Added support for Claude 4 models to Anthropic provider (#482)

Author: SommerEngineering

app/MindWork AI Studio/Provider/Anthropic/ProviderAnthropic.cs

@@ -89,6 +89,8 @@ public override Task<IEnumerable<Model>> GetTextModels(string? apiKeyProvisional
     {
         var additionalModels = new[]
         {
+            new Model("claude-opus-4-0", "Claude Opus 4.0 (Latest)"),
+            new Model("claude-sonnet-4-0", "Claude Sonnet 4.0 (Latest)"),
             new Model("claude-3-7-sonnet-latest", "Claude 3.7 Sonnet (Latest)"),
             new Model("claude-3-5-sonnet-latest", "Claude 3.5 Sonnet (Latest)"),
             new Model("claude-3-5-haiku-latest", "Claude 3.5 Haiku (Latest)"),
@@ -114,6 +116,14 @@ public override IReadOnlyCollection<Capability> GetModelCapabilities(Model model
     {
         var modelName = model.Id.ToLowerInvariant().AsSpan();
 
+        // Claude 4.x models:
+        if(modelName.StartsWith("claude-opus-4") || modelName.StartsWith("claude-sonnet-4"))
+            return [
+                Capability.TEXT_INPUT, Capability.MULTIPLE_IMAGE_INPUT,
+                Capability.TEXT_OUTPUT,
+                
+                Capability.OPTIONAL_REASONING, Capability.FUNCTION_CALLING];
+        
         // Claude 3.7 is able to do reasoning:
         if(modelName.StartsWith("claude-3-7"))
             return [

app/MindWork AI Studio/wwwroot/changelog/v0.9.45.md

@@ -1,7 +1,8 @@
 # v0.9.45, build 220 (2025-05-xx xx:xx UTC)
 - Added chat templates. They are similar to common AI companies' playgrounds, where you can define your own system prompts and leverage assistant prompts for providers that support them. We thank Peer `peerschuett` for the work on this feature.
 - Added Russian as a language option for various assistants (e.g., translations, text summarization).
-- Improved password and API key input fields: they now optionally display their content to allow users to verify manual input.
+- Improved the password and API key input fields: they now optionally display their content to allow users to verify manual input.
+- Improved the Anthropic provider by adding aliase and capabilities for the new Claude 4 models.
 - Improved the German translation.
 - Changed the design of the data source settings to match the new design.
 - Moved the chat options: you can access them directly from the chat interface.