### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### The Feature

currently this is defined as `@client def create_batch( # noqa: PLR0915 completion_window: Literal["24h"], endpoint: Literal["/v1/chat/completions", "/v1/embeddings", "/v1/completions"],...`

would appreciate if could add support for "v1/responses"

### Motivation, pitch

i want to migrate existing code from open ai sdk to litellm but stuck because of this.

### What part of LiteLLM is this about?

SDK (litellm Python package)

### LiteLLM is hiring a founding backend engineer, are you interested in joining us and shipping to all our users?

No

### Twitter / LinkedIn details

_No response_