feat: update openai models

assistant.go

@@ -234,7 +234,7 @@ func handleAssistantConversation(c tele.Context, thread []*tele.Message) error {
 	}
 
 	req := openai.ChatRequest{
-		Model:       openai.ModelGpt45,
+		Model:       openai.ModelGpt41,
 		Messages:    chatReqMsgs,
 		Temperature: lo.ToPtr(0.42),
 		User:        assistantHashUserId(lastMsg.Sender.ID),

botcmd_reason.go

@@ -29,7 +29,7 @@ func handleReasonCmd(c tele.Context) error {
 	}
 
 	req := openai.ChatRequest{
-		Model: openai.ModelO3Mini,
+		Model: openai.ModelO4Mini,
 		Messages: []openai.ChatMessage{
 			{
 				Role:    openai.ChatRoleUser,

openai/models.go

@@ -1,9 +1,8 @@
 package openai
 
 const (
-	ModelGpt4O     = "gpt-4o"          // Safe default
-	ModelO1Preview = "o1-preview"      // Expensive reasoning model
-	ModelO1Mini    = "o1-mini"         // Cheaper reasoning model
-	ModelO3Mini    = "o3-mini"         // Cheaper yet powerful reasoning model
-	ModelGpt45     = "gpt-4.5-preview" // Bleeding edge (and expensive)
+	ModelGpt4O  = "gpt-4o"  // The safe default, balanced model.
+	ModelO1     = "o1"      // Expensive reasoning model
+	ModelO4Mini = "o4-mini" // Cheaper yet powerful reasoning model
+	ModelGpt41  = "gpt-4.1" // OpenAI's Flagship model
 )