將 LlamaIndex 與 CometAPI 搭配使用

pip install llama-index-llms-cometapi llama-index

from llama_index.llms.cometapi import CometLLM
import os

os.environ["COMETAPI_KEY"] = "<COMETAPI_KEY>"
api_key = os.getenv("COMETAPI_KEY")

from llama_index.core.llms import ChatMessage

llm = CometLLM(
    api_key=api_key,
    max_tokens=256,
    context_window=4096,
    model="your-model-id",
)

# Chat call
messages = [
    ChatMessage(role="system", content="You are a helpful assistant"),
    ChatMessage(role="user", content="Say 'Hi' only!"),
]
resp = llm.chat(messages)
print(resp)

# Completion call
resp = llm.complete("Who is Kaiming He?")
print(resp)

# Streaming chat
message = ChatMessage(role="user", content="Tell me what ResNet is")
for chunk in llm.stream_chat([message]):
    print(chunk.delta, end="")

# Streaming completion
for chunk in llm.stream_complete("Tell me about Large Language Models"):
    print(chunk.delta, end="")