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Skillintermediate
Replacing OpenAI ChatCompletion with Completion()
* [Supported OpenAI LLMs](https://docs.litellm.ai/docs/providers/openai) * [Supported Azure OpenAI LLMs](https://docs.litellm.ai/docs/providers/azure)
Claude Code Knowledge Pack7/10/2026
Overview
Replacing OpenAI ChatCompletion with Completion()
<a target="_blank" href="https://colab.research.google.com/github/BerriAI/litellm/blob/main/cookbook/LiteLLM_Azure_and_OpenAI_example.ipynb"> <img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/> </a>Completion() - Quick Start
from litellm import completion
# openai configs
os.environ["OPENAI_API_KEY"] = ""
# azure openai configs
os.environ["AZURE_API_KEY"] = ""
os.environ["AZURE_API_BASE"] = "https://openai-gpt-4-test-v-1.openai.azure.com/"
os.environ["AZURE_API_VERSION"] = "2023-05-15"
# openai call
response = completion(
model = "gpt-3.5-turbo",
messages = [{ "content": "Hello, how are you?","role": "user"}]
)
print("Openai Response\
")
print(response)
# azure call
response = completion(
model = "azure/<your-azure-deployment>",
messages = [{ "content": "Hello, how are you?","role": "user"}]
)
print("Azure Response\
")
print(response)
Completion() with Streaming
from litellm import completion
# openai configs
os.environ["OPENAI_API_KEY"] = ""
# azure openai configs
os.environ["AZURE_API_KEY"] = ""
os.environ["AZURE_API_BASE"] = "https://openai-gpt-4-test-v-1.openai.azure.com/"
os.environ["AZURE_API_VERSION"] = "2023-05-15"
# openai call
response = completion(
model = "gpt-3.5-turbo",
messages = [{ "content": "Hello, how are you?","role": "user"}],
stream=True
)
print("OpenAI Streaming response")
for chunk in response:
print(chunk)
# azure call
response = completion(
model = "azure/<your-azure-deployment>",
messages = [{ "content": "Hello, how are you?","role": "user"}],
stream=True
)
print("Azure Streaming response")
for chunk in response:
print(chunk)
Completion() with Streaming + Async
from litellm import acompletion
# openai configs
os.environ["OPENAI_API_KEY"] = ""
# azure openai configs
os.environ["AZURE_API_KEY"] = ""
os.environ["AZURE_API_BASE"] = "https://openai-gpt-4-test-v-1.openai.azure.com/"
os.environ["AZURE_API_VERSION"] = "2023-05-15"
# openai call
response = acompletion(
model = "gpt-3.5-turbo",
messages = [{ "content": "Hello, how are you?","role": "user"}],
stream=True
)
# azure call
response = acompletion(
model = "azure/<your-azure-deployment>",
messages = [{ "content": "Hello, how are you?","role": "user"}],
stream=True
)
Completion() multi-threaded
from litellm import completion
# Function to make a completion call
def make_completion(model, messages):
response = completion(
model=model,
messages=messages,
stream=True
)
print(f"Response for {model}: {response}")
# Set your API keys
os.environ["OPENAI_API_KEY"] = "YOUR_OPENAI_API_KEY"
os.environ["AZURE_API_KEY"] = "YOUR_AZURE_API_KEY"
# Define the messages for the completions
messages = [{"content": "Hello, how are you?", "role": "user"}]
# Create threads for making the completions
thread1 = threading.Thread(target=make_completion, args=("gpt-3.5-turbo", messages))
thread2 = threading.Thread(target=make_completion, args=("azure/your-azure-deployment", messages))
# Start both threads
thread1.start()
thread2.start()
# Wait for both threads to finish
thread1.join()
thread2.join()
print("Both completions are done.")