From 03919891e4c6b7e951772b1d0035d06b4a0f47c3 Mon Sep 17 00:00:00 2001
From: Ishaan Jaffer <ishaanjaffer0324@gmail.com>
Date: Tue, 3 Feb 2026 16:33:30 -0800
Subject: [PATCH] refactor: XAI_API_BASE

---
 litellm/constants.py                         | 3 +++
 litellm/llms/xai/chat/transformation.py      | 3 +--
 litellm/llms/xai/responses/transformation.py | 3 +--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/litellm/constants.py b/litellm/constants.py
index 6427c367924..444e78f8ed4 100644
--- a/litellm/constants.py
+++ b/litellm/constants.py
@@ -99,6 +99,9 @@ DEFAULT_REASONING_EFFORT_MINIMAL_THINKING_BUDGET = int(
     os.getenv("DEFAULT_REASONING_EFFORT_MINIMAL_THINKING_BUDGET", 128)
 )
 
+# Provider-specific API base URLs
+XAI_API_BASE = "https://api.x.ai/v1"
+
 DEFAULT_REASONING_EFFORT_LOW_THINKING_BUDGET = int(
     os.getenv("DEFAULT_REASONING_EFFORT_LOW_THINKING_BUDGET", 1024)
 )
diff --git a/litellm/llms/xai/chat/transformation.py b/litellm/llms/xai/chat/transformation.py
index 245e10e45c1..21782fc6fbf 100644
--- a/litellm/llms/xai/chat/transformation.py
+++ b/litellm/llms/xai/chat/transformation.py
@@ -4,6 +4,7 @@ import httpx
 
 import litellm
 from litellm._logging import verbose_logger
+from litellm.constants import XAI_API_BASE
 from litellm.litellm_core_utils.prompt_templates.common_utils import (
     filter_value_from_dict,
     strip_name_from_messages,
@@ -14,8 +15,6 @@ from litellm.types.utils import Choices, ModelResponse, Usage, PromptTokensDetai
 
 from ...openai.chat.gpt_transformation import OpenAIGPTConfig
 
-XAI_API_BASE = "https://api.x.ai/v1"
-
 
 class XAIChatConfig(OpenAIGPTConfig):
     @property
diff --git a/litellm/llms/xai/responses/transformation.py b/litellm/llms/xai/responses/transformation.py
index 82b4771fb4d..95873aab846 100644
--- a/litellm/llms/xai/responses/transformation.py
+++ b/litellm/llms/xai/responses/transformation.py
@@ -2,6 +2,7 @@ from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
 
 import litellm
 from litellm._logging import verbose_logger
+from litellm.constants import XAI_API_BASE
 from litellm.llms.openai.responses.transformation import OpenAIResponsesAPIConfig
 from litellm.secret_managers.main import get_secret_str
 from litellm.types.llms.openai import ResponsesAPIOptionalRequestParams
@@ -16,8 +17,6 @@ if TYPE_CHECKING:
 else:
     LiteLLMLoggingObj = Any
 
-XAI_API_BASE = "https://api.x.ai/v1"
-
 
 class XAIResponsesAPIConfig(OpenAIResponsesAPIConfig):
     """