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491089754d EdenAI LLM update. Add models name option (#8963 )

This PR follows the **Eden AI (LLM + embeddings) integration**. #8633 

We added an optional parameter to choose different AI models for
providers (like 'text-bison' for provider 'google', 'text-davinci-003'
for provider 'openai', etc.).

Usage:

```python
llm = EdenAI(
    feature="text",
    provider="google",
    params={
        "model": "text-bison",  # new
        "temperature": 0.2,
        "max_tokens": 250,
    },
)

```

You can also change the provider + model after initialization
```python
llm = EdenAI(
    feature="text",
    provider="google",
    params={
        "temperature": 0.2,
        "max_tokens": 250,
    },
)

prompt = """
hi 
"""

llm(prompt, providers='openai', model='text-davinci-003')  # change provider & model
```

The jupyter notebook as been updated with an example well.


Ping: @hwchase17, @baskaryan

---------

Co-authored-by: RedhaWassim <rwasssim@gmail.com>
Co-authored-by: sam <melaine.samy@gmail.com>

2023-09-01 12:11:33 -07:00

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EDEN AI

Eden AI is revolutionizing the AI landscape by uniting the best AI providers, empowering users to unlock limitless possibilities and tap into the true potential of artificial intelligence. With an all-in-one comprehensive and hassle-free platform, it allows users to deploy AI features to production lightning fast, enabling effortless access to the full breadth of AI capabilities via a single API. (website: https://edenai.co/)

This example goes over how to use LangChain to interact with Eden AI embedding models

Accessing the EDENAI's API requires an API key,

which you can get by creating an account https://app.edenai.run/user/register and heading here https://app.edenai.run/admin/account/settings

Once we have a key we'll want to set it as an environment variable by running:

In [ ]:

export EDENAI_API_KEY="..."

If you'd prefer not to set an environment variable you can pass the key in directly via the edenai_api_key named parameter

when initiating the EdenAI embedding class:

In [1]:

from langchain.embeddings.edenai import EdenAiEmbeddings

In [12]:

embeddings = EdenAiEmbeddings(edenai_api_key="...",provider="...")

Calling a model

The EdenAI API brings together various providers.

To access a specific model, you can simply use the "provider" when calling.

In [13]:

embeddings = EdenAiEmbeddings(provider="openai")

In [14]:

docs = ["It's raining right now", "cats are cute"]
document_result = embeddings.embed_documents(docs)

In [15]:

query = "my umbrella is broken"
query_result = embeddings.embed_query(query)

In [16]:

import numpy as np

query_numpy = np.array(query_result)
for doc_res, doc in zip(document_result, docs):
    document_numpy = np.array(doc_res)
    similarity = np.dot(query_numpy, document_numpy) / (
        np.linalg.norm(query_numpy) * np.linalg.norm(document_numpy)
    )
    print(f'Cosine similarity between "{doc}" and query: {similarity}')

Cosine similarity between "It's raining right now" and query: 0.849261496107252
Cosine similarity between "cats are cute" and query: 0.7525900655705218

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EDEN AI

Calling a model

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