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Change the default value of truncate_prompt_tokens in the embedding/rerank/pooling model to -1 #24235

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Change the default value of truncate_prompt_tokens in the embedding/rerank/pooling model to -1 #24235

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merge with main branch
zhaotyer Oct 14, 2025
3b0a07d
Merge branch 'main' into truncate-prompt-tokens-default-1
zhaotyer Oct 23, 2025
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8 changes: 4 additions & 4 deletions vllm/entrypoints/openai/protocol.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1528,7 +1528,7 @@ class EmbeddingCompletionRequest(OpenAIBaseModel):
encoding_format: EncodingFormat = "float"
dimensions: int | None = None
user: str | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = -1

# --8<-- [start:embedding-extra-params]
add_special_tokens: bool = Field(
Expand Down Expand Up @@ -1591,7 +1591,7 @@ class EmbeddingChatRequest(OpenAIBaseModel):
encoding_format: EncodingFormat = "float"
dimensions: int | None = None
user: str | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = -1

# --8<-- [start:chat-embedding-extra-params]
add_generation_prompt: bool = Field(
Expand Down Expand Up @@ -1758,7 +1758,7 @@ class ScoreRequest(OpenAIBaseModel):
model: str | None = None
text_1: list[str] | str | ScoreMultiModalParam
text_2: list[str] | str | ScoreMultiModalParam
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = -1

# --8<-- [start:score-extra-params]

Expand Down Expand Up @@ -1792,7 +1792,7 @@ class RerankRequest(OpenAIBaseModel):
query: str | ScoreMultiModalParam
documents: list[str] | ScoreMultiModalParam
top_n: int = Field(default_factory=lambda: 0)
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = None
truncate_prompt_tokens: Annotated[int, Field(ge=-1)] | None = -1

# --8<-- [start:rerank-extra-params]

Expand Down