Fireworks

import getpass
import os

if "FIREWORKS_API_KEY" not in os.environ:
    os.environ["FIREWORKS_API_KEY"] = getpass.getpass("Fireworks API Key:")

pip install -qU langchain-fireworks

Note: you may need to restart the kernel to use updated packages.

from langchain_fireworks import Fireworks

# Initialize a Fireworks model
llm = Fireworks(
    model="accounts/fireworks/models/llama-v3p1-8b-instruct",
    base_url="https://api.fireworks.ai/inference/v1/completions",
)

output = llm.invoke("Who's the best quarterback in the NFL?")
print(output)

 If Manningville Station, Lions rookie EJ Manuel's

# Calling multiple prompts
output = llm.generate(
    [
        "Who's the best cricket player in 2016?",
        "Who's the best basketball player in the league?",
    ]
)
print(output.generations)

[[Generation(text=" We're not just asking, we've done some research. We'")], [Generation(text=' The conversation is dominated by Kobe Bryant, Dwyane Wade,')]]

# Setting additional parameters: temperature, max_tokens, top_p
llm = Fireworks(
    model="accounts/fireworks/models/llama-v3p1-8b-instruct",
    temperature=0.7,
    max_tokens=15,
    top_p=1.0,
)
print(llm.invoke("What's the weather like in Kansas City in December?"))

December is a cold month in Kansas City, with temperatures of

from langchain_core.prompts import PromptTemplate
from langchain_fireworks import Fireworks

llm = Fireworks(
    model="accounts/fireworks/models/llama-v3p1-8b-instruct",
    temperature=0.7,
    max_tokens=15,
    top_p=1.0,
)
prompt = PromptTemplate.from_template("Tell me a joke about {topic}?")
chain = prompt | llm

print(chain.invoke({"topic": "bears"}))

 What do you call a bear with no teeth? A gummy bear!

for token in chain.stream({"topic": "bears"}):
    print(token, end="", flush=True)

 Why do bears hate shoes so much? They like to run around in their