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docs: updated PPLX model (#23723)

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Description: updated pplx docs to reference a currently [supported
model](https://docs.perplexity.ai/docs/model-cards). pplx-70b-online
->llama-3-sonar-small-32k-online

---------

Co-authored-by: Chester Curme <chester.curme@gmail.com>
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mattthomps1 2024-07-02 08:48:49 -04:00 committed by GitHub
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2 changed files with 9 additions and 6 deletions
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8
docs/docs/integrations/chat/perplexity.ipynb
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@ -45,7 +45,7 @@
"The code provided assumes that your PPLX_API_KEY is set in your environment variables. If you would like to manually specify your API key and also choose a different model, you can use the following code:\n",
"\n",
"```python\n",
"chat = ChatPerplexity(temperature=0, pplx_api_key=\"YOUR_API_KEY\", model=\"pplx-70b-online\")\n",
"chat = ChatPerplexity(temperature=0, pplx_api_key=\"YOUR_API_KEY\", model=\"llama-3-sonar-small-32k-online\")\n",
"```\n",
"\n",
"You can check a list of available models [here](https://docs.perplexity.ai/docs/model-cards). For reproducibility, we can set the API key dynamically by taking it as an input in this notebook."
@ -78,7 +78,7 @@
},
"outputs": [],
"source": [
"chat = ChatPerplexity(temperature=0, model=\"pplx-70b-online\")"
"chat = ChatPerplexity(temperature=0, model=\"llama-3-sonar-small-32k-online\")"
]
},
{
@ -146,7 +146,7 @@
}
],
"source": [
"chat = ChatPerplexity(temperature=0, model=\"pplx-70b-online\")\n",
"chat = ChatPerplexity(temperature=0, model=\"llama-3-sonar-small-32k-online\")\n",
"prompt = ChatPromptTemplate.from_messages([(\"human\", \"Tell me a joke about {topic}\")])\n",
"chain = prompt | chat\n",
"response = chain.invoke({\"topic\": \"cats\"})\n",
@ -195,7 +195,7 @@
}
],
"source": [
"chat = ChatPerplexity(temperature=0.7, model=\"pplx-70b-online\")\n",
"chat = ChatPerplexity(temperature=0.7, model=\"llama-3-sonar-small-32k-online\")\n",
"prompt = ChatPromptTemplate.from_messages(\n",
" [(\"human\", \"Give me a list of famous tourist attractions in Pakistan\")]\n",
")\n",

7
libs/community/langchain_community/chat_models/perplexity.py
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@ -54,11 +54,14 @@ class ChatPerplexity(BaseChatModel):
from langchain_community.chat_models import ChatPerplexity
chat = ChatPerplexity(model="pplx-70b-online", temperature=0.7)
chat = ChatPerplexity(
model="llama-3-sonar-small-32k-online",
temperature=0.7,
)
"""
client: Any #: :meta private:
model: str = "pplx-70b-online"
model: str = "llama-3-sonar-small-32k-online"
"""Model name."""
temperature: float = 0.7
"""What sampling temperature to use."""