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feat(core): add gpt-5.3-codex model support (#9628)

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* feat(core): add gpt-5.3-codex model support

Add OpenAI gpt-5.3-codex model: context window overrides, model pricing
and capabilities, none-reasoning-effort support, and test config.

🐾 Generated with [Letta Code](https://letta.com)

Co-Authored-By: Letta <noreply@letta.com>

* just stage-api && just publish-api

---------

Co-authored-by: Letta <noreply@letta.com>
This commit is contained in:
Kevin Lin
2026-02-24 14:56:56 -08:00
committed by Caren Thomas
parent ddfa922cde
commit 895acb9f4e
5 changed files with 43 additions and 7 deletions
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letta/llm_api/openai_client.py
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@@ -88,7 +88,7 @@ def supports_none_reasoning_effort(model: str) -> bool:
Currently, GPT-5.1 and GPT-5.2 models support the 'none' reasoning effort level.
"""
return model.startswith("gpt-5.1") or model.startswith("gpt-5.2")
return model.startswith("gpt-5.1") or model.startswith("gpt-5.2") or model.startswith("gpt-5.3")
def is_openai_5_model(model: str) -> bool: