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OpenAI-compatible completions and chats for litellm and together

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This adds OpenAI-compatible completions and chat completions support
for the native Together provider as well as all providers implemented
with litellm.
This commit is contained in:
Ben Browning 2025-04-08 12:35:16 -04:00
parent 1dbdff1496
commit 00c4493bda
4 changed files with 259 additions and 54 deletions
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97
llama_stack/providers/remote/inference/vllm/vllm.py
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@ -59,6 +59,7 @@ from llama_stack.providers.utils.inference.openai_compat import (
convert_message_to_openai_dict,
convert_tool_call,
get_sampling_options,
prepare_openai_completion_params,
process_chat_completion_stream_response,
process_completion_response,
process_completion_stream_response,
@ -441,29 +442,25 @@ class VLLMInferenceAdapter(Inference, ModelsProtocolPrivate):
user: Optional[str] = None,
) -> OpenAICompletion:
model_obj = await self._get_model(model)
params = {
k: v
for k, v in {
"model": model_obj.provider_resource_id,
"prompt": prompt,
"best_of": best_of,
"echo": echo,
"frequency_penalty": frequency_penalty,
"logit_bias": logit_bias,
"logprobs": logprobs,
"max_tokens": max_tokens,
"n": n,
"presence_penalty": presence_penalty,
"seed": seed,
"stop": stop,
"stream": stream,
"stream_options": stream_options,
"temperature": temperature,
"top_p": top_p,
"user": user,
}.items()
if v is not None
}
params = await prepare_openai_completion_params(
model=model_obj.provider_resource_id,
prompt=prompt,
best_of=best_of,
echo=echo,
frequency_penalty=frequency_penalty,
logit_bias=logit_bias,
logprobs=logprobs,
max_tokens=max_tokens,
n=n,
presence_penalty=presence_penalty,
seed=seed,
stop=stop,
stream=stream,
stream_options=stream_options,
temperature=temperature,
top_p=top_p,
user=user,
)
return await self.client.completions.create(**params) # type: ignore
async def openai_chat_completion(
@ -493,33 +490,29 @@ class VLLMInferenceAdapter(Inference, ModelsProtocolPrivate):
user: Optional[str] = None,
) -> OpenAIChatCompletion:
model_obj = await self._get_model(model)
params = {
k: v
for k, v in {
"model": model_obj.provider_resource_id,
"messages": messages,
"frequency_penalty": frequency_penalty,
"function_call": function_call,
"functions": functions,
"logit_bias": logit_bias,
"logprobs": logprobs,
"max_completion_tokens": max_completion_tokens,
"max_tokens": max_tokens,
"n": n,
"parallel_tool_calls": parallel_tool_calls,
"presence_penalty": presence_penalty,
"response_format": response_format,
"seed": seed,
"stop": stop,
"stream": stream,
"stream_options": stream_options,
"temperature": temperature,
"tool_choice": tool_choice,
"tools": tools,
"top_logprobs": top_logprobs,
"top_p": top_p,
"user": user,
}.items()
if v is not None
}
params = await prepare_openai_completion_params(
model=model_obj.provider_resource_id,
messages=messages,
frequency_penalty=frequency_penalty,
function_call=function_call,
functions=functions,
logit_bias=logit_bias,
logprobs=logprobs,
max_completion_tokens=max_completion_tokens,
max_tokens=max_tokens,
n=n,
parallel_tool_calls=parallel_tool_calls,
presence_penalty=presence_penalty,
response_format=response_format,
seed=seed,
stop=stop,
stream=stream,
stream_options=stream_options,
temperature=temperature,
tool_choice=tool_choice,
tools=tools,
top_logprobs=top_logprobs,
top_p=top_p,
user=user,
)
return await self.client.chat.completions.create(**params) # type: ignore