diff --git a/Backend/index-server-es.py b/Backend/index-server-es.py
new file mode 100644
index 0000000..10df027
--- /dev/null
+++ b/Backend/index-server-es.py
@@ -0,0 +1,80 @@
+from elasticsearch import Elasticsearch
+from langchain.embeddings import HuggingFaceEmbeddings
+from elasticsearch.helpers import bulk
+import json
+
+# Настройка подключения к Elasticsearch с аутентификацией и HTTPS
+es = Elasticsearch(
+    [{'host': 'localhost', 'port': 9200, 'scheme': 'https'}],
+    http_auth=('elastic', 'S7DoO3ma=G=9USBPbqq3'),  # замените на ваш пароль
+    verify_certs=False  # Отключить проверку SSL-сертификата, если используется самоподписанный сертификат
+)
+
+embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2")
+
+def create_index():
+    # Определяем маппинг для индекса
+    mapping = {
+        "mappings": {
+            "properties": {
+                "text": {
+                    "type": "text",
+                    "analyzer": "standard"
+                },
+                "vector": {
+                    "type": "dense_vector",
+                    "dims": 384  # Размерность векторного представления
+                },
+                "full_data": {
+                    "type": "object",
+                    "enabled": False  # Отключаем индексацию вложенных данных
+                }
+            }
+        }
+    }
+    es.indices.create(index='drug_docs', body=mapping, ignore=400)
+
+def load_drug_data(json_path):
+    with open(json_path, 'r', encoding='utf-8') as f:
+        data = json.load(f)
+    return data
+
+def index_documents(data):
+    actions = []
+    total_docs = len(data)
+    for i, item in enumerate(data, start=1):
+        doc_text = f"{item['link']} {item.get('pribalovy_letak', '')} {item.get('spc', '')}"
+
+        vector = embeddings.embed_query(doc_text)
+
+        action = {
+            "_index": "drug_docs",
+            "_id": i,
+            "_source": {
+                'text': doc_text,
+                'vector': vector,
+                'full_data': item
+            }
+        }
+        actions.append(action)
+
+        # Отображение прогресса
+        print(f"Индексируется документ {i}/{total_docs}", end='\r')
+
+        # Опционально: индексируем пакетами по N документов
+        if i % 100 == 0 or i == total_docs:
+            bulk(es, actions)
+            actions = []
+
+    # Если остались неиндексированные документы
+    if actions:
+        bulk(es, actions)
+
+    print("\nИндексирование завершено.")
+
+if __name__ == "__main__":
+    create_index()
+    data_path = "/home/poiasnik/esDB/cleaned_general_info_additional.json"
+    drug_data = load_drug_data(data_path)
+    index_documents(drug_data)
+
diff --git a/Backend/qwen72-test.py b/Backend/qwen72-test.py
new file mode 100644
index 0000000..b615116
--- /dev/null
+++ b/Backend/qwen72-test.py
@@ -0,0 +1,77 @@
+import torch
+import logging
+from transformers import AutoModelForCausalLM, AutoTokenizer
+from elasticsearch import Elasticsearch
+
+# Настройка логирования
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+# Подключение к Elasticsearch
+es = Elasticsearch(
+    ["https://localhost:9200"],
+    basic_auth=("elastic", "S7DoO3ma=G=9USBPbqq3"),  # Ваш пароль
+    verify_certs=False
+)
+index_name = 'drug_docs'
+
+# Загрузка токенизатора и модели
+model_name = "Qwen/Qwen2.5-7B-Instruct"
+device = "cuda:0" if torch.cuda.is_available() else "cpu"
+
+model = AutoModelForCausalLM.from_pretrained(
+    model_name,
+    torch_dtype="auto",
+    device_map="auto"
+)
+tokenizer = AutoTokenizer.from_pretrained(model_name)
+
+# Проверка наличия pad_token
+if tokenizer.pad_token is None:
+    tokenizer.pad_token = tokenizer.eos_token
+
+def text_search(query, k=10, max_doc_length=300, max_docs=3):
+    try:
+        es_results = es.search(
+            index=index_name,
+            body={"size": k, "query": {"match": {"text": query}}}
+        )
+        text_documents = [hit['_source'].get('text', '') for hit in es_results['hits']['hits']]
+        text_documents = [doc[:max_doc_length] for doc in text_documents[:max_docs]]
+        return text_documents
+    except Exception as e:
+        logger.error(f"Ошибка поиска: {str(e)}")
+        return []
+
+# Пример запроса для поиска
+query = "čo piť pri horúčke"
+text_documents = text_search(query)
+
+# Обрезаем текст, если он превышает предел токенов модели
+max_tokens_per_input = 1024  # Установим более низкое значение для max_tokens
+context_text = ' '.join(text_documents)
+input_text = (
+    f"Informácie o liekoch: {context_text[:max_tokens_per_input]}\n"
+    "Uveďte tri konkrétne lieky alebo riešenia s veľmi krátkym vysvetlením pre každý z nich.\n"
+    "Odpoveď v slovenčine:"
+)
+
+# Токенизация входного текста
+inputs = tokenizer(input_text, return_tensors="pt", max_length=max_tokens_per_input, truncation=True).to(device)
+
+try:
+    generated_ids = model.generate(
+        inputs.input_ids,
+        attention_mask=inputs.attention_mask,
+        max_new_tokens=300,  # Снижено значение
+        temperature=0.7,
+        top_k=50,
+        top_p=0.9,
+        do_sample=False,  # Отключено семплирование для детерминированного вывода
+        pad_token_id=tokenizer.pad_token_id
+    )
+    response = tokenizer.decode(generated_ids[0], skip_special_tokens=True, errors='ignore')
+    print("Сгенерированный текст:", response)
+except RuntimeError as e:
+    print(f"Произошла ошибка во время генерации: {e}")
+
diff --git a/Backend/qwen7b-test.py b/Backend/qwen7b-test.py
new file mode 100644
index 0000000..f407b87
--- /dev/null
+++ b/Backend/qwen7b-test.py
@@ -0,0 +1,308 @@
+"""A simple command-line interactive chat demo for Qwen2.5-Instruct model with left-padding using bos_token."""
+
+import argparse
+import os
+import platform
+import shutil
+from copy import deepcopy
+from threading import Thread
+
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer
+from transformers.trainer_utils import set_seed
+
+DEFAULT_CKPT_PATH = "Qwen/Qwen2.5-7B-Instruct"
+
+_WELCOME_MSG = """\
+Welcome to use Qwen2.5-Instruct model, type text to start chat, type :h to show command help.
+"""
+_HELP_MSG = """\
+Commands:
+    :help / :h              Show this help message              
+    :exit / :quit / :q      Exit the demo                       
+    :clear / :cl            Clear screen                        
+    :clear-history / :clh   Clear history                       
+    :history / :his         Show history                        
+    :seed                   Show current random seed            
+    :seed <N>               Set random seed to <N>              
+    :conf                   Show current generation config      
+    :conf <key>=<value>     Change generation config            
+    :reset-conf             Reset generation config             
+"""
+
+_ALL_COMMAND_NAMES = [
+    "help",
+    "h",
+    "exit",
+    "quit",
+    "q",
+    "clear",
+    "cl",
+    "clear-history",
+    "clh",
+    "history",
+    "his",
+    "seed",
+    "conf",
+    "reset-conf",
+]
+
+
+def _setup_readline():
+    try:
+        import readline
+    except ImportError:
+        return
+
+    _matches = []
+
+    def _completer(text, state):
+        nonlocal _matches
+
+        if state == 0:
+            _matches = [
+                cmd_name for cmd_name in _ALL_COMMAND_NAMES if cmd_name.startswith(text)
+            ]
+        if 0 <= state < len(_matches):
+            return _matches[state]
+        return None
+
+    readline.set_completer(_completer)
+    readline.parse_and_bind("tab: complete")
+
+
+def _load_model_tokenizer(args):
+    tokenizer = AutoTokenizer.from_pretrained(
+        args.checkpoint_path,
+        resume_download=True,
+    )
+
+    # Set bos_token for left-padding
+    if tokenizer.pad_token is None:
+        tokenizer.pad_token = tokenizer.bos_token
+
+    device_map = "cpu" if args.cpu_only else "auto"
+
+    model = AutoModelForCausalLM.from_pretrained(
+        args.checkpoint_path,
+        torch_dtype="auto",
+        device_map=device_map,
+        resume_download=True,
+    ).eval()
+
+    # Conservative generation config
+    model.generation_config.max_new_tokens = 256
+    model.generation_config.temperature = 0.7
+    model.generation_config.top_k = 50
+    model.generation_config.top_p = 0.9
+    model.generation_config.pad_token_id = tokenizer.pad_token_id
+    model.generation_config.eos_token_id = tokenizer.eos_token_id
+    model.generation_config.do_sample = False
+
+    return model, tokenizer
+
+
+def _gc():
+    import gc
+
+    gc.collect()
+    if torch.cuda.is_available():
+        torch.cuda.empty_cache()
+
+
+def _clear_screen():
+    if platform.system() == "Windows":
+        os.system("cls")
+    else:
+        os.system("clear")
+
+
+def _print_history(history):
+    terminal_width = shutil.get_terminal_size()[0]
+    print(f"History ({len(history)})".center(terminal_width, "="))
+    for index, (query, response) in enumerate(history):
+        print(f"User[{index}]: {query}")
+        print(f"Qwen[{index}]: {response}")
+    print("=" * terminal_width)
+
+
+def _get_input() -> str:
+    while True:
+        try:
+            message = input("User> ").strip()
+        except UnicodeDecodeError:
+            print("[ERROR] Encoding error in input")
+            continue
+        except KeyboardInterrupt:
+            exit(1)
+        if message:
+            return message
+        print("[ERROR] Query is empty")
+
+
+def _chat_stream(model, tokenizer, query, history):
+    conversation = []
+    for query_h, response_h in history:
+        conversation.append({"role": "user", "content": query_h})
+        conversation.append({"role": "assistant", "content": response_h})
+    conversation.append({"role": "user", "content": query})
+    input_text = tokenizer.apply_chat_template(
+        conversation,
+        add_generation_prompt=True,
+        tokenize=False,
+    )
+    # Perform left-padding with bos_token
+    inputs = tokenizer(
+        [input_text],
+        return_tensors="pt",
+        padding="longest",
+        truncation=True,
+        pad_to_multiple_of=8,
+        max_length=1024,
+        add_special_tokens=False
+    ).to(model.device)
+
+    # Update attention_mask for left-padding compatibility
+    inputs["attention_mask"] = inputs["attention_mask"].flip(dims=[1])
+
+    streamer = TextIteratorStreamer(
+        tokenizer=tokenizer, skip_prompt=True, timeout=60.0, skip_special_tokens=True
+    )
+    generation_kwargs = {
+        **inputs,
+        "streamer": streamer,
+    }
+    thread = Thread(target=model.generate, kwargs=generation_kwargs)
+    thread.start()
+
+    for new_text in streamer:
+        yield new_text
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Qwen2.5-Instruct command-line interactive chat demo."
+    )
+    parser.add_argument(
+        "-c",
+        "--checkpoint-path",
+        type=str,
+        default=DEFAULT_CKPT_PATH,
+        help="Checkpoint name or path, default to %(default)r",
+    )
+    parser.add_argument("-s", "--seed", type=int, default=1234, help="Random seed")
+    parser.add_argument(
+        "--cpu-only", action="store_true", help="Run demo with CPU only"
+    )
+    args = parser.parse_args()
+
+    history, response = [], ""
+
+    model, tokenizer = _load_model_tokenizer(args)
+    orig_gen_config = deepcopy(model.generation_config)
+
+    _setup_readline()
+
+    _clear_screen()
+    print(_WELCOME_MSG)
+
+    seed = args.seed
+
+    while True:
+        query = _get_input()
+
+        # Process commands.
+        if query.startswith(":"):
+            command_words = query[1:].strip().split()
+            if not command_words:
+                command = ""
+            else:
+                command = command_words[0]
+
+            if command in ["exit", "quit", "q"]:
+                break
+            elif command in ["clear", "cl"]:
+                _clear_screen()
+                print(_WELCOME_MSG)
+                _gc()
+                continue
+            elif command in ["clear-history", "clh"]:
+                print(f"[INFO] All {len(history)} history cleared")
+                history.clear()
+                _gc()
+                continue
+            elif command in ["help", "h"]:
+                print(_HELP_MSG)
+                continue
+            elif command in ["history", "his"]:
+                _print_history(history)
+                continue
+            elif command in ["seed"]:
+                if len(command_words) == 1:
+                    print(f"[INFO] Current random seed: {seed}")
+                    continue
+                else:
+                    new_seed_s = command_words[1]
+                    try:
+                        new_seed = int(new_seed_s)
+                    except ValueError:
+                        print(
+                            f"[WARNING] Fail to change random seed: {new_seed_s!r} is not a valid number"
+                        )
+                    else:
+                        print(f"[INFO] Random seed changed to {new_seed}")
+                        seed = new_seed
+                    continue
+            elif command in ["conf"]:
+                if len(command_words) == 1:
+                    print(model.generation_config)
+                else:
+                    for key_value_pairs_str in command_words[1:]:
+                        eq_idx = key_value_pairs_str.find("=")
+                        if eq_idx == -1:
+                            print("[WARNING] format: <key>=<value>")
+                            continue
+                        conf_key, conf_value_str = (
+                            key_value_pairs_str[:eq_idx],
+                            key_value_pairs_str[eq_idx + 1 :],
+                        )
+                        try:
+                            conf_value = eval(conf_value_str)
+                        except Exception as e:
+                            print(e)
+                            continue
+                        else:
+                            print(
+                                f"[INFO] Change config: model.generation_config.{conf_key} = {conf_value}"
+                            )
+                            setattr(model.generation_config, conf_key, conf_value)
+                continue
+            elif command in ["reset-conf"]:
+                print("[INFO] Reset generation config")
+                model.generation_config = deepcopy(orig_gen_config)
+                print(model.generation_config)
+                continue
+
+        # Run chat.
+        set_seed(seed)
+        _clear_screen()
+        print(f"\nUser: {query}")
+        print(f"\nQwen: ", end="")
+        try:
+            partial_text = ""
+            for new_text in _chat_stream(model, tokenizer, query, history):
+                print(new_text, end="", flush=True)
+                partial_text += new_text
+            response = partial_text
+            print()
+
+        except KeyboardInterrupt:
+            print("[WARNING] Generation interrupted")
+            continue
+
+        history.append((query, response))
+
+
+if __name__ == "__main__":
+    main()
+
diff --git a/Backend/test_flant5.py b/Backend/test_flant5.py
new file mode 100644
index 0000000..bdd728d
--- /dev/null
+++ b/Backend/test_flant5.py
@@ -0,0 +1,34 @@
+import requests
+
+
+API_TOKEN = "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"
+API_URL = "https://api-inference.huggingface.co/models/google/flan-t5-large"
+
+
+headers = {
+    "Authorization": f"Bearer {API_TOKEN}",
+    "Content-Type": "application/json"
+}
+
+def query_flan_t5(prompt):
+    payload = {
+        "inputs": prompt,
+        "parameters": {
+            "max_length": 250,
+            "do_sample": True,
+            "temperature": 0.9,
+            "top_p": 0.95,
+            "top_k": 50
+        }
+    }
+    response = requests.post(API_URL, headers=headers, json=payload)
+    return response.json()
+
+
+prompt = "Ako sa máš? Daj odpoved v slovencine"
+result = query_flan_t5(prompt)
+
+if isinstance(result, list) and len(result) > 0:
+    print("Ответ от Flan-T5:", result[0]['generated_text'])
+else:
+    print("Ошибка при получении ответа:", result)
\ No newline at end of file
diff --git a/Backend/test_mt5_base.py b/Backend/test_mt5_base.py
new file mode 100644
index 0000000..5e9a9e6
--- /dev/null
+++ b/Backend/test_mt5_base.py
@@ -0,0 +1,47 @@
+# import requests
+#
+# API_TOKEN = "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"
+# API_URL = "https://api-inference.huggingface.co/models/google/mt5-base"
+#
+# headers = {
+#     "Authorization": f"Bearer {API_TOKEN}",
+#     "Content-Type": "application/json"
+# }
+#
+# def query_mT5(prompt):
+#     payload = {
+#         "inputs": prompt,
+#         "parameters": {
+#             "max_length": 100,
+#             "do_sample": True,
+#             "temperature": 0.7
+#         }
+#     }
+#     response = requests.post(API_URL, headers=headers, json=payload)
+#     return response.json()
+#
+# # Пример использования
+# result = query_mT5("Aké sú účinné lieky na horúčku?")
+# print("Ответ от mT5:", result)
+
+from transformers import AutoTokenizer, MT5ForConditionalGeneration
+
+tokenizer = AutoTokenizer.from_pretrained("google/mt5-small")
+model = MT5ForConditionalGeneration.from_pretrained("google/mt5-small")
+
+# training
+input_ids = tokenizer("The <extra_id_0> walks in <extra_id_1> park", return_tensors="pt").input_ids
+labels = tokenizer("<extra_id_0> cute dog <extra_id_1> the <extra_id_2>", return_tensors="pt").input_ids
+outputs = model(input_ids=input_ids, labels=labels)
+loss = outputs.loss
+logits = outputs.logits
+
+# inference
+
+input_ids = tokenizer(
+    "summarize: studies have shown that owning a dog is good for you", return_tensors="pt"
+).input_ids  # Batch size 1
+outputs = model.generate(input_ids, max_new_tokens=50)
+print(tokenizer.decode(outputs[0], skip_special_tokens=True))
+
+# studies have shown that owning a dog is good for you.
diff --git a/Backend/test_slovakbert-skquad.py b/Backend/test_slovakbert-skquad.py
new file mode 100644
index 0000000..ff8a0cd
--- /dev/null
+++ b/Backend/test_slovakbert-skquad.py
@@ -0,0 +1,19 @@
+from sentence_transformers import SentenceTransformer, util
+
+# Загрузка модели из Hugging Face
+model = SentenceTransformer("TUKE-DeutscheTelekom/slovakbert-skquad-mnlr")  # Замените на ID нужной модели
+
+# Пример предложений на словацком языке
+sentences = [
+    "Prvý most cez Zlatý roh nechal vybudovať cisár Justinián I. V roku 1502 vypísal sultán Bajezid II. súťaž na nový most.",
+    "V ktorom roku vznikol druhý drevený most cez záliv Zlatý roh?",
+    "Aká je priemerná dĺžka života v Eritrei?"
+]
+
+# Получение эмбеддингов для каждого предложения
+embeddings = model.encode(sentences)
+print("Shape of embeddings:", embeddings.shape)  # Вывод формы эмбеддингов, например (3, 768)
+
+# Вычисление сходства между предложениями
+similarities = util.cos_sim(embeddings, embeddings)
+print("Similarity matrix:\n", similarities)