diff --git a/src/main/java/kz/konturai/parser/service/OpenAIAnalyticsService.java b/src/main/java/kz/konturai/parser/service/OpenAIAnalyticsService.java
index 1227a09..54ccc8a 100644
--- a/src/main/java/kz/konturai/parser/service/OpenAIAnalyticsService.java
+++ b/src/main/java/kz/konturai/parser/service/OpenAIAnalyticsService.java
@@ -84,7 +84,9 @@ public class OpenAIAnalyticsService {
         requestBody.put("model", model);
         requestBody.put("messages", messages);
         requestBody.put("max_completion_tokens", maxTokens);
-        requestBody.put("temperature", temperature);
+        if (!model.startsWith("gpt-5") && !model.startsWith("o1") && !model.startsWith("o3") && !model.startsWith("o4")) {
+            requestBody.put("temperature", temperature);
+        }
         return requestBody;
     }
 
diff --git a/src/main/java/kz/konturai/parser/service/OpenAiChartService.java b/src/main/java/kz/konturai/parser/service/OpenAiChartService.java
index ba6b804..71774f6 100644
--- a/src/main/java/kz/konturai/parser/service/OpenAiChartService.java
+++ b/src/main/java/kz/konturai/parser/service/OpenAiChartService.java
@@ -106,7 +106,9 @@ public class OpenAiChartService {
     private Mono<String> callChatCompletions(String taskName, String prompt) {
         Map<String, Object> body = new HashMap<>();
         body.put("model", modelName);
-        body.put("temperature", 0);
+        if (!modelName.startsWith("gpt-5") && !modelName.startsWith("o1") && !modelName.startsWith("o3") && !modelName.startsWith("o4")) {
+            body.put("temperature", 0);
+        }
         body.put("messages", List.of(
                 Map.of("role", "user", "content", prompt)));