diff --git a/internal/config/openai.go b/internal/config/openai.go
index 8fe822e..65ba0a9 100644
--- a/internal/config/openai.go
+++ b/internal/config/openai.go
@@ -13,7 +13,7 @@ type OpenAIConfig struct {
 func DefaultOpenAIConfig() *OpenAIConfig {
 	return &OpenAIConfig{
 		APIKey:       "",
-		Model:        "gpt-4o",
+		Model:        "gpt-4.1",
 		SystemPrompt: DefaultSystemPrompt(),
 		HTMLTemplate: DefaultHTMLTemplate(),
 		CSSStyles:    DefaultCSSStyles(),
diff --git a/internal/config/openai_test.go b/internal/config/openai_test.go
index e08e5ef..a514553 100644
--- a/internal/config/openai_test.go
+++ b/internal/config/openai_test.go
@@ -41,7 +41,7 @@ func TestOpenAIConfigDefaults(t *testing.T) {
 	cfg := DefaultOpenAIConfig()
 	
 	// Verify the model is a reasonable default
-	expectedModels := []string{"gpt-4", "gpt-4-turbo", "gpt-3.5-turbo", "gpt-4o"}
+	expectedModels := []string{"gpt-4", "gpt-4-turbo", "gpt-3.5-turbo", "gpt-4o", "gpt-4.1"}
 	modelValid := false
 	for _, model := range expectedModels {
 		if cfg.Model == model {