Hugging Face works now

app/MindWork AI Studio.sln.DotSettings

@@ -3,14 +3,17 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=EDI/@EntryIndexedValue">EDI</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=ERI/@EntryIndexedValue">ERI</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=GWDG/@EntryIndexedValue">GWDG</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HF/@EntryIndexedValue">HF</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=LLM/@EntryIndexedValue">LLM</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=LM/@EntryIndexedValue">LM</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=MSG/@EntryIndexedValue">MSG</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=RAG/@EntryIndexedValue">RAG</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=UI/@EntryIndexedValue">UI</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=URL/@EntryIndexedValue">URL</s:String>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=agentic/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=groq/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=gwdg/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=huggingface/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=mwais/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=ollama/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=tauri_0027s/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

app/MindWork AI Studio/Components/Settings/SettingsPanelProviders.razor.cs

@@ -65,6 +65,7 @@ public partial class SettingsPanelProviders : SettingsPanelBase
             { x => x.IsSelfHosted, provider.IsSelfHosted },
             { x => x.IsEditing, true },
             { x => x.DataHost, provider.Host },
+            { x => x.HfInstanceProviderId, provider.HFInstanceProvider },
         };
 
         var dialogReference = await this.DialogService.ShowAsync<ProviderDialog>("Edit LLM Provider", dialogParameters, DialogOptions.FULLSCREEN);

app/MindWork AI Studio/Dialogs/ProviderDialog.razor

@@ -1,4 +1,5 @@
 @using AIStudio.Provider
+@using AIStudio.Provider.HuggingFace
 @using AIStudio.Provider.SelfHosted
 
 <MudDialog>
@@ -49,10 +50,17 @@
                 }
             </MudSelect>
             
+            <MudSelect Disabled="@(!this.DataLLMProvider.IsHFInstanceProviderNeeded())" @bind-Value="@this.HfInstanceProviderId" Label="HF Instance Provider" Class="mb-3" OpenIcon="@Icons.Material.Filled.Dns" AdornmentColor="Color.Info" Adornment="Adornment.Start" Validation="@this.providerValidation.ValidatingHFInstanceProvider">
+                @foreach (HFInstanceProvider instanceProvider in Enum.GetValues(typeof(HFInstanceProvider)))
+                {
+                    <MudSelectItem Value="@instanceProvider">@instanceProvider.ToName()</MudSelectItem>
+                }
+            </MudSelect>
+            
             <MudStack Row="@true" AlignItems="AlignItems.Center">
                 @if (this.DataLLMProvider.IsLLMModelProvidedManually())
                 {
-                    <MudButton Variant="Variant.Filled" Size="Size.Small" StartIcon="@Icons.Material.Filled.OpenInBrowser" Href="@this.DataLLMProvider.GetModelsOverviewURL()" Target="_blank">Show available models</MudButton>
+                    <MudButton Variant="Variant.Filled" Size="Size.Small" StartIcon="@Icons.Material.Filled.OpenInBrowser" Href="@this.DataLLMProvider.GetModelsOverviewURL(this.HfInstanceProviderId)" Target="_blank">Show available models</MudButton>
                     <MudTextField
                         T="string"
                         @bind-Text="@this.dataManuallyModel"

app/MindWork AI Studio/Dialogs/ProviderDialog.razor.cs

@@ -1,4 +1,5 @@
 using AIStudio.Provider;
+using AIStudio.Provider.HuggingFace;
 using AIStudio.Settings;
 using AIStudio.Tools.Services;
 using AIStudio.Tools.Validation;
@@ -47,6 +48,12 @@ public partial class ProviderDialog : ComponentBase, ISecretId
     [Parameter]
     public Host DataHost { get; set; } = Host.NONE;
     
+    /// <summary>
+    /// The HFInstanceProvider to use, e.g., CEREBRAS.
+    /// </summary>
+    [Parameter]
+    public HFInstanceProvider HfInstanceProviderId { get; set; } = HFInstanceProvider.NONE;
+    
     /// <summary>
     /// Is this provider self-hosted?
     /// </summary>
@@ -131,6 +138,7 @@ public partial class ProviderDialog : ComponentBase, ISecretId
             IsSelfHosted = this.DataLLMProvider is LLMProviders.SELF_HOSTED,
             Hostname = cleanedHostname.EndsWith('/') ? cleanedHostname[..^1] : cleanedHostname,
             Host = this.DataHost,
+            HFInstanceProvider = this.HfInstanceProviderId,
         };
     }
 
@@ -151,8 +159,8 @@ public partial class ProviderDialog : ComponentBase, ISecretId
         {
             this.dataEditingPreviousInstanceName = this.DataInstanceName.ToLowerInvariant();
             
-            // When using Fireworks, we must copy the model name:
+            // When using Fireworks or Hugging Face, we must copy the model name:
-            if (this.DataLLMProvider is LLMProviders.FIREWORKS)
+            if (this.DataLLMProvider is LLMProviders.FIREWORKS or LLMProviders.HUGGINGFACE)
                 this.dataManuallyModel = this.DataModel.Id;
             
             //
@@ -235,7 +243,7 @@ public partial class ProviderDialog : ComponentBase, ISecretId
     
     private string? ValidateManuallyModel(string manuallyModel)
     {
-        if (this.DataLLMProvider is LLMProviders.FIREWORKS && string.IsNullOrWhiteSpace(manuallyModel))
+        if ((this.DataLLMProvider is LLMProviders.FIREWORKS or LLMProviders.HUGGINGFACE) && string.IsNullOrWhiteSpace(manuallyModel))
             return "Please enter a model name.";
         
         return null;

app/MindWork AI Studio/Provider/Confidence.cs

@@ -35,10 +35,10 @@ public sealed record Confidence
             """,
     };
     
-    public static readonly Confidence USA_NOT_TRUSTED = new()
+    public static readonly Confidence USA_HUB = new()
     {
-        Level = ConfidenceLevel.UNTRUSTED,
+        Level = ConfidenceLevel.UNKNOWN,
-        Description = "The provider operates its service from the USA and is subject to **U.S. jurisdiction**. In case of suspicion, authorities in the USA can access your data. The provider's terms of service state that **all your data can be used by the provider at will.**",
+        Description = "The provider operates its service from the USA and is subject to **U.S. jurisdiction**. In case of suspicion, authorities in the USA can access your data. Please inform yourself about the use of your data. We do not know if your data is safe.",
     };
 
     public static readonly Confidence UNKNOWN = new()

app/MindWork AI Studio/Provider/HuggingFace/HFInstanceProvider.cs

@@ -0,0 +1,18 @@
+namespace AIStudio.Provider.HuggingFace;
+
+/// <summary>
+/// Enum for instance providers that Hugging Face supports.
+/// </summary>
+public enum HFInstanceProvider
+{
+    NONE,
+    
+    CEREBRAS,
+    NEBIUS_AI_STUDIO,
+    SAMBANOVA,
+    NOVITA,
+    HYPERBOLIC,
+    TOGETHER_AI,
+    FIREWORKS,
+    HF_INFERENCE_API,
+}

app/MindWork AI Studio/Provider/HuggingFace/HFInstanceProviderExtensions.cs

@@ -0,0 +1,43 @@
+namespace AIStudio.Provider.HuggingFace;
+
+public static class HFInstanceProviderExtensions
+{
+    public static string Endpoints(this HFInstanceProvider provider, Model model) => provider switch
+    {
+        HFInstanceProvider.CEREBRAS => "cerebras/v1/",
+        HFInstanceProvider.NEBIUS_AI_STUDIO => "nebius/v1/",
+        HFInstanceProvider.SAMBANOVA => "sambanova/v1/",
+        HFInstanceProvider.NOVITA => "novita/v3/openai/",
+        HFInstanceProvider.HYPERBOLIC => "hyperbolic/v1/",
+        HFInstanceProvider.TOGETHER_AI => "together/v1/",
+        HFInstanceProvider.FIREWORKS => "fireworks-ai/inference/v1/",
+        HFInstanceProvider.HF_INFERENCE_API => $"hf-inference/models/{model.ToString()}/v1/",
+        _ => string.Empty,
+    };
+    
+    public static string EndpointsId(this HFInstanceProvider provider) => provider switch
+    {
+        HFInstanceProvider.CEREBRAS => "cerebras",
+        HFInstanceProvider.NEBIUS_AI_STUDIO => "nebius",
+        HFInstanceProvider.SAMBANOVA => "sambanova",
+        HFInstanceProvider.NOVITA => "novita",
+        HFInstanceProvider.HYPERBOLIC => "hyperbolic",
+        HFInstanceProvider.TOGETHER_AI => "together",
+        HFInstanceProvider.FIREWORKS => "fireworks",
+        HFInstanceProvider.HF_INFERENCE_API => "hf-inference",
+        _ => string.Empty,
+    };
+    
+    public static string ToName(this HFInstanceProvider provider) => provider switch
+    {
+        HFInstanceProvider.CEREBRAS => "Cerebras",
+        HFInstanceProvider.NEBIUS_AI_STUDIO => "Nebius AI Studio",
+        HFInstanceProvider.SAMBANOVA => "Sambanova",
+        HFInstanceProvider.NOVITA => "Novita",
+        HFInstanceProvider.HYPERBOLIC => "Hyperbolic",
+        HFInstanceProvider.TOGETHER_AI => "Together AI",
+        HFInstanceProvider.FIREWORKS => "Fireworks AI",
+        HFInstanceProvider.HF_INFERENCE_API => "Hugging Face Inference API",
+        _ => string.Empty,
+    };
+}

app/MindWork AI Studio/Provider/HuggingFace/ProviderHuggingFace.cs

@@ -9,8 +9,13 @@ using AIStudio.Settings;
 
 namespace AIStudio.Provider.HuggingFace;
 
-public sealed class ProviderHuggingFace(ILogger logger) : BaseProvider($"https://router.huggingface.co/nebius/v1/", logger)
+public sealed class ProviderHuggingFace : BaseProvider
 {
+    public ProviderHuggingFace(ILogger logger, HFInstanceProvider hfProvider, Model model) : base($"https://router.huggingface.co/{hfProvider.Endpoints(model)}", logger)
+    {
+        logger.LogInformation($"We use the instance provider '{hfProvider}'. Thus we use the base URL 'https://router.huggingface.co/{hfProvider.Endpoints(model)}'.");
+    }
+
     #region Implementation of IProvider
 
     /// <inheritdoc />

app/MindWork AI Studio/Provider/LLMProvidersExtensions.cs

@@ -34,7 +34,7 @@ public static class LLMProvidersExtensions
         LLMProviders.GOOGLE => "Google",
         LLMProviders.X => "xAI",
         LLMProviders.DEEP_SEEK => "DeepSeek",
-        LLMProviders.ALIBABA_CLOUD => "ALIBABA_CLOUD",
+        LLMProviders.ALIBABA_CLOUD => "Alibaba Cloud",
         
         LLMProviders.GROQ => "Groq",
         LLMProviders.FIREWORKS => "Fireworks.ai",
@@ -58,10 +58,10 @@ public static class LLMProvidersExtensions
     {
         LLMProviders.NONE => Confidence.NONE,
         
-        LLMProviders.FIREWORKS => Confidence.USA_NOT_TRUSTED.WithRegion("America, U.S.").WithSources("https://fireworks.ai/terms-of-service").WithLevel(settingsManager.GetConfiguredConfidenceLevel(llmProvider)),
+        LLMProviders.FIREWORKS => Confidence.USA_HUB.WithRegion("America, U.S.").WithSources("https://fireworks.ai/terms-of-service").WithLevel(settingsManager.GetConfiguredConfidenceLevel(llmProvider)),
         
         // Not trusted, because huggingface only routes you to a third-party-provider and we can't make sure they do not use your data 
-        LLMProviders.HUGGINGFACE => Confidence.USA_NOT_TRUSTED.WithRegion("America, U.S.").WithSources("https://huggingface.co/terms-of-service").WithLevel(settingsManager.GetConfiguredConfidenceLevel(llmProvider)), 
+        LLMProviders.HUGGINGFACE => Confidence.USA_HUB.WithRegion("America, U.S.").WithSources("https://huggingface.co/terms-of-service").WithLevel(settingsManager.GetConfiguredConfidenceLevel(llmProvider)), 
         
         LLMProviders.OPEN_AI => Confidence.USA_NO_TRAINING.WithRegion("America, U.S.").WithSources(
             "https://platform.openai.com/docs/models/default-usage-policies-by-endpoint",
@@ -135,7 +135,7 @@ public static class LLMProvidersExtensions
     /// <returns>The provider instance.</returns>
     public static IProvider CreateProvider(this AIStudio.Settings.Provider providerSettings, ILogger logger)
     {
-        return providerSettings.UsedLLMProvider.CreateProvider(providerSettings.InstanceName, providerSettings.Host, providerSettings.Hostname, logger);
+        return providerSettings.UsedLLMProvider.CreateProvider(providerSettings.InstanceName, providerSettings.Host, providerSettings.Hostname, providerSettings.Model, providerSettings.HFInstanceProvider ,logger);
     }
     
     /// <summary>
@@ -146,10 +146,10 @@ public static class LLMProvidersExtensions
     /// <returns>The provider instance.</returns>
     public static IProvider CreateProvider(this EmbeddingProvider embeddingProviderSettings, ILogger logger)
     {
-        return embeddingProviderSettings.UsedLLMProvider.CreateProvider(embeddingProviderSettings.Name, embeddingProviderSettings.Host, embeddingProviderSettings.Hostname, logger);
+        return embeddingProviderSettings.UsedLLMProvider.CreateProvider(embeddingProviderSettings.Name, embeddingProviderSettings.Host, embeddingProviderSettings.Hostname, embeddingProviderSettings.Model, HFInstanceProvider.NONE,logger);
     }
     
-    private static IProvider CreateProvider(this LLMProviders provider, string instanceName, Host host, string hostname, ILogger logger)
+    private static IProvider CreateProvider(this LLMProviders provider, string instanceName, Host host, string hostname, Model model, HFInstanceProvider instanceProvider , ILogger logger)
     {
         try
         {
@@ -165,7 +165,7 @@ public static class LLMProvidersExtensions
                 
                 LLMProviders.GROQ => new ProviderGroq(logger) { InstanceName = instanceName },
                 LLMProviders.FIREWORKS => new ProviderFireworks(logger) { InstanceName = instanceName },
-                LLMProviders.HUGGINGFACE => new ProviderHuggingFace(logger) { InstanceName = instanceName }, 
+                LLMProviders.HUGGINGFACE => new ProviderHuggingFace(logger, instanceProvider, model) { InstanceName = instanceName }, 
                 
                 LLMProviders.SELF_HOSTED => new ProviderSelfHosted(logger, host, hostname) { InstanceName = instanceName },
                 
@@ -234,10 +234,10 @@ public static class LLMProvidersExtensions
         _ => false,
     };
 
-    public static string GetModelsOverviewURL(this LLMProviders provider) => provider switch
+    public static string GetModelsOverviewURL(this LLMProviders provider, HFInstanceProvider instanceProvider) => provider switch
     {
         LLMProviders.FIREWORKS => "https://fireworks.ai/models?show=Serverless",
-        LLMProviders.HUGGINGFACE => "https://huggingface.co/models?inference_provider=all",
+        LLMProviders.HUGGINGFACE => $"https://huggingface.co/models?inference_provider={instanceProvider.EndpointsId()}",
         _ => string.Empty,
     };
 
@@ -331,4 +331,10 @@ public static class LLMProvidersExtensions
         
         return true;
     }
+    
+    public static bool IsHFInstanceProviderNeeded(this LLMProviders provider) => provider switch
+    {
+        LLMProviders.HUGGINGFACE => true,
+        _ => false,
+    };
 }

app/MindWork AI Studio/Settings/Provider.cs

@@ -1,7 +1,7 @@
 using System.Text.Json.Serialization;
 
 using AIStudio.Provider;
-
+using AIStudio.Provider.HuggingFace;
 using Host = AIStudio.Provider.SelfHosted.Host;
 
 namespace AIStudio.Settings;
@@ -24,7 +24,8 @@ public readonly record struct Provider(
     Model Model,
     bool IsSelfHosted = false,
     string Hostname = "http://localhost:1234",
-    Host Host = Host.NONE) : ISecretId
+    Host Host = Host.NONE,
+    HFInstanceProvider HFInstanceProvider = HFInstanceProvider.NONE) : ISecretId
 {
     #region Overrides of ValueType
 

app/MindWork AI Studio/Tools/Validation/ProviderValidation.cs

@@ -1,5 +1,5 @@
 using AIStudio.Provider;
-
+using AIStudio.Provider.HuggingFace;
 using Host = AIStudio.Provider.SelfHosted.Host;
 
 namespace AIStudio.Tools.Validation;
@@ -93,4 +93,15 @@ public sealed class ProviderValidation
 
         return null;
     }
+    
+    public string? ValidatingHFInstanceProvider(HFInstanceProvider instanceProvider)
+    {
+        if(this.GetProvider() is not LLMProviders.HUGGINGFACE)
+            return null;
+
+        if (instanceProvider is HFInstanceProvider.NONE)
+            return "Please select an Hugging Face instance provider.";
+
+        return null;
+    }
 }