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   "source": [
    "<h1>Chapter 1 - Introduction to Language Models</h1>\n",
    "<i>Exploring the exciting field of Language AI</i>\n",
    "\n",
    "\n",
    "<a href=\"https://www.amazon.com/Hands-Large-Language-Models-Understanding/dp/1098150961\"><img src=\"https://img.shields.io/badge/Buy%20the%20Book!-grey?logo=amazon\"></a>\n",
    "<a href=\"https://www.oreilly.com/library/view/hands-on-large-language/9781098150952/\"><img src=\"https://img.shields.io/badge/O'Reilly-white.svg?logo=data:image/svg%2bxml;base64,PHN2ZyB3aWR0aD0iMzQiIGhlaWdodD0iMjciIHZpZXdCb3g9IjAgMCAzNCAyNyIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPGNpcmNsZSBjeD0iMTMiIGN5PSIxNCIgcj0iMTEiIHN0cm9rZT0iI0Q0MDEwMSIgc3Ryb2tlLXdpZHRoPSI0Ii8+CjxjaXJjbGUgY3g9IjMwLjUiIGN5PSIzLjUiIHI9IjMuNSIgZmlsbD0iI0Q0MDEwMSIvPgo8L3N2Zz4K\"></a>\n",
    "<a href=\"https://github.com/HandsOnLLM/Hands-On-Large-Language-Models\"><img src=\"https://img.shields.io/badge/GitHub%20Repository-black?logo=github\"></a>\n",
    "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/HandsOnLLM/Hands-On-Large-Language-Models/blob/main/chapter01/Chapter%201%20-%20Introduction%20to%20Language%20Models.ipynb)\n",
    "\n",
    "---\n",
    "\n",
    "This notebook is for Chapter 1 of the [Hands-On Large Language Models](https://www.amazon.com/Hands-Large-Language-Models-Understanding/dp/1098150961) book by [Jay Alammar](https://www.linkedin.com/in/jalammar) and [Maarten Grootendorst](https://www.linkedin.com/in/mgrootendorst/).\n",
    "\n",
    "---\n",
    "\n",
    "<a href=\"https://www.amazon.com/Hands-Large-Language-Models-Understanding/dp/1098150961\">\n",
    "<img src=\"https://raw.githubusercontent.com/HandsOnLLM/Hands-On-Large-Language-Models/main/images/book_cover.png\" width=\"350\"/></a>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### [OPTIONAL] - Installing Packages on <img src=\"https://colab.google/static/images/icons/colab.png\" width=100>\n",
    "\n",
    "If you are viewing this notebook on Google Colab (or any other cloud vendor), you need to **uncomment and run** the following codeblock to install the dependencies for this chapter:"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "---\n",
    "\n",
    "💡 **NOTE**: We will want to use a GPU to run the examples in this notebook. In Google Colab, go to\n",
    "**Runtime > Change runtime type > Hardware accelerator > GPU > GPU type > T4**.\n",
    "\n",
    "---"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# %%capture\n",
    "# !pip install transformers>=4.40.1 accelerate>=0.27.2"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "hXp09JFsFBXi"
   },
   "source": [
    "# Phi-3\n",
    "\n",
    "The first step is to load our model onto the GPU for faster inference. Note that we load the model and tokenizer separately (although that isn't always necessary)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "id": "RSNalRXZyTTk"
   },
   "outputs": [],
   "source": [
    "from transformers import AutoModelForCausalLM, AutoTokenizer\n",
    "\n",
    "# Load model and tokenizer\n",
    "model = AutoModelForCausalLM.from_pretrained(\n",
    "    \"microsoft/Phi-3-mini-4k-instruct\",\n",
    "    device_map=\"cuda\",\n",
    "    torch_dtype=\"auto\",\n",
    "    trust_remote_code=True,\n",
    ")\n",
    "tokenizer = AutoTokenizer.from_pretrained(\"microsoft/Phi-3-mini-4k-instruct\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "qdyYYS0E5fEU"
   },
   "source": [
    "Although we can now use the model and tokenizer directly, it's much easier to wrap it in a `pipeline` object:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "id": "DiUi4Wu1FCyN"
   },
   "outputs": [],
   "source": [
    "from transformers import pipeline\n",
    "\n",
    "# Create a pipeline\n",
    "generator = pipeline(\n",
    "    \"text-generation\",\n",
    "    model=model,\n",
    "    tokenizer=tokenizer,\n",
    "    return_full_text=False,\n",
    "    max_new_tokens=500,\n",
    "    do_sample=False\n",
    ")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "mD49kysT5mMY"
   },
   "source": [
    "Finally, we create our prompt as a user and give it to the model:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "id": "hkR7LBmiyXmY"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      " Why did the chicken join the band? Because it had the drumsticks!\n"
     ]
    }
   ],
   "source": [
    "# The prompt (user input / query)\n",
    "messages = [\n",
    "    {\"role\": \"user\", \"content\": \"Create a funny joke about chickens.\"}\n",
    "]\n",
    "\n",
    "# Generate output\n",
    "output = generator(messages)\n",
    "print(output[0][\"generated_text\"])"
   ]
  }
 ],
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