diff --git a/src/speech/speech.py b/src/speech/speech.py
index 253503d..747028f 100644
--- a/src/speech/speech.py
+++ b/src/speech/speech.py
@@ -27,7 +27,6 @@ class SpeechRecognizer:
         try:
             if self.model_name == "vosk":
                 from vosk import Model, KaldiRecognizer
-                import json
                 import sys
                 import io
 
@@ -49,7 +48,8 @@ class SpeechRecognizer:
             elif self.model_name == "whisper":
                 from faster_whisper import WhisperModel
 
-                self.model = WhisperModel("small", device="cpu", compute_type="int8")
+                # tiny модель - минимальное потребление памяти (~100MB)
+                self.model = WhisperModel("tiny", device="cpu", compute_type="int8")
 
         except Exception as e:
             logger.error(f"Ошибка загрузки модели распознавания: {e}")