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Add priority service_tier to OpenAIModelSettings and respect it in OpenAIResponsesModel #2368

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Merged
merged 2 commits into from
Jul 30, 2025
Merged

Add priority service_tier to OpenAIModelSettings and respect it in OpenAIResponsesModel #2368

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4d4e127
Add priority as a service tier in OpenAI
akenarsari Jul 29, 2025
e695961
Add service_tier to the responses API for OpenAI
akenarsari Jul 29, 2025
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5 changes: 3 additions & 2 deletions pydantic_ai_slim/pydantic_ai/models/openai.py
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Original file line number Diff line number Diff line change
Expand Up @@ -120,10 +120,10 @@ class OpenAIModelSettings(ModelSettings, total=False):
See [OpenAI's safety best practices](https://platform.openai.com/docs/guides/safety-best-practices#end-user-ids) for more details.
"""

openai_service_tier: Literal['auto', 'default', 'flex']
openai_service_tier: Literal['auto', 'default', 'flex', 'priority']
"""The service tier to use for the model request.

Currently supported values are `auto`, `default`, and `flex`.
Currently supported values are `auto`, `default`, `flex`, and `priority`.
For more information, see [OpenAI's service tiers documentation](https://platform.openai.com/docs/api-reference/chat/object#chat/object-service_tier).
"""

Expand Down Expand Up @@ -803,6 +803,7 @@ async def _responses_create(
top_p=sampling_settings.get('top_p', NOT_GIVEN),
truncation=model_settings.get('openai_truncation', NOT_GIVEN),
timeout=model_settings.get('timeout', NOT_GIVEN),
service_tier=model_settings.get('openai_service_tier', NOT_GIVEN),
reasoning=reasoning,
user=model_settings.get('openai_user', NOT_GIVEN),
text=text or NOT_GIVEN,
Expand Down