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OpenAI독점

GPT-5.3 Codex

GPT-5.3 Codex is a programming-specialized foundation model developed by OpenAI. Equipped with a very long context window of 400K, it is suitable for processing large codebases.

파라미터

Undisclosed

컨텍스트

400K

라이선스

Proprietary

출시일

2026-02-05

API 가격

이 모델의 API 가격 정보는 현재 공개되지 않았습니다

강점

  • Advanced coding capabilities
  • 400K long-context understanding
  • Optimized by OpenAI

약점

  • Non-open license
  • Undisclosed source code
  • Commercial use restrictions

활용 사례

  • Large code analysis
  • Complex program development
  • Efficient code generation

심층 분석

Release Date

February 5, 2026

Terminal-Bench

77.3%

SWE-bench

56.8%

GPQA

81%

AIME 2025

94%

Context Window

400K tokens

Pricing

$1.75 / $14.00 per 1M tokens

강점

  • Top-tier Terminal-Bench (77.3%)
  • Fast throughput (350-1500 tok/s)
  • 1/7th cost of Claude Opus 4.6

약점

  • SWE-bench Verified (56.8%) lower than GPT-5.2

경쟁사 비교

ModelArenaSWEPrice
GPT-5.41467~80%$2.50/$15
Claude Opus 4.6$15/$75

GPT-5.3 Codex is OpenAI's frontier coding agent with Terminal-Bench 77.3%.

분석 생성일: 2026-05-24