diff --git a/internal/llm/provider/anthropic.go b/internal/llm/provider/anthropic.go
index 40d33e12cc4a1893c006d1e62c9c522fdf1ee3c4..44bc8a101f992511ec9f510d9ed4770f41896e45 100644
--- a/internal/llm/provider/anthropic.go
+++ b/internal/llm/provider/anthropic.go
@@ -80,7 +80,10 @@ func createAnthropicClient(opts providerClientOptions, tp AnthropicClientType) a
 	}
 
 	if opts.baseURL != "" {
-		anthropicClientOptions = append(anthropicClientOptions, option.WithBaseURL(opts.baseURL))
+		resolvedBaseURL, err := config.Get().Resolve(opts.baseURL)
+		if err == nil {
+			anthropicClientOptions = append(anthropicClientOptions, option.WithBaseURL(resolvedBaseURL))
+		}
 	}
 
 	if config.Get().Options.Debug {