Update app.py

app.py

@@ -1,8 +1,8 @@
 import gradio as gr
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
 
-# Použití otevřené verze Mistral 7B
-model_name = "open-mistral/open-mistral-7b"
+# Použití TinyLlama 1.1B Chat (zcela zdarma)
+model_name = "TinyLlama/TinyLlama-1.1B-Chat-v1.0"
 tokenizer = AutoTokenizer.from_pretrained(model_name)
 model = AutoModelForCausalLM.from_pretrained(model_name)