# GPT-5.3 Codex: 제품 업데이트

GPT-5.3 Codex: 제품 업데이트. 최초 관측 2026-10-21 카탈로그에 기재된 컨텍스트 창은 400,000 토큰 토큰입니다. 근거 링크 6개.

- 유형: 발견
- 개발사: OpenAI
- 확인 수준: 확인됨
- 최초 관측: 2026-10-21T16:27:21.696Z
- 모델: [GPT-5.3 Codex](https://alexgetman.com/ko/models/openai/gpt-5-3-codex/)
- 대표 URL: https://alexgetman.com/ko/signals/2026/10/21/gpt-5-3-codex/

## 근거 링크

- [models.dev · catalogue](https://models.dev/#gpt-5-3-codex)
- [models.dev · catalogue](https://models.dev/#gpt-5.3-codex)
- [models.dev · catalogue](https://models.dev/#gpt-5.3-codex-xhigh)
- [OpenAI · deprecations](https://platform.openai.com/docs/deprecations)
- [OpenAI · pricing](https://developers.openai.com/api/docs/pricing)
- [Arena · leaderboards](https://openai.com/index/introducing-gpt-5-3-codex/)