diff --git a/README.md b/README.md
index 12f40c6..1db57b3 100644
--- a/README.md
+++ b/README.md
@@ -8,18 +8,16 @@ A frontend for large language models like [🐨 Koala](https://bair.berkeley.edu
 
 - Python 3.10
 - The pip packages listed in `requirements.txt`
-- An AI model in the ggml format (should be quantized)
+- A Koala model in the ggml format (should be quantized)
 
-For memory and disk requirements for the different models, see [llama.cpp - Memory/Disk Requirements](https://github.com/ggerganov/llama.cpp#memorydisk-requirements)
+The 7B-Model of Koala, `q4_0`-quantized, requires approx. 5 GB of RAM.
 
 ## Supported Models
 
 - [🐨 Koala](https://bair.berkeley.edu/blog/2023/04/03/koala/)
-- [🦙 Vicuna v.0](https://lmsys.org/blog/2023-03-30-vicuna/)
-- [🦙 Vicuna v.1.1](https://lmsys.org/blog/2023-03-30-vicuna/)
-- [🦁 Manticore Chat](https://huggingface.co/openaccess-ai-collective/manticore-13b-chat-pyg)
+- [🦙 Vicuna](https://lmsys.org/blog/2023-03-30-vicuna/)
 
-(see `./profiles/`)
+see `./profiles/`
 
 ## Usage
 
@@ -44,7 +42,7 @@ python3 api-server.py [-h] -m MODEL [--host HOST] [--port PORT]
 
 The following command-line options are available:
 
-* `--profile`: Path to the profile file for the model.
+* `--profile`: Path to the profile file for the model. Defaults to `./profiles/koala.json`.
 * `--host`: Specifies the IP address or hostname to listen on. Defaults to `localhost`.
 * `--port`: Specifies the port number to listen on. Defaults to `8080`.
 * `--api`: Specifies the URL of the API server. Defaults to `http://localhost:7331`.
diff --git a/api-server.py b/api-server.py
index f9fab7d..c836a5e 100644
--- a/api-server.py
+++ b/api-server.py
@@ -4,8 +4,6 @@
 from argparse import ArgumentParser
 from os import environ
 
-from llama_cpp.server.app import create_app
-
 import uvicorn
 
 if __name__ == "__main__":
@@ -15,7 +13,10 @@ if __name__ == "__main__":
     ap.add_argument("--host", help="Address to listen on (default: localhost)", type=str, default="localhost")
     ap.add_argument("--port", help="Port to listen on (default: 7331)", type=int, default=7331)
     args = ap.parse_args()
+    # Set environment variable before importing api server
     environ["MODEL"] = args.model
+    # Import api server
+    from llama_cpp.server.app import create_app
     # Run
     app = create_app()
     uvicorn.run(app, host=args.host, port=args.port)
diff --git a/frontend-server.py b/frontend-server.py
index 383e110..e631058 100644
--- a/frontend-server.py
+++ b/frontend-server.py
@@ -9,9 +9,10 @@ import uvicorn
 from frontend.app import app
 
 if __name__ == "__main__":
+    koala_profile_path = Path(__file__).parent / "profiles" / "koala.json"
     # CLI
     ap = ArgumentParser()
-    ap.add_argument("--profile", help="Path to a profile file that includes settings for a specific model", type=Path, required=True)
+    ap.add_argument("--profile", help="Path to a profile file that includes settings for a specific model (default: ./profiles/koala.json)", type=Path, default=koala_profile_path)
     ap.add_argument("--host", help="Address to listen on (default: localhost)", type=str, default="localhost")
     ap.add_argument("--port", help="Port to listen on (default: 8080)", type=int, default=8080)
     ap.add_argument("--api", help="URL of the API Server (default: 'http://localhost:7331')", type=str, default="http://localhost:7331")
@@ -33,7 +34,6 @@ if __name__ == "__main__":
             "conversation_prefix": profile["conversation_prefix"],
             "user_keyword": profile["user_keyword"],
             "assistant_keyword": profile["assistant_keyword"],
-            "separator": profile["separator"],
             "stop_sequences": profile["stop_sequences"]
         }
     }
diff --git a/frontend/static/main.js b/frontend/static/main.js
index f579035..ebfc0ef 100644
--- a/frontend/static/main.js
+++ b/frontend/static/main.js
@@ -111,10 +111,10 @@ fetch("/config")
     function addMessage(message, role) {
         if (role == Roles.USER) {
             conversation.push(
-                frontend_config.profile.user_keyword + " "
-                + message + frontend_config.profile.separator + frontend_config.profile.assistant_keyword);
+                " " + frontend_config.profile.user_keyword + " "
+                + message + " " + frontend_config.profile.assistant_keyword);
         }
-        else { conversation.push(message + frontend_config.profile.separator); }
+        else { conversation.push(message); }
         // UI
         let messageRoleElem = document.createElement("div");
         messageRoleElem.classList.add("message-type");
@@ -181,7 +181,7 @@ fetch("/config")
             let prompt = conversation.join("");
             let settings = getSettings();
             apiCompletion(prompt, settings).then(r => {
-                addMessage(r.trim(), Roles.ASSISTANT);
+                addMessage(r, Roles.ASSISTANT);
                 enableInput();
             });
         }
diff --git a/frontend/static/style.css b/frontend/static/style.css
index 6a58b20..791f096 100644
--- a/frontend/static/style.css
+++ b/frontend/static/style.css
@@ -11,7 +11,6 @@
     --icon-button-fill: #ffffff;
     --send-icon-button-fill: #29c76d;
     --color: #fafafa;
-    --color2: #bbbbbb;
     --border-radius: .5rem;
 }
 
@@ -70,38 +69,19 @@ input[type="number"] {
 }
 
 .messages {
-    gap: 1rem;
+    gap: 1.1rem;
     margin-bottom: 1rem;
     overflow-y: scroll;
     max-height: 89vh;
-    align-items: center;
-    flex-grow: 2;
 }
 
 .message {
     display: flex;
-    flex-direction: column;
-    flex-wrap: wrap;
-    gap: 1rem;
-}
-
-.message-type {
-    color: var(--color2);
-    text-align: center;
-}
-
-.message-text {
-    white-space: pre-wrap;
-    padding: .5rem .8rem;
+    flex-direction: row;
+    gap: .5rem;
+    padding: .5rem;
     border-radius: var(--border-radius);
-}
-
-.message-bg-assistant > .message-text {
-    background: var(--background2);
-}
-
-.message-bg-user > .message-text {
-    background: var(--background3);
+    max-width: fit-content;
 }
 
 button {
@@ -134,6 +114,19 @@ button:hover {
     width: 100%;
 }
 
+.message-bg-assistant {
+    background: var(--background2);
+}
+
+.message-bg-user {
+    background: var(--background3);
+}
+
+.message-type {
+    min-width: 3.5rem;
+    padding-left: .1rem;
+}
+
 .input-container {
     margin-top: auto;
     flex-direction: row;
diff --git a/misc/screenshot.png b/misc/screenshot.png
index 0d97f75..9651407 100644
Binary files a/misc/screenshot.png and b/misc/screenshot.png differ
diff --git a/profiles/empty.json b/profiles/empty.json
deleted file mode 100644
index a52526e..0000000
--- a/profiles/empty.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "name": "None",
-    "conversation_prefix": "",
-    "user_keyword": "",
-    "assistant_keyword": "",
-    "separator": "",
-    "stop_sequences": []
-}
\ No newline at end of file
diff --git a/profiles/koala.json b/profiles/koala.json
index 056b372..78790f9 100644
--- a/profiles/koala.json
+++ b/profiles/koala.json
@@ -3,6 +3,5 @@
     "conversation_prefix": "BEGINNING OF CONVERSATION: ",
     "user_keyword": "USER:",
     "assistant_keyword": "GPT:",
-    "separator": " ",
     "stop_sequences": ["</s>"]
 }
\ No newline at end of file
diff --git a/profiles/manticore-chat.json b/profiles/manticore-chat.json
deleted file mode 100644
index ffc7450..0000000
--- a/profiles/manticore-chat.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "name": "Manticore",
-    "conversation_prefix": "",
-    "user_keyword": "USER:",
-    "assistant_keyword": "ASSISTANT:",
-    "separator": "\n",
-    "stop_sequences": ["</s>", "<unk>", "### USER:", "USER:"]
-}
\ No newline at end of file
diff --git a/profiles/vicuna-v0.json b/profiles/vicuna-v0.json
deleted file mode 100644
index 17e0844..0000000
--- a/profiles/vicuna-v0.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "name": "Vicuna v0",
-    "conversation_prefix": "A chat between a curious human and a helpful AI assistant.\n\n",
-    "user_keyword": "### Human:",
-    "assistant_keyword": "### Assistant:",
-    "separator": "\n",
-    "stop_sequences": ["### Human:"]
-}
\ No newline at end of file
diff --git a/profiles/vicuna-v1.1.json b/profiles/vicuna-v1.1.json
deleted file mode 100644
index c5b5b08..0000000
--- a/profiles/vicuna-v1.1.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-    "name": "Vicuna v1.1",
-    "conversation_prefix": "A chat between a curious user and a helpful AI assistant.\n\n",
-    "user_keyword": "USER:",
-    "assistant_keyword": "ASSISTANT:",
-    "separator": "\n",
-    "stop_sequences": ["</s>"]
-}
\ No newline at end of file
diff --git a/profiles/vicuna.json b/profiles/vicuna.json
new file mode 100644
index 0000000..2f47f50
--- /dev/null
+++ b/profiles/vicuna.json
@@ -0,0 +1,7 @@
+{
+    "name": "Vicuna",
+    "conversation_prefix": "A chat between a curious user and a helpful AI assistant. ",
+    "user_keyword": "### Human:",
+    "assistant_keyword": "### Assistant:",
+    "stop_sequences": ["### Human:"]
+}
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 977cf56..9972bd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-llama-cpp-python[server]==0.1.56
+llama-cpp-python[server]==0.1.54
 uvicorn==0.22.0
 sanic==23.3.0
\ No newline at end of file