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Merge pull request #42353 from BerriAI/litellm_xai_max_completion_tokens

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fix(xai): accept max_completion_tokens as a supported param
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kerry-berri 2026-09-21 15:53:05 -07:00 • committed by GitHub
commit 5fb66e8d98
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1
litellm/llms/xai/chat/transformation.py
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@ -118,6 +118,7 @@ class XAIChatConfig(OpenAIGPTConfig):
base_openai_params: Final = [
"logit_bias",
"logprobs",
"max_completion_tokens",
"max_tokens",
"n",
"parallel_tool_calls",

10
tests/test_litellm/llms/xai/test_xai_chat_transformation.py
View file

@ -90,6 +90,16 @@ class TestXAIReasoningTokenFolding:
assert response.usage.total_tokens == 999
def test_max_completion_tokens_is_accepted_and_mapped_to_max_tokens() -> None:
optional_params = litellm.get_optional_params(
model="grok-4.20",
custom_llm_provider="xai",
max_completion_tokens=64,
)
assert optional_params["max_tokens"] == 64, optional_params
assert "max_completion_tokens" not in optional_params, optional_params
class TestXAIParallelToolCalls:
"""Test suite for XAI parallel tool calls functionality."""