langchain/docs/docs/integrations/llms/openai.ipynb

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  {
   "cell_type": "markdown",
   "id": "9597802c",
   "metadata": {},
   "source": [
    "# OpenAI\n",
    "\n",
    "[OpenAI](https://platform.openai.com/docs/introduction) offers a spectrum of models with different levels of power suitable for different tasks.\n",
    "\n",
    "This example goes over how to use LangChain to interact with `OpenAI` [models](https://platform.openai.com/docs/models)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
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   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# get a token: https://platform.openai.com/account/api-keys\n",
    "\n",
    "from getpass import getpass\n",
    "\n",
    "OPENAI_API_KEY = getpass()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "5472a7cd-af26-48ca-ae9b-5f6ae73c74d2",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "import os\n",
    "\n",
    "os.environ[\"OPENAI_API_KEY\"] = OPENAI_API_KEY"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "129a3275",
   "metadata": {},
   "source": [
    "Should you need to specify your organization ID, you can use the following cell. However, it is not required if you are only part of a single organization or intend to use your default organization. You can check your default organization [here](https://platform.openai.com/account/api-keys).\n",
    "\n",
    "To specify your organization, you can use this:\n",
    "```python\n",
    "OPENAI_ORGANIZATION = getpass()\n",
    "\n",
    "os.environ[\"OPENAI_ORGANIZATION\"] = OPENAI_ORGANIZATION\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "6fb585dd",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "from langchain.chains import LLMChain\n",
    "from langchain.prompts import PromptTemplate\n",
    "from langchain_openai import OpenAI"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "035dea0f",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "template = \"\"\"Question: {question}\n",
    "\n",
    "Answer: Let's think step by step.\"\"\"\n",
    "\n",
    "prompt = PromptTemplate.from_template(template)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "3f3458d9",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "llm = OpenAI()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4fc152cd",
   "metadata": {},
   "source": [
    "If you manually want to specify your OpenAI API key and/or organization ID, you can use the following:\n",
    "```python\n",
    "llm = OpenAI(openai_api_key=\"YOUR_API_KEY\", openai_organization=\"YOUR_ORGANIZATION_ID\")\n",
    "```\n",
    "Remove the openai_organization parameter should it not apply to you."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "a641dbd9",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "llm_chain = LLMChain(prompt=prompt, llm=llm)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "9f844993",
   "metadata": {
    "tags": []
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "' Justin Bieber was born in 1994, so the NFL team that won the Super Bowl in 1994 was the Dallas Cowboys.'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "question = \"What NFL team won the Super Bowl in the year Justin Beiber was born?\"\n",
    "\n",
    "llm_chain.run(question)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "58a9ddb1",
   "metadata": {},
   "source": [
    "If you are behind an explicit proxy, you can specify the http_client to pass through"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "55142cec",
   "metadata": {},
   "outputs": [],
   "source": [
    "pip install httpx\n",
    "\n",
    "import httpx\n",
    "\n",
    "openai = OpenAI(model_name=\"gpt-3.5-turbo-instruct\", http_client=httpx.Client(proxies=\"http://proxy.yourcompany.com:8080\"))"
   ]
  }
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