Large Language Model (LLM) Inference API and Chatbot 🦙

Inference API for LLMs like LLaMA and Falcon powered by Lit-GPT from Lightning AI

pip install llm-inference

Install from main branch

pip install git+https://github.com/aniketmaurya/llm-inference.git@main

# You need to manually install [Lit-GPT](https://github.com/Lightning-AI/lit-gpt) and setup the model weights to use this project.
pip install lit_gpt@git+https://github.com/aniketmaurya/install-lit-gpt.git@install

For Inference

from llm_inference import LLMInference, prepare_weights

path = prepare_weights("EleutherAI/pythia-70m")
model = LLMInference(checkpoint_dir=path)

print(model("New York is located in"))

How to use the Chatbot

from llm_chain import LitGPTConversationChain, LitGPTLLM
from llm_inference import prepare_weights

path = str(prepare_weights("meta-llama/Llama-2-7b-chat-hf"))
llm = LitGPTLLM(checkpoint_dir=path, quantize="bnb.nf4")  # 7GB GPU memory
bot = LitGPTConversationChain.from_llm(llm=llm, prompt=llama2_prompt_template)

print(bot.send("hi, what is the capital of France?"))

Launch Chatbot App

1. Download weights

from llm_inference import prepare_weights
path = prepare_weights("meta-llama/Llama-2-7b-chat-hf")

2. Launch Gradio App

python examples/chatbot/gradio_demo.py

License

aniketmaurya/llm-inference

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