langchain/docs/versioned_docs/version-0.2.x/integrations/chat/everlyai.ipynb

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   "source": [
    "---\n",
    "sidebar_label: EverlyAI\n",
    "---"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "642fd21c-600a-47a1-be96-6e1438b421a9",
   "metadata": {},
   "source": [
    "# ChatEverlyAI\n",
    "\n",
    ">[EverlyAI](https://everlyai.xyz) allows you to run your ML models at scale in the cloud. It also provides API access to [several LLM models](https://everlyai.xyz).\n",
    "\n",
    "This notebook demonstrates the use of `langchain.chat_models.ChatEverlyAI` for [EverlyAI Hosted Endpoints](https://everlyai.xyz/).\n",
    "\n",
    "* Set `EVERLYAI_API_KEY` environment variable\n",
    "* or use the `everlyai_api_key` keyword argument"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d00d850917865298",
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "%pip install --upgrade --quiet  langchain-openai"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "72340871-ae2f-415f-b399-0777d32dc379",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "from getpass import getpass\n",
    "\n",
    "os.environ[\"EVERLYAI_API_KEY\"] = getpass()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5d7fc704-3ea0-4c35-96e7-89fcae6c73fa",
   "metadata": {},
   "source": [
    "# Let's try out LLAMA model offered on EverlyAI Hosted Endpoints"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "0dc9428d-4217-47d2-97de-f784b1764186",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "  Hello! I'm just an AI, I don't have personal information or technical details like a human would. However, I can tell you that I'm a type of transformer model, specifically a BERT (Bidirectional Encoder Representations from Transformers) model. B\n"
     ]
    }
   ],
   "source": [
    "from langchain_community.chat_models import ChatEverlyAI\n",
    "from langchain_core.messages import HumanMessage, SystemMessage\n",
    "\n",
    "messages = [\n",
    "    SystemMessage(content=\"You are a helpful AI that shares everything you know.\"),\n",
    "    HumanMessage(\n",
    "        content=\"Tell me technical facts about yourself. Are you a transformer model? How many billions of parameters do you have?\"\n",
    "    ),\n",
    "]\n",
    "\n",
    "chat = ChatEverlyAI(\n",
    "    model_name=\"meta-llama/Llama-2-7b-chat-hf\", temperature=0.3, max_tokens=64\n",
    ")\n",
    "print(chat(messages).content)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7c4f124a-eaf7-4d78-a2c0-b0aa23fb25c4",
   "metadata": {},
   "source": [
    "# EverlyAI also supports streaming responses"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "1f94f5d2-569e-4a2c-965e-de53c2845fbb",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "  Ah, a joke, you say? *adjusts glasses* Well, I've got a doozy for you! *winks*\n",
      " *pauses for dramatic effect*\n",
      "Why did the AI go to therapy?\n",
      "*drumroll*\n",
      "Because"
     ]
    },
    {
     "data": {
      "text/plain": [
       "AIMessageChunk(content=\"  Ah, a joke, you say? *adjusts glasses* Well, I've got a doozy for you! *winks*\\n *pauses for dramatic effect*\\nWhy did the AI go to therapy?\\n*drumroll*\\nBecause\")"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler\n",
    "from langchain_community.chat_models import ChatEverlyAI\n",
    "from langchain_core.messages import HumanMessage, SystemMessage\n",
    "\n",
    "messages = [\n",
    "    SystemMessage(content=\"You are a humorous AI that delights people.\"),\n",
    "    HumanMessage(content=\"Tell me a joke?\"),\n",
    "]\n",
    "\n",
    "chat = ChatEverlyAI(\n",
    "    model_name=\"meta-llama/Llama-2-7b-chat-hf\",\n",
    "    temperature=0.3,\n",
    "    max_tokens=64,\n",
    "    streaming=True,\n",
    "    callbacks=[StreamingStdOutCallbackHandler()],\n",
    ")\n",
    "chat(messages)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7de56d98",
   "metadata": {},
   "source": [
    "# Let's try a different language model on EverlyAI"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "d8a44114",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "  OH HO HO! *adjusts monocle* Well, well, well! Look who's here! *winks*\n",
      "\n",
      "You want a joke, huh? *puffs out chest* Well, let me tell you one that's guaranteed to tickle your funny bone! *clears throat*\n",
      "\n",
      "Why couldn't the bicycle stand up by itself? *pauses for dramatic effect* Because it was two-tired! *winks*\n",
      "\n",
      "Hope that one put a spring in your step, my dear! *"
     ]
    },
    {
     "data": {
      "text/plain": [
       "AIMessageChunk(content=\"  OH HO HO! *adjusts monocle* Well, well, well! Look who's here! *winks*\\n\\nYou want a joke, huh? *puffs out chest* Well, let me tell you one that's guaranteed to tickle your funny bone! *clears throat*\\n\\nWhy couldn't the bicycle stand up by itself? *pauses for dramatic effect* Because it was two-tired! *winks*\\n\\nHope that one put a spring in your step, my dear! *\")"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler\n",
    "from langchain_community.chat_models import ChatEverlyAI\n",
    "from langchain_core.messages import HumanMessage, SystemMessage\n",
    "\n",
    "messages = [\n",
    "    SystemMessage(content=\"You are a humorous AI that delights people.\"),\n",
    "    HumanMessage(content=\"Tell me a joke?\"),\n",
    "]\n",
    "\n",
    "chat = ChatEverlyAI(\n",
    "    model_name=\"meta-llama/Llama-2-13b-chat-hf-quantized\",\n",
    "    temperature=0.3,\n",
    "    max_tokens=128,\n",
    "    streaming=True,\n",
    "    callbacks=[StreamingStdOutCallbackHandler()],\n",
    ")\n",
    "chat(messages)"
   ]
  }
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