AIIntegration.Blazor.Chat

Example 1: Add the AI Chat Component to the Page

<DxAIChat />

Example 2: Restore a Saved Conversation

<DxAIChat Initialized="ChatInitialized" />

@code {
    void ChatInitialized(IAIChat chat) {
        chat.LoadMessages(new[] {
            new BlazorChatMessage(Microsoft.Extensions.AI.ChatRole.Assistant, "Hello, how can I help you?")
        });
    }
}

Evaluation Period, Pricing Options, and Licensing Terms

Whether you own a license or want to start a 30-day evaluation period, download and register your DevExpress license key. To obtain your key, log in to the DevExpress Download Manager. Use your existing DevExpress.com account or create a new account for free. For key registration instructions, see License Key for DevExpress Products.

If you purchase a license after evaluating a product, re-register your updated DevExpress license key to remove evaluation version warnings/messages.

This package is included in the following commercial subscriptions:

• DevExpress ASP.NET and Blazor Subscription
• DevExpress DXperience Subscription
• DevExpress Universal Subscription
• DevExpress WinForms Subscription
• DevExpress WPF Subscription

See DevExpress Subscriptions & Licensing for subscription comparison tables, purchasing FAQ, and licensing information.

Software Bill of Materials (SBOM)

To access SBOM files for DevExpress packages, see the following article: Software Bill of Materials (SBOM) for DevExpress .NET assemblies/NuGet packages, JavaScript, VCL and other redistributable artifacts.

See Also: Information Security | Security - What You Need to Know

Related Components/Packages

DevExpress.Blazor - Native DevExpress UI components for Blazor applications.

dotnet add package DevExpress.Blazor

Demos

• DevExpress Blazor Online Demos
• DevExpress Blazor GitHub Demos

GitHub Examples

• DevExpress Blazor AI Chat — Multi-Model Chat with Conversation History
• DevExpress Blazor AI Chat — Integration with Model Context Protocol

Documentation

• DevExpress Blazor AI Chat

Useful Online Resources

• www.devexpress.com
• DevExpress Support Center
• DevExpress Blogs