gradio>=3.41.2 openai>=0.28.0 anthropic>=0.5.0 python-dotenv>=1.0.0 langchain>=0.0.267 faiss-cpu>=1.7.4 SpeechRecognition>=3.10.0 gtts>=2.3.2 playsound>=1.3.0 PyAudio>=0.2.13