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letta-server/tests/configs/llm_model_configs/openai-gpt-5.3-codex.json
Kevin Lin 895acb9f4e feat(core): add gpt-5.3-codex model support (#9628)
* 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>
2026-03-03 18:34:01 -08:00

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{
"context_window": 32000,
"model": "gpt-5.3-codex",
"model_endpoint_type": "openai",
"model_endpoint": "https://api.openai.com/v1",
"model_wrapper": null,
"reasoning_effort": "low"
}